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Huang Kong ED, Lai CW, Juan JC, Pang YL, Khe CS, Badruddin IA, Gapsari F, Anam K. Recent advances in titanium dioxide bio-derived carbon photocatalysts for organic pollutant degradation in wastewater. iScience 2025; 28:112368. [PMID: 40352735 PMCID: PMC12063124 DOI: 10.1016/j.isci.2025.112368] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/14/2025] Open
Abstract
Water pollution from organic pollutants such as dyes and pharmaceuticals poses severe threats to ecosystems and human health, demanding effective remediation strategies. Conventional water treatment methods fall short in eliminating these contaminants, prompting interest in photocatalysis, which uses light energy to degrade pollutants into harmless substances such as carbon dioxide and water. This sustainable approach offers efficient pollutant removal with recyclable photocatalysts but faces challenges such as rapid charge recombination and limited electron-hole migration. Research aims to enhance photocatalytic efficiency under UV, visible, and solar light through metal doping and binary oxide systems, particularly titanium dioxide, which improves charge carrier migration and delays recombination. Coupling titanium dioxide with bio-derived carbon shows promise in enhancing electron-hole separation and visible light absorption. This review explores advances in photocatalyst synthesis, degradation mechanisms, adsorption reactions, and economic value of bioderived photocatalysts, emphasizing the potential of photocatalysis for efficient wastewater treatment.
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Affiliation(s)
- Ethan Dern Huang Kong
- Nanotechnology and Catalysis Research Centre (NANOCAT), University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Chin Wei Lai
- Nanotechnology and Catalysis Research Centre (NANOCAT), University of Malaya, Kuala Lumpur 50603, Malaysia
- Department of Mechanical Engineering, Faculty of Engineering, Brawijaya University, MT Haryono 167, Malang 65145, Indonesia
| | - Joon Ching Juan
- Nanotechnology and Catalysis Research Centre (NANOCAT), University of Malaya, Kuala Lumpur 50603, Malaysia
| | - Yean Ling Pang
- Department of Chemical Engineering, Lee Kong Chian Faculty of Engineering and Science, Universiti Tunku Abdul Rahman, Kajang, Selangor 43000, Malaysia
| | - Cheng Seong Khe
- Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS (UTP), Seri Iskandar 32610, Malaysia
| | - Irfan Anjum Badruddin
- Mechanical Engineering Department, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia
| | - Femiana Gapsari
- Department of Mechanical Engineering, Faculty of Engineering, Brawijaya University, MT Haryono 167, Malang 65145, Indonesia
| | - Khairul Anam
- Department of Mechanical Engineering, Faculty of Engineering, Brawijaya University, MT Haryono 167, Malang 65145, Indonesia
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2
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Ye YM, Chen HW, Gu H, Qiao B, Li Z. A Flash Conversion to Aromatic Azo Compounds Expedited by Hydrazine-Trifluoroacetate Hydrogen Bonding. Org Lett 2025; 27:4450-4456. [PMID: 40244800 DOI: 10.1021/acs.orglett.5c00841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/19/2025]
Abstract
Aromatic azo compounds are very useful chemicals, but rapid and safe synthetic methods for preparing these compounds are underexplored. An extremely fast reaction was developed to prepare aromatic azo compounds from commercially available quinones and aryl hydrazinium chloride salts. The reactions could be completed within 2 min, in the presence of sodium trifluoroacetate under ambient conditions. A hydrazine-trifluoroacetate hydrogen bonding complex likely inhibited byproducts and greatly accelerated the reaction. The overall procedure is extremely simple and does not require sophisticated synthetic organic equipment and techniques.
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Affiliation(s)
- Yu-Meng Ye
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong District, Shanghai 201210, China
| | - Hong-Wen Chen
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong District, Shanghai 201210, China
| | - Huanchao Gu
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong District, Shanghai 201210, China
| | - Bo Qiao
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong District, Shanghai 201210, China
| | - Zhi Li
- School of Physical Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong District, Shanghai 201210, China
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3
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Fındık S. Decolorization of cationic dyes methyl violet 2B and malachite green via a heterogeneous Fenton-like process using a novel magnetic zeolite-xanthan gum composite. Int J Biol Macromol 2025; 307:142193. [PMID: 40101824 DOI: 10.1016/j.ijbiomac.2025.142193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2025] [Revised: 03/06/2025] [Accepted: 03/15/2025] [Indexed: 03/20/2025]
Abstract
Heterogeneous Fenton-like oxidation is an efficient method for dye decolorization, and the development of effective catalyst plays a crucial role in enhancing its performance. In this study, a novel magnetic catalyst (m-XG-Zeo) was synthesized from Fe₃O₄, xanthan gum, and zeolite for the decolorization of methyl violet 2B (MV-2B) and malachite green (MG). The catalyst was characterized using XRD, SEM, EDS, BET, FTIR, TGA, ICP-OES, and zeta potential analysis. The reaction parameters, including pH, hydrogen peroxide concentration, catalyst dosage, initial dye concentration, reaction time, temperature, and ionic strength were investigated. Kinetic studies were also performed. The results showed that MV-2B and MG decolorization efficiencies reached 83.4 % and 96.7 %, respectively, at 1 g/L m-XG-Zeo amount, 20 mg/L initial dye concentration, pH 6, 20 °C, 0.0236 M H2O2 concentration, and a reaction time of 10-min. While the catalyst demonstrated high efficiency in dye decolorization, chemical oxygen demand removal was minimal, highlighting a limitation of the process. Kinetic analysis indicated that the decolorization of MV-2B and MG followed an endothermic reaction with low activation energy. The findings suggest that m-XG-Zeo is a promising catalyst for Fenton-like oxidation, with potential applications in wastewater treatment, though further improvements are needed to enhance organic mineralization.
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Affiliation(s)
- Serap Fındık
- Hitit University, Engineering Faculty, Chemical Engineering Department, Çorum, Türkiye.
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4
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Sevim F, Laçin Ö, Demir F, Erkiliç ÖF. Adsorption Capacity, Isotherm, Kinetics, and Thermodynamics Examinations on the Removal of a Textile Azo Dye by Local Natural Adsorbent. GLOBAL CHALLENGES (HOBOKEN, NJ) 2025; 9:2500024. [PMID: 40352639 PMCID: PMC12065097 DOI: 10.1002/gch2.202500024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/13/2025] [Revised: 03/17/2025] [Indexed: 05/14/2025]
Abstract
The discharge of industrial wastewater containing toxic dyes has significantly increased, posing risks to human health and aquatic ecosystems. The growing demand for dyes in the textile industry has driven research into effective and economical removal methods. Adsorption is widely preferred due to its low cost, non-toxic by-products, and eco-friendly nature. This study investigates the removal of Reactive-Blue-160 textile azo dye using a local natural clay mineral. The effects of contact time, pH, adsorbent dosage, and temperature on adsorption are examined, along with adsorbent characterization. Optimal conditions (pH 5.70, adsorbent dosage 2.0 g L⁻¹, contact time 60 min, and dye concentration 150 mg L⁻¹) achieve 93.05% removal. Characterization reveals a heterogeneous clay surface dominated by smectite and chlorite. The adsorption data are evaluated using isotherm and kinetic models, with Freundlich and pseudo-second-order providing the best fit. Thermodynamic analysis indicates spontaneous and endothermic adsorption, with a negative Gibbs free energy and a positive enthalpy change of 15.71 kJ mol⁻¹, confirming physical adsorption. These findings highlight the potential of natural clay minerals for dye removal, offering a sustainable solution for industrial wastewater treatment.
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Affiliation(s)
- Fatih Sevim
- Engineering FacultyDepartment of Chemical EngineeringAtaturk UniversityErzurum25100Turkey
| | - Ömer Laçin
- Engineering FacultyDepartment of Chemical EngineeringAtaturk UniversityErzurum25100Turkey
| | - Fatih Demir
- Engineering FacultyDepartment of Chemical EngineeringAtaturk UniversityErzurum25100Turkey
| | - Ömer Faruk Erkiliç
- Engineering FacultyDepartment of Chemical EngineeringAtaturk UniversityErzurum25100Turkey
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5
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Ezzine M, El-Shafie AS, Youssef KM, El-Azazy M. Bifunctional TiO 2 - cellulose based nanocomposites for synergistic adsorptive-photocatalytic removal of methyl orange: Response modelling and optimization. Int J Biol Macromol 2025; 306:141753. [PMID: 40049475 DOI: 10.1016/j.ijbiomac.2025.141753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2024] [Revised: 02/19/2025] [Accepted: 03/03/2025] [Indexed: 03/22/2025]
Abstract
Removal of azo dyes from aquatic environments represents a global challenge. Herein, by utilizing the waste of mandarin peels as a cellulose source (MP500), a bifunctional adsorbent-photocatalyst, TiO2@MP500, has been prepared via a one-pot hydrothermal synthesis. Taking advantage of this dual role, remediation of methyl orange (MO) has been successfully addressed. Characterization tools corroborated the anchoring of TiO2 and the successful synthesis of TiO2@MP500. SEM/EDX/TEM analyses confirmed the formation of TiO2 nanoparticles on the carbonaceous surface. A substantial increase in the BET surface area following TiO2 impregnation was perceived (184.61 m2/g in the case of 3 %TiO2@MP500). Similarly, the thermal stability of the developed composite was notably improved as reflected by the thermogravimetric analysis. XRD analysis corroborated the existence of carbonaceous layer with anatase phase TiO2. Optimization of the adsorbent-photocatalyst performance was approached using the Box-Behnken design. Five factors were premeditated, pH of the MO solution, adsorbent dose, reaction time, the concentration of TiO2, and [MO]. A maximum sorption capacity of 104.2 mg/g was reckoned, with a pseudo-second-order isotherm. Furthermore, the 3 %TiO2@MP500 achieved a decolorization efficiency of 98.87 % in ∼30 min. The 3 %TiO2@MP500 nanocomposite was effectively revived and could be exploited for 6 cycles, bolstering a decolorization efficiency of 90.91 %.
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Affiliation(s)
- Marwa Ezzine
- Materials Science and Technology Graduate Program, Department of Physics and Materials Science, College of Arts and Sciences, Qatar University, Doha 2713, Qatar
| | - Ahmed S El-Shafie
- Department of Chemistry and Earth Sciences, College of Arts and Sciences, Qatar University, Doha 2713, Qatar
| | - Khaled M Youssef
- Materials Science and Technology Graduate Program, Department of Physics and Materials Science, College of Arts and Sciences, Qatar University, Doha 2713, Qatar
| | - Marwa El-Azazy
- Department of Chemistry and Earth Sciences, College of Arts and Sciences, Qatar University, Doha 2713, Qatar.
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6
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Saatcioglu K, Venkatraman PD. Environmental impact, economic and carbon footprint assessment of end-of-life PVC flex banners and its potential upcycling opportunities in the fashion industry. THE SCIENCE OF THE TOTAL ENVIRONMENT 2025; 974:179085. [PMID: 40147237 DOI: 10.1016/j.scitotenv.2025.179085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2024] [Revised: 03/02/2025] [Accepted: 03/07/2025] [Indexed: 03/29/2025]
Abstract
This article employs life cycle assessment (LCA) using openLCA software to compare the environmental and economic indicators of upcycled fashion accessories made from end-of-life polyvinyl chloride (PVC) flex banners with those made from conventional materials like nylon and polyester. Six bags were designed, produced from end-of-life PVC flex banners, and compared to nylon and polyester fabric bags. Data related to the manufacturing process of these bags, including material usage, transport, and production, were analysed for comparison. The LCA results revealed that upcycled bags made from end-of-life PVC flex banners are more environmentally friendly than their nylon and polyester counterparts. Out of the 16 environmental impact categories analysed in the study, U-PVC bags were shown to have a lower impact in 12 categories: 1) fossil depletion, 2) freshwater ecotoxicity, 3) freshwater eutrophication, 4) marine ecotoxicity, 5) marine eutrophication, 6) ozone depletion, 7) particulate matter formation, 8) photochemical oxidant formation, 9) terrestrial acidification, 10) terrestrial ecotoxicity, 11) urban land occupation, and 12) water depletion. Moreover, the carbon footprint of U-PVC bags was 574.89 kg CO2 eq, which is lower than the carbon footprints of C-PA bags at 612.56 kg CO2 eq and C-PES bags at 609.76 kg CO2 eq. Additionally, the average manufacturing cost of U-PVC bags was £49.86, compared to £66.80 for C-PA bags and £67.09 for C-PES bags. This indicates that U-PVC bags are not only more environmentally sustainable but also more economical compared to C-PA and C-PES bags. Our research highlights the potential to upcycle end-of-life PVC flex banners into shoulder backpack bags, demonstrating the viability of PVC upcycling to reduce environmental impact.
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Affiliation(s)
- Kenan Saatcioglu
- Manchester Fashion Institute, Faculty of Arts and Humanities, Manchester Metropolitan University, Cavendish Street, Manchester M15 6BH, UK; Canakkale Onsekiz Mart University, Faculty of Fine Arts, Textile and Fashion Design Department, Terzioglu Yerleskesi, 17020, Canakkale, Turkey.
| | - Prabhuraj D Venkatraman
- Manchester Fashion Institute, Faculty of Arts and Humanities, Manchester Metropolitan University, Cavendish Street, Manchester M15 6BH, UK
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7
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Sahoo PP, Kumar V, Pallavi P, Sahoo AA, Sen SK, Raut S. Exploration of Basidiomycetes for Anthraquinone Dyes Decolorization in Textile Wastewater. Biotechnol Appl Biochem 2025:e2763. [PMID: 40275370 DOI: 10.1002/bab.2763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2024] [Accepted: 03/31/2025] [Indexed: 04/26/2025]
Abstract
Anthraquinone (AQ) dyes are utilized extensively in the textile industry due to their ability to fasten fabrics. The intricate and rigid structures of AQ dyes, however, prevent them from biodegradation. They also create nitrate residues, which persist as effluents in textile wastewater and harm aquatic vegetation by obstructing light from entering the water, which affects both flora and fauna. The use of bioremediation technique is most popular because it is environmentally beneficial and economical. The aim of this study was to isolate white rot fungi (WRF) for their ability to decolorize AQ dyes and their mixtures. The current study shows the decolorization of mixture of AQ dyes (MAQD), namely, Acid blue 129 (AB129), Alizarin cyanin green (ACG), and Remazol brilliant blue R (RBBR) (200 ppm) under optimized parameters: pH 7, temperature 30°C, and shaking speed 80 rpm in 24 h by using suspended fungal isolates, VS12 (93.71%) and WF2 (92.76%) isolated from decaying wood. The highest manganese peroxidase (MnP) activity (2391.77 U/mL) was found in VS12 followed by WF2 (2318.28 U/mL) in 24 h. Moreover, the study revealed that MnP is one of the causes for decolorization of MAQD, as decolorization is directly proportional to MnP activity. On the basis of morphological features and a complete sequence analysis of 18S rRNA gene and internal transcribed spacer (ITS) region, the isolates were identified as Trametes cubensis WF2 and Polyporus umbellatus VS12. This is the first report of white rot fungal isolates T. cubensis WF2 and P. umbellatus VS12 used in efficient decolorization of MAQD (AB129, ACG, RBBR).
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Affiliation(s)
- Pragnya Paramita Sahoo
- Centre for Biotechnology, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Vikas Kumar
- Centre for Biotechnology, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Preeti Pallavi
- Centre for Biotechnology, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Adyasha Anapurba Sahoo
- Centre for Biotechnology, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Sudip Kumar Sen
- Coastal Aquaculture Research Institute Private Limited, Chennai, Tamil Nadu, India
| | - Sangeeta Raut
- Centre for Biotechnology, School of Pharmaceutical Sciences, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
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8
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Abbas G, Bokhari TH, Iqbal MA, Majeed A, Muneer M, Hussain G, Fatima M, Amara UE. Degradation of synthetic reactive Pyrazole-133 dye by using an advanced oxidation process assisted by gamma radiations. Radiat Phys Chem Oxf Engl 1993 2025; 229:112418. [DOI: 10.1016/j.radphyschem.2024.112418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2025]
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9
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Kundu N, Yadav S, Bhattacharya A, Aseri GK, Jain N. Constructed wetland-microbial fuel cell (CW-MFC) mediated bio-electrodegradation of azo dyes from textile wastewater. Lett Appl Microbiol 2025; 78:ovaf010. [PMID: 39863421 DOI: 10.1093/lambio/ovaf010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2024] [Revised: 01/16/2025] [Accepted: 01/24/2025] [Indexed: 01/27/2025]
Abstract
Azo dyes constitute 60%-70% of commercially used dyes and are complex, carcinogenic, and mutagenic pollutants that negatively impact soil composition, water bodies, flora, and fauna. Conventional azo dye degradation techniques have drawbacks such as high production and maintenance costs, use of hazardous chemicals, membrane clogging, and sludge generation. Constructed wetland-microbial fuel cells (CW-MFCs) offer a promising sustainable approach for the bio-electrodegradation of azo dyes from textile wastewater. CW-MFCs harness the phytodegradation capabilities of wetland plants like Azolla, water hyacinth, and Ipomoea, along with microalgae such as Nostoc, Oscillatoria, Chlorella, and Anabaena, to break down azo dyes into aromatic amines. These intermediates are then reduced to CO2 and H2O by microalgae in the fuel cells while simultaneously generating electricity. CW-MFCs offer advantages including low cost, sustainability, and use of renewable energy. The valorization of the resulting algal and plant biomass further enhances the sustainability of this approach, as it can be used for biofuel production, nutraceuticals, pharmaceuticals, and bio-composting. Implementing CW-MFCs as a tertiary treatment step in textile industries aligns with the circular economy concept and contributes to achieving several sustainable development goals.
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Affiliation(s)
- Nikita Kundu
- Amity Institute of Microbial Technology, Amity University Rajasthan, Jaipur 303002, India
| | - Smriti Yadav
- Amity Institute of Microbial Technology, Amity University Rajasthan, Jaipur 303002, India
| | - Ananya Bhattacharya
- Amity Institute of Microbial Technology, Amity University Rajasthan, Jaipur 303002, India
| | - G K Aseri
- Amity Institute of Microbial Technology, Amity University Rajasthan, Jaipur 303002, India
| | - Neelam Jain
- Amity Institute of Biotechnology, Amity University Rajasthan, Jaipur 303002, India
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10
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Ramesh N, Lai CW, Johan MRB, Mousavi SM, Badruddin IA, Kumar A, Sharma G, Gapsari F. Progress in photocatalytic degradation of industrial organic dye by utilising the silver doped titanium dioxide nanocomposite. Heliyon 2024; 10:e40998. [PMID: 39720083 PMCID: PMC11667620 DOI: 10.1016/j.heliyon.2024.e40998] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2024] [Revised: 12/03/2024] [Accepted: 12/04/2024] [Indexed: 12/26/2024] Open
Abstract
Industrial organic dyes represent a significant portion of pollutants discharged into the environment, particularly by the textile industry. These compounds pose serious threats to living organisms due to their high toxicity. Various techniques have been explored for the degradation of organic dyes, among which heterogeneous photocatalysis utilising titanium dioxide (TiO2) stands out as a promising technology. However, the practical application of TiO2 as photocatalyst has limitations for the following reasons; First, TiO2 has a low sensitivity to visible light due to a large band gap which can be 3.2 eV for the anatase polymorph. Second, the recombination rate of photo-induced electron-hole pairs in TiO2 is very fast. Recent research studies have brought to light that a silver-doped titanium dioxide nanocomposite could be one of the promising answers to these problems. This nanocomposite has garnered significant attention because of its unique features that suggest the manifestation of more effective concepts to minimize the electron-hole recombination and broaden light absorption. This causes Schottky barrier which is essentially created by integrating the silver nanoparticles into titanium dioxide. It is quite significant in decelerating the recombination of the electron-hole pairs, thus increasing photocatalytic activity. Further, it is more effective in that the use of silver also widens the titanium dioxide absorption range to the visible light hence maximizing capture and conversion of broader range of light energies for catalytic reactions. This paper therefore seeks to examine the research background regarding the industrial organic dyes starting with the history of industrial organic dyes before delving into an evaluation of the current and most current research on industrial organic dyes looking at advanced methods of their degradation with specific focus on silver-doped TiO2 for photocatalytic enhancement. This paper also reviews the experimental work concerning the actual photocatalytic degradation process and presents the factors affecting the performance of silver-doped TiO2 nanocomposites by eliminating organic dyes from wastewater. It also encompasses a general background into the various synthesis methods used in the preparation of silver-doped TiO2 nanocomposites. Additionally, challenges and future perspectives in the field are outlined, with a focus on the development of novel strategies to further improve the efficiency and sustainability of silver-doped TiO2 photocatalysts for industrial organic dye degradation. In conclusion, this review offers a significant outlook on the existing literature concerning the silver-doped TiO2 nanocomposites for effective photocatalytic degradation of the industrial organic dyes because of the rising pollution level and helping future researchers in seeking the solutions for environmental issues and developing sustainable wastewater treatment.
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Affiliation(s)
- Nirosha Ramesh
- Nanotechnology and Catalysis Research Centre (NANOCAT), Institute for Advanced Studies (IAS), University of Malaya (UM), 50603, Kuala Lumpur, Malaysia
| | - Chin Wei Lai
- Nanotechnology and Catalysis Research Centre (NANOCAT), Institute for Advanced Studies (IAS), University of Malaya (UM), 50603, Kuala Lumpur, Malaysia
- Mechanical Engineering Department, Faculty of Engineering, Brawijaya University, MT Haryono167, Malang, 65145, Indonesia
| | - Mohd Rafie Bin Johan
- Nanotechnology and Catalysis Research Centre (NANOCAT), Institute for Advanced Studies (IAS), University of Malaya (UM), 50603, Kuala Lumpur, Malaysia
| | - Seyyed Mojtaba Mousavi
- Department of Chemical Engineering, National Taiwan University of Science and Technology, Taiwan
| | - Irfan Anjum Badruddin
- Department of Allied Sciences, School of Health Sciences and Technology, UPES, Dehradun, 248 007, India
| | - Amit Kumar
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, Solan, 173229, India
| | - Gaurav Sharma
- International Research Centre of Nanotechnology for Himalayan Sustainability (IRCNHS), Shoolini University, Solan, 173229, India
| | - Femiana Gapsari
- Mechanical Engineering Department, Faculty of Engineering, Brawijaya University, MT Haryono167, Malang, 65145, Indonesia
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11
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Miyawaki A, Sakai S. Immobilization of laccases on mechanically ground silk fibroin nanofibers for enhanced stability. Int J Biol Macromol 2024; 282:136745. [PMID: 39433192 DOI: 10.1016/j.ijbiomac.2024.136745] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2024] [Revised: 10/15/2024] [Accepted: 10/18/2024] [Indexed: 10/23/2024]
Abstract
Azo dyes in textile industry effluents pose significant health and environmental risks. Laccase is an enzyme capable of degrading azo dyes, offering an environmentally friendly solution for treating textile wastewater. However, laccases need to be immobilized on specific carriers to enable effective reuse in batch reactors and continuous operation in flow-through reactors. This study employed silk fibroin nanofibers (SFNFs) obtained by mechanically grinding degummed silkworm silk as sustainable carriers to immobilize laccases through carbodiimide-mediated crosslinking. The immobilized laccases (SFNF-laccases) exhibited improved pH tolerance in the range of pH 3.0-8.0 with a smaller reduction in activity compared to free laccases (SFNF-laccases: 32.9 %, free laccases: 50.4 %). The thermal stability of immobilized laccases was also improved, showing 19, 13, and 9 % higher activities than those of free laccases at 40, 50, and 60 °C, respectively. After 8 days of storage, the activity of SFNF-laccases was 79 % of their activity immediately after immobilization, whereas free laccases retained only 29 % of their initial activity. In addition, SFNF-laccases maintained 73 % of their original operational activity in a flow-through reactor after 8 days. These results demonstrate the great potential of mechanically ground SFNFs as carriers of laccase and the resulting SFNF-laccases in industrial wastewater treatment.
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Affiliation(s)
- Ayari Miyawaki
- Division of Chemical Engineering, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan
| | - Shinji Sakai
- Division of Chemical Engineering, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama-cho, Toyonaka, Osaka 560-8531, Japan.
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12
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Barbosa PT, Dos Santos AB, da Silva MER, Firmino PIM. Color removal in acidogenic reactor followed by aerobic granular sludge reactor: Operational and microbiological aspects. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 371:123175. [PMID: 39488956 DOI: 10.1016/j.jenvman.2024.123175] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2024] [Revised: 10/08/2024] [Accepted: 10/31/2024] [Indexed: 11/05/2024]
Abstract
This work investigated the operational and microbiological aspects of the decolorization of the azo dye Reactive Black 5 in acidogenic reactors followed by aerobic granular sludge (AGS) reactors, evaluating the effect of the acidogenic hydraulic retention time (HRT) (3, 2, and 1 h), effluent recirculation in the AGS reactor (50 mL min-1), dye concentration (50 and 100 mg L-1), and the redox mediator sodium anthraquinone-2-disulfonate (AQS) (50 μM). The acidogenic reactors were mainly responsible for the dye decolorization, with AQS significantly improving its efficiency and enabling the use of a shorter HRT (2 h). The recirculation effect was not so evident, probably masked by the adaptation of the acidogenic microbiota. Increasing the dye concentration did not affect the total decolorization, but reduced nitrogen removal in the AGS reactors. Furthermore, the dye and its byproducts may have negatively affected the long-term AGS stability. While the acidogenic microbiota maintained its diversity, the AGS tended to become more specialist. However, in both, some abundant genera that may have acted in reducing the dye were found, such as Clostridium_sensu_stricto_1 and Raoutella in the acidogenic sludge and Dechloromonas and Defluviicoccus in the AGS.
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Affiliation(s)
- Plínio Tavares Barbosa
- Department of Hydraulic and Environmental Engineering, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | - André Bezerra Dos Santos
- Department of Hydraulic and Environmental Engineering, Federal University of Ceará, Fortaleza, Ceará, Brazil
| | | | - Paulo Igor Milen Firmino
- Department of Hydraulic and Environmental Engineering, Federal University of Ceará, Fortaleza, Ceará, Brazil.
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13
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Elshemy N, Mashaly H, Elhadad S. Using nano clay and graphite as low-cost, sustainable adsorbents to remove dye toxins from waste water. PIGMENT & RESIN TECHNOLOGY 2024; 53:900-910. [DOI: 10.1108/prt-02-2023-0012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2025]
Abstract
Purpose
This study aims to observe the coloring efficacy of graphite (G) and nano bentonite clay (BCNPs) on the adsorption of Basic Blue 5 dye from residual dye bath solution.
Design/methodology/approach
Some factors that affected the adsorption processes were examined and found to have significant impacts on the adsorption capacity such as the initial concentration of G and/or BCNPs (Co: 40–2,320 mg/L), adsorbent bath pH (4–9), shaking time (30–150 min.) and initial dye concentration (40–200 mg/L). The adsorption mechanism of dye by using G and/or BCNPs was studied using two different models (first-pseudo order and second-pseudo order diffusion models). The equilibrium adsorption data for the dye understudy was analyzed by using four different models (Langmuir, Freundlich, Temkin modle and Dubinin–Radushkevich) models.
Findings
It has been found that the adsorption kinetics follow rather a pseudo-first-order kinetic model with a determination coefficient (R2) of 0.99117 for G and 0.98665 for BCNPs. The results indicate that the Freundlich model provides the best correlation for G with capacities q_max = 2.33116535 mg/g and R2 = 0.99588, while the Langmuir model provides the best correlation for BCNPs with R2 = 0.99074. The adsorbent elaborated from BCNPs was found to be efficient and suitable for removing basic dyes rather than G from aqueous solutions due to its availability, good adsorption capability, as well as low-cost preparation.
Research limitations/implications
There is no research limitation for this work. Basic Blue 5 dye graphite (G) and nano bentonite clay (BCNPs) were used.
Practical implications
This work has practical applications for the textile industry. It is concluded that using graphite and nano bentonite clay can be a possible alternative to adsorb residual dye from dye bath solution and can make the process greener.
Social implications
Socially, it has a good impact on the ecosystem and global community because the residual dye does not contain any carcinogenic materials.
Originality/value
The work is original and contains value-added products for the textile industry and other confederate fields.
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14
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Khandelwal D, Rana I, Mishra V, Ranjan KR, Singh P. Unveiling the impact of dyes on aquatic ecosystems through zebrafish - A comprehensive review. ENVIRONMENTAL RESEARCH 2024; 261:119684. [PMID: 39067802 DOI: 10.1016/j.envres.2024.119684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 07/20/2024] [Accepted: 07/24/2024] [Indexed: 07/30/2024]
Abstract
Dye industry plays an essential role in industrial development, contributing significantly to economic growth and progress. However, its rapid expansion has led to significant environmental concerns, especially water pollution and ecosystem degradation due to the discharge of untreated or inadequately treated dye effluents. The effluents introduce various harmful chemicals altering water quality, depleting oxygen levels, harming aquatic organisms, and disrupting food chains. Dye contamination can also persist in the environment for extended periods, leading to long-term ecological damage and threatening biodiversity. Therefore, the complex effects of dye pollutants on aquatic ecosystems have been comprehensively studied. Recently, zebrafish (Danio rerio) has proved to be an effective biomedical model for this study due to its transparent embryos allowing real-time observation of developmental processes and genetic proximity (approx. 87%) to humans for studying diverse biological responses. This review highlights the various toxicological effects of industrial dyes, including cardiovascular toxicity, neurotoxicity, genotoxicity, hepatotoxicity, and developmental toxicity. These effects have been observed at different developmental stages and dye concentrations in zebrafish. The review underscores that the structure, stability and chemical composition of dyes significantly influence toxicological impact, emphasizing the need for detailed investigation into dye degradation to better understand and mitigate the environmental and health risks posed by dye pollutants.
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Affiliation(s)
- Drishti Khandelwal
- Amity Institute of Click Chemistry Research and Studies, Amity University Uttar Pradesh, India; Department of Chemistry, Atma Ram Sanatan Dharma College, University of Delhi, New Delhi, India
| | - Ishika Rana
- Department of Chemistry, Amity Institute of Applied Sciences, Amity University Uttar Pradesh, Noida, India
| | - Vivek Mishra
- Amity Institute of Click Chemistry Research and Studies, Amity University Uttar Pradesh, India.
| | - Kumar Rakesh Ranjan
- Department of Chemistry, Amity Institute of Applied Sciences, Amity University Uttar Pradesh, Noida, India.
| | - Prashant Singh
- Department of Chemistry, Atma Ram Sanatan Dharma College, University of Delhi, New Delhi, India.
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15
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Abdulaziz F, Alanazi A. Tailoring of magnetite nanocomposite of carboxymethyl chitosan impregnated with iron (III) oxide for enhanced degradation of reactive blue 19 dye and inactivation of harmful microbes in wastewater. Int J Biol Macromol 2024; 282:137004. [PMID: 39491694 DOI: 10.1016/j.ijbiomac.2024.137004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2024] [Revised: 10/07/2024] [Accepted: 10/26/2024] [Indexed: 11/05/2024]
Abstract
The study investigates the fabrication of an innovative nanocomposite composed of carboxymethyl chitosan (CMCs) combined with different amounts of iron (III) oxide (Fe₂O₃) to boost dye degradation and antibacterial effectiveness. A top-down ball milling technique formed the nanocomposites and was extensively investigated for their structural, morphological, and functional features. The mean particle size of the 0.3Fe₂O₃/CMCs and 0.6Fe₂O₃/CMCs nanocomposites was 83.74 nm and 124.5 nm, respectively, with small polydispersity index (PdI) values suggesting satisfactory homogeneity. The adsorption effectiveness of Reactive Blue 19 (RB 19) dye was evaluated under different circumstances, with the 0.6Fe₂O₃/CMCs nanocomposite exhibiting the maximum adsorption capacity of 140 mg/g at an ideal pH of 5. Kinetic analyses indicated that the adsorption process adhered to a pseudo-second-order kinetic model. The nanocomposites had significant bactericidal performance, with the 0.6Fe₂O₃/CMCs nanocomposite exhibiting the most extensive inhibition zones, particularly against E. coli (28.4 mm) and Pseudomonas aeruginosa (23.2 mm). Furthermore, the reusability of the 0.6Fe₂O₃/CMCs nanocomposite was validated by five adsorption-desorption cycles, retaining over 90 % efficiency. The results underscore the efficacy of Fe₂O₃/CMCs nanocomposites as viable materials for wastewater treatment and antibacterial purposes, offering a promising approach for environmental remediation.
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Affiliation(s)
- Fahad Abdulaziz
- Department of Chemistry, College of Science, University of Ha'il, Ha'il 81451, Saudi Arabia.
| | - Abdulaziz Alanazi
- Department of Chemistry, College of Science and Humanities in Al-Kharj, Prince Sattam bin Abdulaziz University, Al-Kharj 11942, Saudi Arabia.
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16
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Salahshoori I, Wang Q, Nobre MAL, Mohammadi AH, Dawi EA, Khonakdar HA. Molecular simulation-based insights into dye pollutant adsorption: A perspective review. Adv Colloid Interface Sci 2024; 333:103281. [PMID: 39214024 DOI: 10.1016/j.cis.2024.103281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 06/20/2024] [Accepted: 08/21/2024] [Indexed: 09/04/2024]
Abstract
Growing concerns about environmental pollution have highlighted the need for efficient and sustainable methods to remove dye contamination from various ecosystems. In this context, computational methods such as molecular dynamics (MD), Monte Carlo (MC) simulations, quantum mechanics (QM) calculations, and machine learning (ML) methods are powerful tools used to study and predict the adsorption processes of dyes on various adsorbents. These methods provide detailed insights into the molecular interactions and mechanisms involved, which can be crucial for designing efficient adsorption systems. MD simulations, detailing molecular arrangements, predict dyes' adsorption behaviour and interaction energies with adsorbents. They simulate the entire adsorption process, including surface diffusion, solvent layer penetration, and physisorption. QM calculations, especially density functional theory (DFT), determine molecular structures and reactivity descriptors, aiding in understanding adsorption mechanisms. They identify stable adsorption configurations and interactions like hydrogen bonding and electrostatic forces. MC simulations predict equilibrium properties and adsorption energies by sampling molecular configurations. ML methods have proven highly effective in predicting and optimizing dye adsorption processes. These models offer significant advantages over traditional methods, including higher accuracy and the ability to handle complex datasets. These methods optimize adsorption conditions, clarify adsorbent functionalization roles, and predict dye removal efficiency under various conditions. This research explores MD, MC, QM, and ML approaches to connect molecular interactions with macroscopic adsorption phenomena. Probing these techniques provides insights into the dynamics and energetics of dye pollutants on adsorption surfaces. The findings will aid in developing and optimizing new materials for dye removal. This review has significant implications for environmental remediation, offering a comprehensive understanding of adsorption at various scales. Merging microscopic data with macroscopic observations enhances knowledge of dye pollutant adsorption, laying the groundwork for efficient, sustainable removal technologies. Addressing the growing challenges of ecosystem protection, this study contributes to a cleaner, more sustainable future.
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Affiliation(s)
- Iman Salahshoori
- Department of Chemical Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran; Department of Polymer Processing, Iran Polymer and Petrochemical Institute, P.O. Box 14965-115, Tehran, Iran.
| | - Qilin Wang
- School of Civil and Environmental Engineering, University of Technology Sydney, Ultimo, 2007, Australia
| | - Marcos A L Nobre
- São Paulo State University (Unesp), School of Technology and Sciences, Presidente Prudente, SP 19060-900, Brazil
| | - Amir H Mohammadi
- Discipline of Chemical Engineering, School of Engineering, University of KwaZulu-Natal, Howard College Campus, King George V Avenue, Durban 4041, South Africa.
| | - Elmuez A Dawi
- College of Humanities and Sciences, Department of Mathematics, and Science, Ajman University, P.O. Box 346, Ajman, United Arab Emirates
| | - Hossein Ali Khonakdar
- Department of Polymer Processing, Iran Polymer and Petrochemical Institute, P.O. Box 14965-115, Tehran, Iran
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17
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Gupta S, Das A, Ganguli K, Chakraborty N, Fayezizadeh MR, Sil SK, Adak MK, Hasanuzzaman M. Salinity-responsive hyperaccumulation of flavonoids in Spirodela polyrrhiza, resultant maneuvering in the structure and antimicrobial as well as azo dye decontamination profile of biofabricated zinc oxide nanoentities. Sci Rep 2024; 14:24554. [PMID: 39427000 PMCID: PMC11490620 DOI: 10.1038/s41598-024-75232-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2024] [Accepted: 10/03/2024] [Indexed: 10/21/2024] Open
Abstract
Duckweeds (Spirodela polyrrhiza) are free-floating macrophytes that grow profusely in nutrient-rich waters. Under ideal conditions, they exhibit a rapid growth rate and can absorb a substantial amount of nutrients, macromolecules, and pollutants from bodies of water. Zinc oxide nanoparticles (ZnO NPs) synthesized from plant extracts, particularly under stress conditions, have opened new research avenues in the field of nanotechnology. Under salinity stress, the accumulation of flavonoids in duckweeds can affect the structure of ZnO NPs, helping researchers ascertain their antimicrobial role. In our study, we exposed mid-log phase duckweed monocultures to 75 mM NaCl in a full-strength Murashige and Skoog medium for 7 days, followed by a 15-day recovery period. We observed significant overexpression of superoxide and hydrogen peroxide as reactive oxygen species. As a result, chlorophyll and certain metabolites were produced in lesser amounts, while flavonoid and phenol content increased by 12% and 8%, respectively. This overproduction persisted up to 10 days into the recovery treatment period but dropped by 8% and 5%, respectively, by the 15th day. The flavonoid coating transformed the NPs into rosette clusters, which exhibited reduced antimicrobial activity against Aeromonas hydrophila, a Gram-negative, fish-pathogenic bacterium. Herein, we discuss potential mechanisms for the conformational transformation of ZnO NPs into finer dimensions in response to NaCl-induced oxidative stress in duckweed. In this study, the azo dye degradation capacity of salinity-treated plants increased as the flavonoid profile became enriched. Zinc oxide nanoparticles, both prior to and after salinity treatment, were found to be efficient in scavenging azo dye and mitigating its toxicity, as evidenced by improved germination, growth, and overall plant morphometry.
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Affiliation(s)
- Santanu Gupta
- Department of Botany, Malda College, Malda, 732101, West Bengal, India
| | - Abir Das
- Department of Botany, University of Kalyani, Kalyani, 7431235, West Bengal, India
| | - Kuhely Ganguli
- Department of Botany, Malda College, Malda, 732101, West Bengal, India
| | - Nilakshi Chakraborty
- Department of Botany, University of Kalyani, Kalyani, 7431235, West Bengal, India
| | - Mohammad Reza Fayezizadeh
- Department of Horticultural Science, Faculty of Agriculture, Shahid Chamran University of Ahvaz, Ahvaz, 61357- 43311, Iran.
| | - Sudipta Kumar Sil
- Department of Botany, University of Gour Banga, Malda, 732103, West Bengal, India.
| | - Malay Kumar Adak
- Department of Botany, University of Kalyani, Kalyani, 7431235, West Bengal, India
| | - Mirza Hasanuzzaman
- Departmentof Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka, 1207, Bangladesh.
- Kyung Hee University, 26 Kyungheedae-ro, Dongdaemun-gu, Seoul, 02447, Republic of Korea.
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18
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Jyoti Borah S, Kumar R, Prasad Singh P, Kumar V. SnO 2 Encapsulated in Alginate Matrix: Evaluation and Optimization of Bioinspired Nanoadsorbents for Azo Dye Removal. Chembiochem 2024:e202400567. [PMID: 39297213 DOI: 10.1002/cbic.202400567] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2024] [Revised: 09/05/2024] [Indexed: 11/07/2024]
Abstract
Synthesized SnO2 nanoparticles (NPs) demonstrate potential capacity to adsorb toxic azo Congo red dye. The formation of rutile phase SnO2 NPs was confirmed using Powder X-ray diffraction and spherical morphology was corroborated through SEM imaging. TEM analysis confirms average particle size of SnO2 NPs is nearly 3 nm. High azo dye removal efficiency is attributed to large surface area and presence of oxygen vacancies which were substantiated through BET and XPS analysis, respectively. To mitigate the leaching of NPs in treated water, NPs are encapsulated in sodium alginate (SA) matrix, which is proposed as an environmentally friendly, biocompatible, and economic solution. This study specifically focuses on investigating the parameters for the encapsulation of NPs within a sodium alginate matrix using CaCl2 as cross-linker. This work investigates the effect of physical shape of encapsulation, effect of SA and cross-linker (CaCl2) concentration on the feasibility of NP encapsulation and overall adsorption efficiency. Experimental results indicated that the physical form of encapsulation, such as spherical, wire-like, or irregular shape maintained consistent adsorption efficiency, which indicates its versatility. For effective encapsulation of NPs and adsorption, SA and CaCl2 concentration are suggested to be within the range of 0.2-0.3 g and >0.5 M, respectively.
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Affiliation(s)
- Shikha Jyoti Borah
- Special Centre for Nano Science, Jawaharlal Nehru University, New Delhi, 110067, India
| | - Ravinder Kumar
- Department of Chemistry, Gurukula Kangri (Deemed to be University), Haridwar, Uttarakhand, India
| | | | - Vinod Kumar
- Special Centre for Nano Science, Jawaharlal Nehru University, New Delhi, 110067, India
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19
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Szabo D, Fischer S, Mathew AP, Kruve A. Prioritization, Identification, and Quantification of Emerging Contaminants in Recycled Textiles Using Non-Targeted and Suspect Screening Workflows by LC-ESI-HRMS. Anal Chem 2024; 96:14150-14159. [PMID: 39160693 PMCID: PMC11375621 DOI: 10.1021/acs.analchem.4c02041] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/21/2024]
Abstract
Recycled textiles are becoming widely available to consumers as manufacturers adopt circular economy principles to reduce the negative impact of garment production. Still, the quality of the source material directly impacts the final product, where the presence of harmful chemicals is of utmost concern. Here, we develop a risk-based suspect and non-targeted screening workflow for the detection, identification, and prioritization of the chemicals present in consumer-based recycled textile products after manufacture and transport. We apply the workflow to characterize 13 recycled textile products from major retail outlets in Sweden. Samples were extracted and analyzed by liquid chromatography coupled with high-resolution mass spectrometry (LC-HRMS). In positive and negative ionization mode, 20,119 LC-HRMS features were detected and screened against persistent, mobile, and toxic (PMT) as well as other textile-related chemicals. Six substances were matched with PMT substances that are regulated in the European Union (EU) with a Level 2/3 confidence. Forty-three substances were confidently matched with textile-related chemicals reported for use in Sweden. For estimating the relative priority score, aquatic toxicity and concentrations were predicted for 7416 features with tandem mass spectra (MS2) and used to rank the non-targeted features. The top 10 substances were evaluated due to elevated environmental risk linked to the recycling process and potential release at end-of-life.
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Affiliation(s)
- Drew Szabo
- Department of Materials and Environmental Chemistry, Stockholm University, SE-106 91 Stockholm, Sweden
| | | | - Aji P Mathew
- Department of Materials and Environmental Chemistry, Stockholm University, SE-106 91 Stockholm, Sweden
| | - Anneli Kruve
- Department of Materials and Environmental Chemistry, Stockholm University, SE-106 91 Stockholm, Sweden
- Department of Environmental Science, Stockholm University, SE-106 91 Stockholm, Sweden
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20
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Batsukh I, Khishigjargal T, Dembereldorj U, Sambuu M, Ganbold E, Norov E. Comparative Study of Catalytic Activity of Recyclable Au/Fe 3O 4 Microparticles for Reduction Of 2,4-Dinitrophenol and Anionic, Cationic Azo Dyes. ChemistryOpen 2024; 13:e202300297. [PMID: 38624176 PMCID: PMC11633347 DOI: 10.1002/open.202300297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 03/13/2024] [Indexed: 04/17/2024] Open
Abstract
We synthesized Au/Fe3O4 microparticles. Initially, citrate-capped Fe3O4 micro-sized particles were synthesized by the co-precipitation method with an excess amount of trisodium citrate. Gold ions were reduced on the surface of citrate-capped Fe3O4 and grew as gold sub-microparticles with an average diameter of 210 nm on the surface. The characteristic SPR peak of gold nanoparticles on the surface of Fe3O4 was detected at 584 nm, whereas the absorption in the near-infrared region was increased. SEM images has proved that the synthesized Au/Fe3O4 composite microparticles has an average diameter of 1.7 micrometers. The results of XRD patterns proved the existence of both crystal phases of Fe3O4 and Au particles. To investigate the catalytic activity, the reaction rate constant of reduction of 2,4-dinitrophenol (2,4-DNP) and degradation of Congo red (CR), and methylene blue (MB) with NaBH4 in the presence of Au/Fe3O4 catalyst was monitored by UV-Vis spectroscopy. The initial reaction rate constant calculated from the change in characteristic peak absorptions of 2,4-dinitrophenol was 3.97×10-3 s-1, while the reaction rate constants for the degradation of CR and MB were 9.72×10-3 s-1 and 14.25×10-3 s-1 respectively. After 5 cycles, Au/Fe3O4 microparticles preserved 99 % of the reaction rate constant, exhibiting considerable recycling efficiency in the reduction of nitro groups.
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Affiliation(s)
- Ikhbayar Batsukh
- Department of Chemical and Biological EngineeringSchool of Engineering and Applied SciencesNational University of Mongolia
- Institute of Physics and TechnologyMongolian Academy of SciencesUlaanbaatar13330Mongolia
| | - Tegshjargal Khishigjargal
- Department of Chemical and Biological EngineeringSchool of Engineering and Applied SciencesNational University of Mongolia
| | | | - Munkhtsetseg Sambuu
- Department of PhysicsSchool of Arts and SciencesNational University of Mongolia
| | | | - Erdene Norov
- Department of Chemical and Biological EngineeringSchool of Engineering and Applied SciencesNational University of Mongolia
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21
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Okolie MC, Ollordaa GG, Ramidi GR, Yan X, Quan Y, Wang Q, Li Y. Graphitic Carbon Nitride Catalyzes the Reduction of the Azo Bond by Hydrazine under Visible Light. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:1402. [PMID: 39269063 PMCID: PMC11397076 DOI: 10.3390/nano14171402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/30/2024] [Revised: 08/23/2024] [Accepted: 08/26/2024] [Indexed: 09/15/2024]
Abstract
Graphitic carbon nitride is a semiconducting material of a graphite-like 2D layered structure. It is well known for its photocatalytic properties, which can be exploited for solar-light-driven water splitting and degradation of organic pollutants. Here, we report its capabilities of catalyzing the reduction of the azo bond by hydrazine to two amines under visible light. This photocatalytic reaction provides a novel, appealing way to reduce azo dye wastes as pollutants other than degradation. With this method, the azo dye wastes can be photochemically converted to amines, which can be used as precursors for new azo dyes.
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Affiliation(s)
- Makobi C Okolie
- Department of Chemistry, Prairie View A&M University, Prairie View, TX 77446, USA
| | - Glory G Ollordaa
- Department of Chemistry, Prairie View A&M University, Prairie View, TX 77446, USA
| | - Gopal R Ramidi
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA
| | - Xin Yan
- Department of Chemistry, Texas A&M University, College Station, TX 77843, USA
| | - Yufeng Quan
- Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Qingsheng Wang
- Department of Chemical Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Yingchun Li
- Department of Chemistry, Prairie View A&M University, Prairie View, TX 77446, USA
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22
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Hasan MI, Bag S, Halder D, Bhowmik S, Chakraborty A, Ghosh A. Simultaneous removal of malachite green and lead from water by consortium dry-biomasses of Bacillus licheniformis AG3 and Bacillus cereus M 116. Sci Rep 2024; 14:19707. [PMID: 39181952 PMCID: PMC11344758 DOI: 10.1038/s41598-024-70658-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2024] [Accepted: 08/20/2024] [Indexed: 08/27/2024] Open
Abstract
Synthetic textile dye malachite green (MG) and heavy metals present in industrial wastewater are hazardous to the ecosystem. Bioremediation of dyes and heavy metals using dry-biomasses has advantages over chemical methods. This study screened an acclimatized, heavy metal-resistant, and dye-degrading Gram positive Bacillus licheniformis AG3 strain from the textile wastewater near Kolkata, West Bengal. The EDXRF analysis of this colored wastewater effluent showed 36.33 mg/L lead, significantly higher than the WHO recommendation. Previously, Bag et al. showed bioremediation of synthetic dyes using dry-biomass of Bacillus cereus M116 from an aqueous solution (Bag et al. Arch Microbiol 203(7):3811-3823, 2021). Here, a consortium of dry-biomasses of B. licheniformis AG3 and B. cereus M116 strains (1:1 w/w ratio) was prepared for the simultaneous removal of lead and MG from wastewater. Statistical optimization determines that the pH, initial concentration of contaminants, and dry-biomass concentrations are critical for bioremediation under batch procedures. Further, optimization using the response surface methodology showed that 0.01% consortium dry-biomasses eliminated a maximum of 99.35% MG and 96.01% lead (II) within 6 h. SEM-EDS and FTIR confirmed a strong surface biosorption. Furthermore, a fixed-bed biofilter column of the consortium dry-biomasses was prepared, which was able to remove 98.1% MG and 98.5% lead at the 0.5-1 mL/min flow rate. Together, this study developed a biofilter with a consortium dry biomasses of B. licheniformis AG3 and B. cereus M116 for the simultaneous removal of MG and lead from wastewater.
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Affiliation(s)
- Md Imran Hasan
- Department of Biochemistry, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, India
| | - Surajit Bag
- Department of Food Technology and Biochemical Engineering, Jadavpur University, 188, Raja S.C. Mallick Road, Kolkata, 700032, India
- Vijaygarh Jyotish Ray College, University of Calcutta, 8, 2, Jadavpur Central Rd, Bijoygarh, Jadavpur, Kolkata, 700032, India
| | - Dipankar Halder
- Department of Food Technology and Biochemical Engineering, Jadavpur University, 188, Raja S.C. Mallick Road, Kolkata, 700032, India
| | - Sutapa Bhowmik
- Qualissure Laboratory Services, 45/361 Prantik Pally, Kolkata, 700107, India
| | - Anindita Chakraborty
- UGC-DAE Consortium for Scientific Research, Kolkata Centre, Block-LB, Plot-8, Sector-III, Bidhan Nagar, Kolkata, West Bengal, 700106, India
| | - Alok Ghosh
- Department of Biochemistry, University of Calcutta, 35 Ballygunge Circular Road, Kolkata, 700019, India.
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23
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Borham A, Haroun M, Saleh IA, Zomot N, Okla MK, Askar M, Elmasry M, Elshahat A, Liu L, Zhao C, Wang J, Qian X. A statistical optimization for almost-complete methylene blue biosorption by Gracilaria bursa-pastoris. Heliyon 2024; 10:e34972. [PMID: 39145033 PMCID: PMC11320206 DOI: 10.1016/j.heliyon.2024.e34972] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2024] [Revised: 07/18/2024] [Accepted: 07/19/2024] [Indexed: 08/16/2024] Open
Abstract
In this study, the dried biomass of four marine algae, namely Porphyra sp., Gracilaria bursa-pastoris, Undaria pinnatifida and Laminaria sp., were screened for their ability to remove methylene blue (MB) dye from aqueous solutions. Statistical approaches of the Plackett-Burman Design (PBD) and Box-Behnken Design (BBD) were applied to optimize different environmental conditions in order to achieve the maximum MB removal percentage by Gracilaria bursa-pastoris. The biosorbent was characterized before and after adsorption process using FTIR, XRD and SEM analysis. Additionally, isotherms, kinetics and thermodynamics studies were conducted to investigate the adsorption behavior of the adsorbent. The results showed that Gracilaria bursa-pastoris achieved the highest dye removal efficiency (98.5 %) compared to 96.5 %, 93.5 % and 93.9 % for Undaria pinnatifida, Porphyra sp. and Laminaria sp., respectively. PBD analysis revealed that the agitation speed, pH, and biomass dose were found to be the significant parameters affecting MB removal onto Gracilaria dried biomass. According to the BBD results, the maximum dye removal percentage (99.68 %) was obtained at agitation speed of 132 rpm, pH 7 and biomass dose of 7.5 g/L. FTIR, XRD and SEM analysis demonstrated the participation of several functional groups in the adsorption process and changes in the cell surface morphology of the adsorbent following the dye adsorption. The adsorption isotherms showed better fit to Freundlich model (R2 = 0.9891) than the Langmuir, Temkin, and Dubinin-Radushkevich models. The adsorption kinetics were best described by the pseudo-second-order model (R2 = 0.9999), suggesting the chemical interactions between dye ions and the algal biomass. The thermodynamic parameters indicated that the adsorption of MB onto Gracilaria dried biomass was spontaneous, feasible, endothermic and random. These results indicate that dried biomass of Gracilaria bursa-pastoris is an attractive, environmentally friendly, cheap and effective agent for MB dye removal from environmental discharges.
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Affiliation(s)
- Ali Borham
- Agricultural Products Safety and Environment, College of Agriculture, Yangzhou University, Yangzhou, 225127, China
- Key Laboratory of Cultivated Land Quality Monitoring and Evaluation, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou, 225127, China
- Agricultural Botany Department, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh, 33516, Egypt
| | - Mohammed Haroun
- Agricultural Products Safety and Environment, College of Agriculture, Yangzhou University, Yangzhou, 225127, China
| | | | - Naser Zomot
- Faculty of Science, Zarqa University, Zarqa, 13110, Jordan
| | - Mohammad K. Okla
- Botany and Microbiology Department, College of Science, King Saud University, P.O. Box 2455, Riyadh, 11451, Saudi Arabia
| | - Mofeed Askar
- Economic Entomology Department, Faculty of Agriculture, Damietta University, Egypt
| | - Mohamad Elmasry
- Animal Production Research Institute (APRI), Agricultural Research Centre (ARC), Egypt
| | - Abdelmonem Elshahat
- Department of Horticulture, Faculty of Agriculture, Kafrelsheikh University, Kafr El-Sheikh, 33516, Egypt
| | - Lei Liu
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Chen Zhao
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Juanjuan Wang
- Agricultural Products Safety and Environment, College of Agriculture, Yangzhou University, Yangzhou, 225127, China
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Xiaoqing Qian
- Agricultural Products Safety and Environment, College of Agriculture, Yangzhou University, Yangzhou, 225127, China
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225127, China
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24
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Belli TJ, Dalbosco V, Bassin JP, Lunelli K, Costa RED, Lapolli FR. Treatment of azo dye-containing wastewater in a combined UASB-EMBR system: Performance evaluation and membrane fouling study. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 365:121701. [PMID: 38968882 DOI: 10.1016/j.jenvman.2024.121701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 06/29/2024] [Accepted: 07/02/2024] [Indexed: 07/07/2024]
Abstract
This work investigated the treatment of azo dye-containing wastewater in an upflow anaerobic sludge blanket (UASB) reactor combined with an electro-membrane bioreactor (EMBR). Current densities of 20 A m-2 and electric current exposure mode of 6'ON/30'OFF were applied to compare the performance of the EMBR to a conventional membrane bioreactor (MBR). The results showed that dye (Drimaren Red CL-7B) removal occurred predominantly in the UASB reactor, which accounted for 57% of the total dye removal achieved by the combined system. When the MBR was assisted by electrocoagulation, the overall azo dye removal efficiency increased from 60.5 to 67.1%. Electrocoagulation batch tests revealed that higher decolorization rates could be obtained with a current density of 50 A m-2. Over the entire experimental period, the combined UASB-EMBR system exhibited excellent performance in terms of chemical oxygen demand (COD) and NH4+-N removal, with average efficiencies above 97%, while PO43--P was only consistently removed when the electrocoagulation was used. Likewise, a consistent reduction in the absorption spectrum of aromatic amines was observed when the MBR was electrochemically assisted. In addition to improving the pollutants removal, the use of electrocoagulation reduced the membrane fouling rate by 68% (0.25-0.08 kPa d-1), while requiring additional energy consumption and operational costs of 1.12 kWh m-3 and 0.32 USD m-3, respectively. Based on the results, it can be concluded that the combined UASB-EMBR system emerges as a promising technological approach for textile wastewater treatment.
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Affiliation(s)
- Tiago José Belli
- Civil Engineering Department, Santa Catarina State University, ZIP 89140-000, Ibirama, SC, Brazil.
| | - Vlade Dalbosco
- Environmental Engineering Program, PPGEA, Federal University of Santa Catarina, ZIP 88040-900 Florianópolis, SC, Brazil
| | - João Paulo Bassin
- Chemical Engineering Program, COPPE, Federal University of Rio de Janeiro, P.O. Box 68502, Rio de Janeiro, RJ, Brazil
| | - Karina Lunelli
- Civil Engineering Department, Santa Catarina State University, ZIP 89140-000, Ibirama, SC, Brazil
| | - Rayra Emanuelly da Costa
- Environmental Engineering Program, PPGEA, Federal University of Santa Catarina, ZIP 88040-900 Florianópolis, SC, Brazil
| | - Flávio Rubens Lapolli
- Environmental Engineering Program, PPGEA, Federal University of Santa Catarina, ZIP 88040-900 Florianópolis, SC, Brazil
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25
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de Oliveira IM, Docílio Pereira JV, da Silva Pereira EC, de Souza MS, Cazetta ML, da Cruz Neto CC, da Silva Santana VM, Araújo Pinto VH, Rebouças JS, da Silva Martins DC, DeFreitas-Silva G, Costa DS, da Silva VS. Degradation of Dyes Catalyzed by Aminophenyl-Substituted Mn-Porphyrin Immobilized on Chloropropyl Silica Gel and Evaluation of Phytotoxicity. ACS OMEGA 2024; 9:29516-29528. [PMID: 39005809 PMCID: PMC11238201 DOI: 10.1021/acsomega.4c02132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/04/2024] [Revised: 05/31/2024] [Accepted: 06/04/2024] [Indexed: 07/16/2024]
Abstract
A heterogenized Mn(III) porphyrin-based catalyst was prepared for dye degradation. The new Mn(III) complex of 5,15-bis(4-aminophenyl)-10,20-diphenylporphyrin was immobilized, via covalent bond, in chloropropyl silica gel, generating the material (Sil-Cl@MnP) with a loading of 23 μmol manganese porphyrin (MnP) per gram of Sil-Cl. This material was used as a catalyst in degradation reactions of model dyes, a cationic dye [methylene blue (MB)] and an anionic dye (reactive red 120, RR120), using PhI(OAc)2 and H2O2 as oxidants. The oxidation reactions were carried out after the dye reached adsorption/desorption equilibrium with the catalytic material, with a much higher percentage of adsorption being observed for the cationic MB dye (20%) than for the anionic RR120 dye (3%), which may be associated with electrostatic attraction or repulsion effects, respectively, with the negatively charged surface of the silica (zeta potential measurement for Sil-Cl@MnP, ζ = -19.2 mV). In general, there was a higher degradation percentage for MB than for RR120, probably because the size and charge of RR120 would hinder its approach to the MnP active species on the silica surface. With respect to the oxidant, the PhI(OAc)2-based systems showed a higher degradation percentage than those of H2O2. It was observed that the increase in the oxidant concentration promoted a significant increase in the degradation of MB, with a degradation of approximately 65%. The efficiency of the catalyst was also evaluated after successive additions of the oxidant every 2 h, and it can be seen that the catalyst had no loss of efficiency, with a degradation percentage greater than 80% being observed after 8 h of reaction. The phytotoxicity of the products formed in the system was evaluated in a 1:23.5:188 molar ratio Sil-Cl@MnP: MB:PhI(OAc)2 was used. In these studies, phytotoxicity was found for the germination of lettuce seeds when the original solution was used without dilution; however, when diluted (10% V/V), the results were close to the positive and negative controls. Thus, the material obtained proved to be a potential candidate for application in the degradation reactions of environmental pollutants.
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Affiliation(s)
- Igor Muniz de Oliveira
- Centro
de Formação de Professores, Universidade Federal do Recôncavo da Bahia, 45300-000. Amargosa, Bahia, Brazil
| | - João Victor Docílio Pereira
- Centro
de Ciências Exatas e Tecnológicas—Universidade
Federal do Recôncavo da Bahia, 44380-000. Cruz das Almas, Bahia, Brazil
| | - Everton Carlos da Silva Pereira
- Centro
de Ciências Exatas e Tecnológicas—Universidade
Federal do Recôncavo da Bahia, 44380-000. Cruz das Almas, Bahia, Brazil
| | - Micaelle Silva de Souza
- Centro
de Ciências Agrárias Ambientais e Biológicas—Universidade
Federal do Recôncavo da Bahia, 44380-000. Cruz das Almas, Bahia, Brazil
| | - Márcia Luciana Cazetta
- Centro
de Ciências Exatas e Tecnológicas—Universidade
Federal do Recôncavo da Bahia, 44380-000. Cruz das Almas, Bahia, Brazil
| | - Claudiano Carneiro da Cruz Neto
- Centro
de Ciências Agrárias Ambientais e Biológicas—Universidade
Federal do Recôncavo da Bahia, 44380-000. Cruz das Almas, Bahia, Brazil
| | | | - Victor Hugo Araújo Pinto
- Departamento
de Química, CCEN, Universidade Federal
da Paraíba, 58033-455 João Pessoa, Paraíba, Brazil
| | - Júlio Santos Rebouças
- Departamento
de Química, CCEN, Universidade Federal
da Paraíba, 58033-455 João Pessoa, Paraíba, Brazil
| | - Dayse Carvalho da Silva Martins
- Departamento
de Química, Instituto de Ciências
Exatas, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | - Gilson DeFreitas-Silva
- Departamento
de Química, Instituto de Ciências
Exatas, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Minas Gerais, Brazil
| | - Denilson Santos Costa
- Instituto
de Química, Universidade Federal
da Bahia, 40170-115 Salvador, Bahia, Brazil
| | - Vinicius Santos da Silva
- Centro
de Ciências Exatas e Tecnológicas—Universidade
Federal do Recôncavo da Bahia, 44380-000. Cruz das Almas, Bahia, Brazil
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26
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Li W, Tong J, Li G. Graphene oxide intercalated Alk-MXene adsorbents for efficient removal of Malachite green and Congo red from aqueous solutions. CHEMOSPHERE 2024; 360:142376. [PMID: 38777197 DOI: 10.1016/j.chemosphere.2024.142376] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 05/07/2024] [Accepted: 05/16/2024] [Indexed: 05/25/2024]
Abstract
Currently, adsorbents with high adsorption performance for eliminating pollutants from discharged wastewater have received many researchers' attention. To this aim, a novel AMXGO absorbent was fabricated by intercalating graphene oxide (GO) into alkalized MXene (Alk-MXene) layer which exhibited high efficacy for the removal of cationic Malachite Green (MG) and anionic Congo Red (CR). Analysis of FTIR, XRD, SEM and TG presented that AMXGO absorbent have a typical three-dimensional layer by layer structure and abundant oxygen-containing groups and its thermal stability was remarkably improved. BET results elucidated that AMXGO1 adsorbent has larger specific surface area and pore volume (16.686 m2 g-1, 0.04733 cm3 g-1) as compared to Alk-MXene (4.729 m2 g-1, 0.02522 cm3 g-1). A dependence of adsorption performance on mass ratio between Alk-MXene and GO, initial dye concentration, contact time, temperature and pH was revealed. Maximum adsorption capacity of MG (1111.6 mg/g) and CR (1133.7 mg/g) were particularly found for AMXGO1 absorbent with a mass ratio of 3:1 and its removal for both dyes were higher than 92%. The adsorption process of AMXGO1 adsorbent for both MG and CR complies with pseudo-second-order kinetic model and Freundlich isotherm model. In addition, adsorption mechanism was explored that synergism effects as electrostatic attraction, π-π conjugates, intercalation adsorption and pore filling were the main driving force for the high adsorption performance of dye. Therefore, AMXGO adsorbent has a potential application prospect in the purification of dye wastewater.
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Affiliation(s)
- Wansheng Li
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Materials Science and Engineering, Tiangong University, Tianjin, 300387, China
| | - Jiawei Tong
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Materials Science and Engineering, Tiangong University, Tianjin, 300387, China
| | - Guangfen Li
- State Key Laboratory of Separation Membranes and Membrane Processes, School of Materials Science and Engineering, Tiangong University, Tianjin, 300387, China.
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27
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Aouay F, Attia A, Dammak L, Ben Amar R, Deratani A. Activated Carbon Prepared from Waste Coffee Grounds: Characterization and Adsorption Properties of Dyes. MATERIALS (BASEL, SWITZERLAND) 2024; 17:3078. [PMID: 38998161 PMCID: PMC11242847 DOI: 10.3390/ma17133078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2024] [Revised: 06/12/2024] [Accepted: 06/18/2024] [Indexed: 07/14/2024]
Abstract
Spent coffee grounds (SCGs) have great potential as a useful, value-added biological material. In this context, activated carbon (AC) was prepared from SCGs by an activation process using H3PO4 at 600 °C in the air and used as an adsorbent for the azo dye AO7, a model molecule for dye colorants found in textile industry effluents. X-ray diffraction, SEM and BET revealed that the AC was predominantly amorphous, consisting of a powder of 20-100 µm particles with mesopores averaging 5.5 nm in pore size. Adsorption kinetics followed a pseudo-second-order law, while the Langmuir model best fitted the experimental isotherm data (maximum capacity of 119.5 mg AO7 per AC g). The thermodynamic parameters revealed that adsorption was endothermic and spontaneous. All the characterizations indicated that adsorption occurred by physisorption via mainly π-π interactions. The best experimental removal efficiency optimized by means of a Box-Behnken design and response surface methodology was 98% for an initial AO7 concentration of 20 mg·L-1 at pH 7.5 with a dose of 0.285 g·L-1 of AC and a contact time of 40 min. These results clearly show that activated carbon prepared from SCGs can be a useful material for efficiently removing organic matter from aqueous solutions.
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Affiliation(s)
- Feryelle Aouay
- Research Unit "Advanced Technologies for Environment and Smart Cities", Faculty of Sciences, University of Sfax, 3000 Sfax, Tunisia
- Institut Europeen des Membranes, IEM UMR-5635, CNRS, ENSCM, University Montpellier, Place Eugène Bataillon, 34095 Montpellier, France
| | - Afef Attia
- Research Unit "Advanced Technologies for Environment and Smart Cities", Faculty of Sciences, University of Sfax, 3000 Sfax, Tunisia
| | - Lasâad Dammak
- Institut de Chimie et des Matériaux Paris Est, ICMPE UMR-CNRS 7182-UPEC, Université Paris Est Creteil 2 rue Henri Dunant, 94320 Thiais, France
| | - Raja Ben Amar
- Research Unit "Advanced Technologies for Environment and Smart Cities", Faculty of Sciences, University of Sfax, 3000 Sfax, Tunisia
| | - Andre Deratani
- Institut Europeen des Membranes, IEM UMR-5635, CNRS, ENSCM, University Montpellier, Place Eugène Bataillon, 34095 Montpellier, France
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28
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Woo IS, Kim YK, Kim HI, Choi JD, Han KM. Characterization of banned colorants in cosmetics: A tandem mass-based molecular networking approach. J Chromatogr A 2024; 1724:464928. [PMID: 38663320 DOI: 10.1016/j.chroma.2024.464928] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 03/27/2024] [Accepted: 04/20/2024] [Indexed: 05/07/2024]
Abstract
Colorants have been a staple in the cosmetics industry for a considerable time, although certain varieties have been banned owing to health risks. Detecting and confirming these banned colorants simultaneously poses several challenges when employing LC-MS/MS. Molecular networking is a promising analytical technology that can be used to predict the structure of components and the correlation between them using structural and MS/MS spectral similarities. Molecular networking entails assessing the number of fragmented ions and the cosine score (the closer it is to one, the higher the similarity). In this study, we developed and verified a method for the simultaneous quantitative analysis of the 26 banned colorants in cosmetics using LC-MS/MS. Additionally, we propose a novel approach that combines LC-Q-TOF-MS and molecular networking technology to detect banned colorants in cosmetics. For successful molecular networking, a minimum of six fragment ions with cosine scores exceeding 0.5 is required. We developed a screening method for characterizing banned colorants using molecular networking based on LC-TOF-MS results for 26 banned colorants. Furthermore, we demonstrated that our established method can be used for screening by analyzing actual cosmetics (eyebrow tattoo, lipstick tattoo, and hair tint) spiked with three non-targeted banned colorants with similar structures (m/z 267.116, 315.149, and 345.157) in cosmetics. The combination of molecular networking techniques and LC-MS/MS proves highly advantageous for the swift characterization and screening of non-targeted colorants in cosmetics.
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Affiliation(s)
- In Suk Woo
- Center for Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Osong Health Technology Administration Complex, Cheongju-si, Chungcheongbuk-do, 28159, Republic of Korea
| | - You Kyung Kim
- Center for Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Osong Health Technology Administration Complex, Cheongju-si, Chungcheongbuk-do, 28159, Republic of Korea
| | - Hyung Il Kim
- Center for Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Osong Health Technology Administration Complex, Cheongju-si, Chungcheongbuk-do, 28159, Republic of Korea
| | - Jang Duck Choi
- Center for Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Osong Health Technology Administration Complex, Cheongju-si, Chungcheongbuk-do, 28159, Republic of Korea
| | - Kyoung-Moon Han
- Center for Advanced Analysis, National Institute of Food and Drug Safety Evaluation, Ministry of Food and Drug Safety, Osong Health Technology Administration Complex, Cheongju-si, Chungcheongbuk-do, 28159, Republic of Korea.
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29
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Priya PS, Pratiksha Nandhini P, Vaishnavi S, Pavithra V, Almutairi MH, Almutairi BO, Arokiyaraj S, Pachaiappan R, Arockiaraj J. Rhodamine B, an organic environmental pollutant induces reproductive toxicity in parental and teratogenicity in F1 generation in vivo. Comp Biochem Physiol C Toxicol Pharmacol 2024; 280:109898. [PMID: 38508353 DOI: 10.1016/j.cbpc.2024.109898] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2024] [Revised: 02/28/2024] [Accepted: 03/17/2024] [Indexed: 03/22/2024]
Abstract
This study investigated the reproductive toxicity of rhodamine B in zebrafish and its transgenerational effects on the F1 generation. In silico toxicity predictions revealed high toxicity of rhodamine B, mainly targeting pathways associated with the reproductive and endocrine systems. In vivo experiments on zebrafish demonstrated that rhodamine B exposure at a concentration of 1.5 mg/L led to significant impairments in fecundity parameters, particularly affecting females. Histopathological analysis revealed distinct changes in reproductive organs, further confirming the reproductive toxicity of rhodamine B, with females being more susceptible than males. Gene expression studies indicated significant suppression of genes crucial for ovulation in rhodamine B-treated female fish, highlighting hormonal imbalance as a potential mechanism of reproductive toxicity. Furthermore, bioaccumulation studies showed the presence of rhodamine B in both adult fish gonads and F1 generation samples, suggesting transgenerational transfer of the dye. Embryotoxicity studies on F1 generation larvae demonstrated reduced survival rates, lower hatching rates, and increased malformations in groups exposed to rhodamine B. Moreover, rhodamine B induced oxidative stress in F1 generation larvae, as evidenced by elevated levels of reactive oxygen species and altered antioxidant enzyme activity. Neurotoxicity assessments revealed reduced acetylcholinesterase activity, indicating potential neurological impairments in F1 generation larvae. Additionally, locomotory defects and skeletal abnormalities were observed in F1 generation larvae exposed to rhodamine B. This study provides comprehensive evidence of the reproductive toxicity of rhodamine B in adult zebrafish and its transgenerational effects on the F1 generation.
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Affiliation(s)
- P Snega Priya
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulatur 603203, Chengalpattu District, Tamil Nadu, India
| | - P Pratiksha Nandhini
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulatur 603203, Chengalpattu District, Tamil Nadu, India
| | - S Vaishnavi
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulatur 603203, Chengalpattu District, Tamil Nadu, India
| | - V Pavithra
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulatur 603203, Chengalpattu District, Tamil Nadu, India
| | - Mikhlid H Almutairi
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Bader O Almutairi
- Department of Zoology, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Selvaraj Arokiyaraj
- Department of Food Science & Biotechnology, Sejong University, Seoul 05006, Republic of Korea
| | - Raman Pachaiappan
- Department of Biotechnology, School of Bioengineering, Faculty of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur 603203, Chengalpattu District, Tamil Nadu, India
| | - Jesu Arockiaraj
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Kattankulatur 603203, Chengalpattu District, Tamil Nadu, India.
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30
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Zeng G, Dai M, Liu P, Chen T, Hu L, Luo H, Zhou Q, Du M, Pan X. Phthalocyanine blue leaching and exposure effects on Microcystis aeruginosa (cyanobacteria) of photoaged microplastics. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133984. [PMID: 38460263 DOI: 10.1016/j.jhazmat.2024.133984] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/05/2023] [Revised: 03/04/2024] [Accepted: 03/06/2024] [Indexed: 03/11/2024]
Abstract
Light-stabilizing additives may contribute to the overall pollution load of microplastics (MPs) and potentially enter the food chain, severely threatening aquatic life and human health. This study investigated the variation between polystyrene (PS) MPs and phthalocyanine blue (CuPC)-containing MPs before and after photoaging, as well as their effects on Microcystis aeruginosa. The presence of PS-MPs increased cell mortality, antioxidant enzyme activity, and the variation in extracellular components, while the presence of CuPC exacerbated these variations. CuPC-containing MPs caused different increasing trends in superoxide dismutase and malondialdehyde activities due to electron transfer across the membrane. Transcriptomic analysis revealed that the MPs and CuPC affected various cellular processes, with the greatest impact being on cell membranes. Compared with MPs, CuPC negatively affected ribosome and polysaccharide formation. These findings provide insights into the molecular mechanisms underlying the cellular response to MPs and their associated light-stabilizer pollution and imply the necessity for mitigating the pollution of both MPs and light-stabilizers.
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Affiliation(s)
- Ganning Zeng
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China; Key Laboratory of Ocean Space Resource Management Technology, MNR, Hangzhou 310012, China
| | - Mengzheng Dai
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Peirui Liu
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Tiansheng Chen
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Lingling Hu
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Hongwei Luo
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Qian Zhou
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China
| | - Mingming Du
- College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310014, China
| | - Xiangliang Pan
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, China.
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31
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Kuppadakkath G, Jayabhavan SS, Damodaran KK. Supramolecular Gels Based on C3-Symmetric Amides: Application in Anion-Sensing and Removal of Dyes from Water. Molecules 2024; 29:2149. [PMID: 38731640 PMCID: PMC11085098 DOI: 10.3390/molecules29092149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2024] [Revised: 04/26/2024] [Accepted: 05/03/2024] [Indexed: 05/13/2024] Open
Abstract
We modified C3-symmetric benzene-1,3,5-tris-amide (BTA) by introducing flexible linkers in order to generate an N-centered BTA (N-BTA) molecule. The N-BTA compound formed gels in alcohols and aqueous mixtures of high-polar solvents. Rheological studies showed that the DMSO/water (1:1, v/v) gels were mechanically stronger compared to other gels, and a similar trend was observed for thermal stability. Powder X-ray analysis of the xerogel obtained from various aqueous gels revealed that the packing modes of the gelators in these systems were similar. The stimuli-responsive properties of the N-BTA towards sodium/potassium salts indicated that the gel network collapsed in the presence of more nucleophilic anions such as cyanide, fluoride, and chloride salts at the MGC, but the gel network was intact when in contact with nitrate, sulphate, acetate, bromide, and iodide salts, indicating the anion-responsive properties of N-BTA gels. Anion-induced gel formation was observed for less nucleophilic anions below the MGC of N-BTA. The ability of N-BTA gels to act as an adsorbent for hazardous anionic and cationic dyes in water was evaluated. The results indicated that the ethanolic gels of N-BTA successfully absorbed methylene blue and methyl orange dyes from water. This work demonstrates the potential of the N-BTA gelator to act as a stimuli-responsive material and a promising candidate for water purification.
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Affiliation(s)
| | | | - Krishna K. Damodaran
- Department of Chemistry, Science Institute, University of Iceland, Dunhagi 3, 107 Reykjavík, Iceland
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32
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Şahin HG, Temel M, Koçak G, Mardani A, Kara A. Effect of nano-TiO 2 size and utilization ratio on the performance of photocatalytic concretes; self-cleaning, fresh, and hardened state properties. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:37109-37124. [PMID: 38760607 PMCID: PMC11182830 DOI: 10.1007/s11356-024-33660-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Accepted: 05/08/2024] [Indexed: 05/19/2024]
Abstract
In this study, photocatalysis technology was used to reduce water pollution. Decolorization of Reactive Black 5 using nano-TiO2 (NT) as a photocatalyst was investigated by adsorption and degradation experiments. Effects of NT particle size and utilization ratio on the time-dependent flow performance, compressive-flexural strength, and Bohme abrasion resistance of cementitious systems were investigated. In addition to the NT-free control mixture, a total of six photocatalytic self-cleaning mortar mixtures (PSCM) were prepared using NT in two different particle sizes (28 and 38 nm) and three different ratios (0.5%, 1%, and 1.5%). The PSCM sample containing 38 nm NT exhibited superior performance in terms of photocatalytic properties compared to the 28 nm state. It was observed that the flow performance of PSCM mixtures with NT substitution is adversely affected regardless of the NT type. Mixtures containing NT with a lower particle size (28 nm) had higher compressive and flexural strengths.
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Affiliation(s)
| | - Müge Temel
- Department of Civil Engineering, Bursa Uludag University, Bursa, Turkey
| | - Gözde Koçak
- Department of Chemistry, Bursa Uludag University, Bursa, Turkey
| | - Ali Mardani
- Department of Civil Engineering, Bursa Uludag University, Bursa, Turkey.
| | - Ali Kara
- Department of Chemistry, Bursa Uludag University, Bursa, Turkey
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33
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Hama Aziz KH, Fatah NM, Muhammad KT. Advancements in application of modified biochar as a green and low-cost adsorbent for wastewater remediation from organic dyes. ROYAL SOCIETY OPEN SCIENCE 2024; 11:232033. [PMID: 39076783 PMCID: PMC11285854 DOI: 10.1098/rsos.232033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2024] [Accepted: 04/10/2024] [Indexed: 07/31/2024]
Abstract
Synthetic organic dyes, which are resistant to biodegradation, pose a notable health risk, potentially leading to cancer and respiratory infections. Researchers have addressed this concern by exploring physicochemical methods to remove organic dyes from wastewater. A particularly promising solution involves modified biochar adsorbents, which demonstrate high efficiency in organic dye removal. Biochar, a charcoal-like material derived from biomass pyrolysis, offers advantages such as low cost, eco-friendliness, high efficiency and reusability. Beyond its role in sustainable soil remediation, biochar proves effective in removing organic dyes from wastewater after undergoing physical or chemical modification. Acid-base activation or metal-heteroatom impregnation enhances biochar's adsorption capacity. This comprehensive review examines the attributes of biochar, common methods for production and modification, and the impacts of raw materials, pyrolysis temperature, heating rate and residence time. It further elucidates the biochar adsorption mechanism in the removal of organic dyes, assessing factors influencing efficiency, including biochar feedstock, solution pH, adsorption temperature, particle size, initial dye concentration, biochar dosage and reaction time. It explores challenges, opportunities, reusability and regeneration methods of biochar in treating organic dye wastewater. It also discusses recent advances in organic dye removal using adsorption-based biochar. The review ultimately advocates for enhancing biochar's adsorption performance through post-modification.
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Affiliation(s)
- Kosar Hikmat Hama Aziz
- Department of Chemistry, College of Science, University of Sulaimani, Qlyasan Street, Sulaymaniyah City, Kurdistan Region 46001, Iraq
- Medical Laboratory Analysis Department, College of Health Sciences, Cihan University-Sulaimaniya, Sulaymaniyah, Kurdistan Region 46001, Iraq
| | - Nazhad Majeed Fatah
- Department of Environmental Science, College of Environmental Sciences, University of Sulaimani, Sulaymaniyah-Chwarta 46001, Iraq
| | - Khalid Taib Muhammad
- Department of Natural Resources, College of Agricultural Engineering Sciences, University of Sulaimani, Sulaymaniyah 46001, Iraq
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Ramamurthy K, Priya PS, Murugan R, Arockiaraj J. Hues of risk: investigating genotoxicity and environmental impacts of azo textile dyes. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:33190-33211. [PMID: 38676865 DOI: 10.1007/s11356-024-33444-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 04/19/2024] [Indexed: 04/29/2024]
Abstract
The textile industry, with its extensive use of dyes and chemicals, stands out as a significant source of water pollution. Exposure to certain textile dyes, such as azo dyes and their breakdown products like aromatic amines, has been associated with health concerns like skin sensitization, allergic reactions, and even cancer in humans. Annually, the worldwide production of synthetic dyes approximates 7 × 107 tons, of which the textile industry accounts for over 10,000 tons. Inefficient dyeing procedures result in the discharge of 15-50% of azo dyes, which do not adequately bind to fibers, into wastewater. This review delves into the genotoxic impact of azo dyes, prevalent in the textile industry, on aquatic ecosystems and human health. Examining different families of textile dye which contain azo group in their structure such as Sudan I and Sudan III Sudan IV, Basic Red 51, Basic Violet 14, Disperse Yellow 7, Congo Red, Acid Red 26, and Acid Blue 113 reveals their carcinogenic potential, which may affect both industrial workers and aquatic life. Genotoxic and carcinogenic characteristics, chromosomal abnormalities, induced physiological and neurobehavioral changes, and disruptions to spermatogenesis are evident, underscoring the harmful effects of these dyes. The review calls for comprehensive investigations into the toxic profile of azo dyes, providing essential insights to safeguard the aquatic ecosystem and human well-being. The importance of effective effluent treatment systems is underscored to mitigate adverse impacts on agricultural lands, water resources, and the environment, particularly in regions heavily reliant on wastewater irrigation for food production.
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Affiliation(s)
- Karthikeyan Ramamurthy
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulatur, 603203, Tamil Nadu, India
| | - Peter Snega Priya
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulatur, 603203, Tamil Nadu, India
| | - Raghul Murugan
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulatur, 603203, Tamil Nadu, India
| | - Jesu Arockiaraj
- Toxicology and Pharmacology Laboratory, Department of Biotechnology, Faculty of Science and Humanities, SRM Institute of Science and Technology, Chengalpattu District, Kattankulatur, 603203, Tamil Nadu, India.
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Show S, Akhter R, Paul I, Das P, Bal M, Bhattacharya R, Bose D, Mondal A, Saha S, Halder G. Efficacy of exopolysaccharide in dye-laden wastewater treatment: A comprehensive review. CHEMOSPHERE 2024; 355:141753. [PMID: 38531498 DOI: 10.1016/j.chemosphere.2024.141753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 03/12/2024] [Accepted: 03/16/2024] [Indexed: 03/28/2024]
Abstract
The discharge of dye-laden wastewater into the water streams causes severe water and soil pollution, which poses a global threat to aquatic ecosystems and humans. A diverse array of microorganisms such as bacteria, fungi, and algae produce exopolysaccharides (EPS) of different compositions and exhibit great bioflocculation potency to sustainably eradicate dyes from water bodies. Nanomodified chemical composites of EPS enable their recyclability during dye-laden wastewater treatment. Nevertheless, the selection of potent EPS-producing strains and physiological parameters of microbial growth and the remediation process could influence the removal efficiency of EPS. This review will intrinsically discuss the fundamental importance of EPS from diverse microbial origins and their nanomodified chemical composites, the mechanisms in EPS-mediated bioremediation of dyes, and the parametric influences on EPS-mediated dye removal through sorption/bioflocculation. This review will pave the way for designing and adopting futuristic green and sustainable EPS-based bioremediation strategies for dye-laden wastewater in situ and ex situ.
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Affiliation(s)
- Sumona Show
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, 713209, West Bengal, India
| | - Ramisa Akhter
- Department of Biotechnology, National Institute of Technology Durgapur, Durgapur, 713209, West Bengal, India
| | - Indrani Paul
- Department of Biotechnology, Brainware University, Barasat, Kolkata, 700125, West Bengal, India
| | - Payal Das
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, 713209, West Bengal, India
| | - Manisha Bal
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, 713209, West Bengal, India
| | - Riya Bhattacharya
- School of Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, Himachal Pradesh, India
| | - Debajyoti Bose
- School of Biotechnology, Shoolini University of Biotechnology and Management Sciences, Solan, 173229, Himachal Pradesh, India
| | - Amita Mondal
- Department of Chemistry, Vedanta College, Kolkata, 700054, West Bengal, India
| | - Shouvik Saha
- Department of Biotechnology, Brainware University, Barasat, Kolkata, 700125, West Bengal, India.
| | - Gopinath Halder
- Department of Chemical Engineering, National Institute of Technology Durgapur, Durgapur, 713209, West Bengal, India.
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Hajareh Haghighi F, Binaymotlagh R, Pintilei PS, Chronopoulou L, Palocci C. Preparation of Peptide-Based Magnetogels for Removing Organic Dyes from Water. Gels 2024; 10:287. [PMID: 38786204 PMCID: PMC11120949 DOI: 10.3390/gels10050287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Revised: 04/18/2024] [Accepted: 04/22/2024] [Indexed: 05/25/2024] Open
Abstract
Water pollution by organic dyes represents a major health and environmental issue. Despite the fact that peptide-based hydrogels are considered to be optimal absorbents for removing such contaminants, hydrogel systems often suffer from a lack of mechanical stability and complex recovery. Recently, we developed an enzymatic approach for the preparation of a new peptide-based magnetogel containing polyacrylic acid-modified γ-Fe2O3 nanoparticles (γ-Fe2O3NPs) that showed the promising ability to remove cationic metal ions from aqueous phases. In the present work, we tested the ability of the magnetogel formulation to remove three model organic dyes: methyl orange, methylene blue, and rhodamine 6G. Three different hydrogel-based systems were studied, including: (1) Fmoc-Phe3 hydrogel; (2) γ-Fe2O3NPs dispersed in the peptide-based gel (Fe2O3NPs@gel); and (3) Fe2O3NPs@gel with the application of a magnetic field. The removal efficiencies of such adsorbents were evaluated using two different experimental set-ups, by placing the hydrogel sample inside cuvettes or, alternatively, by placing them inside syringes. The obtained peptide magnetogel formulation could represent a valuable and environmentally friendly alternative to currently employed adsorbents.
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Affiliation(s)
- Farid Hajareh Haghighi
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Roya Binaymotlagh
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Paula Stefana Pintilei
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Laura Chronopoulou
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
- Research Center for Applied Sciences to the Safeguard of Environment and Cultural Heritage (CIABC), Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Cleofe Palocci
- Department of Chemistry, Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
- Research Center for Applied Sciences to the Safeguard of Environment and Cultural Heritage (CIABC), Sapienza University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
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Xu Y, Wang Q, Wang Y, Hu F, Sun B, Gao T, Zhou G. One-Step Synthesis of Polyethyleneimine-Grafted Styrene-Maleic Anhydride Copolymer Adsorbents for Effective Adsorption of Anionic Dyes. Molecules 2024; 29:1887. [PMID: 38675707 PMCID: PMC11054579 DOI: 10.3390/molecules29081887] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2024] [Revised: 04/13/2024] [Accepted: 04/18/2024] [Indexed: 04/28/2024] Open
Abstract
Wastewater containing organic dyes has become one of the important challenges in water treatment due to its high salt content and resistance to natural degradation. In this work, a novelty adsorbent, PEI-SMA, was prepared by grafting polyethyleneimine (PEI) onto styrene-maleic anhydride copolymer (SMA) through an amidation reaction. The various factors, such as pH, adsorbent dosage, contact time, dye concentration, and temperature, which may affect the adsorption of PEI-SMA for Reactive Black 5 (RB5), were systematically investigated by static adsorption experiments. The adsorption process of PEI-SMA for RB5 was more consistent with the Langmuir isotherm model and the pseudo-second-order model, suggesting a single-layer chemisorption. PEI-SMA exhibits excellent adsorption performance for RB5 dye, with a maximum adsorption capacity of 1749.19 mg g-1 at pH = 2. Additionally, PEI-SMA exhibited highly efficient RB5 competitive adsorption against coexisting Cl- and SO42- ions and cationic dyes. The adsorption mechanism was explored, and it can be explained as the synergistic effect of electrostatic interaction, hydrogen bonding and π-π interaction. This study demonstrates that PEI-SMA could act as a high performance and promising candidate for the effective adsorption of anionic dyes from aqueous solutions.
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Affiliation(s)
- Yao Xu
- Key Laboratory of Fine Chemicals in Universities of Shandong, Jinan Engineering Laboratory for Multi-Scale Functional Materials, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (Y.X.); (Q.W.); (B.S.); (G.Z.)
| | - Qinwen Wang
- Key Laboratory of Fine Chemicals in Universities of Shandong, Jinan Engineering Laboratory for Multi-Scale Functional Materials, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (Y.X.); (Q.W.); (B.S.); (G.Z.)
| | - Yuanbo Wang
- Shandong Land and Space Ecological Restoration Center, Jinan 250014, China;
| | - Falu Hu
- Key Laboratory of Fine Chemicals in Universities of Shandong, Jinan Engineering Laboratory for Multi-Scale Functional Materials, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (Y.X.); (Q.W.); (B.S.); (G.Z.)
| | - Bin Sun
- Key Laboratory of Fine Chemicals in Universities of Shandong, Jinan Engineering Laboratory for Multi-Scale Functional Materials, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (Y.X.); (Q.W.); (B.S.); (G.Z.)
- Shandong Laboratory of Advanced Materials and Green Manufacturing at Yantai, Yantai 264006, China
| | - Tingting Gao
- Key Laboratory of Fine Chemicals in Universities of Shandong, Jinan Engineering Laboratory for Multi-Scale Functional Materials, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (Y.X.); (Q.W.); (B.S.); (G.Z.)
- Shandong Laboratory of Advanced Materials and Green Manufacturing at Yantai, Yantai 264006, China
| | - Guowei Zhou
- Key Laboratory of Fine Chemicals in Universities of Shandong, Jinan Engineering Laboratory for Multi-Scale Functional Materials, School of Chemistry and Chemical Engineering, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250353, China; (Y.X.); (Q.W.); (B.S.); (G.Z.)
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de Oliveira CSF, Tavaria FK. Therapeutic textiles: A promising approach for human skin dysbiosis? Exp Dermatol 2024; 33:e15081. [PMID: 38628046 DOI: 10.1111/exd.15081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 03/12/2024] [Accepted: 04/07/2024] [Indexed: 04/19/2024]
Abstract
The close interaction between skin and clothing has become an attractive cornerstone for the development of therapeutic textiles able to alleviate skin disorders, namely those correlated to microbiota dysregulation. Skin microbiota imbalance is known in several skin diseases, including atopic dermatitis (AD), psoriasis, seborrheic dermatitis, rosacea, acne and hidradenitis suppurative (HS). Such microbiota dysregulation is usually correlated with inflammation, discomfort and pruritus. Although conventional treatments, that is, the administration of steroids and antibiotics, have shown some efficacy in treating and alleviating these symptoms, there are still disadvantages that need to be overcome. These include their long-term usage with side effects negatively impacting resident microbiota members, antibiotic resistance and the elevated rate of recurrence. Remarkably, therapeutic textiles as a non-pharmacological measure have emerged as a promising strategy to treat, alleviate the symptoms and control the severity of many skin diseases. This systematic review showcases for the first time the effects of therapeutic textiles on patients with skin dysbiosis, focusing on efficacy, safety, adverse effects and antimicrobial, antioxidant and anti-inflammatory properties. The main inclusion criteria were clinical trials performed in patients with skin dysbiosis who received treatment involving the use of therapeutic textiles. Although there are promising outcomes regarding clinical parameters, safety and adverse effects, there is still a lack of information about the impact of therapeutic textiles on the skin microbiota of such patients. Intensive investigation and corroboration with clinical trials are needed to strengthen, define and drive the real benefit and the ideal biomedical application of therapeutic textiles.
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Affiliation(s)
- Cláudia Suellen Ferro de Oliveira
- CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Porto, Portugal
| | - Freni Kekhasharú Tavaria
- CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Universidade Católica Portuguesa, Porto, Portugal
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Anandhi G, Iyapparaja M. Photocatalytic degradation of drugs and dyes using a maching learning approach. RSC Adv 2024; 14:9003-9019. [PMID: 38500628 PMCID: PMC10945304 DOI: 10.1039/d4ra00711e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2024] [Accepted: 03/02/2024] [Indexed: 03/20/2024] Open
Abstract
The waste management industry uses an increasing number of mathematical prediction models to accurately forecast the behavior of organic pollutants during catalytic degradation. With the increasing quantity of waste generated, these models are critical for reinforcing the efficiency of wastewater treatment strategies. The application of machine-learning techniques in recent years has notably improved predictive models for waste management, which are essential for mitigating the impact of toxic commercial waste on global water supply. Organic contaminants, dyes, pesticides, surfactants, petroleum by-products, and prescription drugs pose risks to human health. Because traditional techniques face challenges in ensuring water quality, modern strategies are vital. Machine learning has emerged as a valuable tool for predicting the photocatalytic degradation of medicinal drugs and dyes, providing a promising avenue for addressing urgent demands in removing organic pollutants from wastewater. This research investigates the synergistic application of photocatalysis and machine learning for pollutant degradation, showcasing a sustainable solution with promising effects on environmental remediation and computational efficiency. This study contributes to green chemistry by providing a clever framework for addressing present-day water pollution challenges and achieving era-driven answers.
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Affiliation(s)
- Ganesan Anandhi
- Department of Smart Computing, School of Computer Science Engineering and Information Systems, Vellore Institute of Technology Vellore 632014 Tamil Nadu India
| | - M Iyapparaja
- Department of Smart Computing, School of Computer Science Engineering and Information Systems, Vellore Institute of Technology Vellore 632014 Tamil Nadu India
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40
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Zhang F, Na H, Carrier J, Chang CY, Radu D, Lai CY. Lignin-Based Nanospheres as Environmental Remediation Platforms for Anionic Dye Contaminants. ACS OMEGA 2024; 9:12006-12014. [PMID: 38497020 PMCID: PMC10938449 DOI: 10.1021/acsomega.3c09834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2023] [Revised: 02/20/2024] [Accepted: 02/21/2024] [Indexed: 03/19/2024]
Abstract
Modern manufacturing of textiles, pharmaceuticals, food, cosmetics, plastics, paper, etc. involves the utilization of anionic and cationic dyes that lead to significant water contamination. Recent research has explored the use of nanomaterials toward developing nanoadsorbents for water decontamination caused by industrial pollution. Here, we report on a novel platform for anionic dye remediation, consisting of a polyethylenimine-functionalized lignin nanosphere (PEI-LNS). The designed nanomaterial shows significant ability to adsorb an anionic dye selected as a proof-of-concept-Sulforhodamine B, from aqueous solutions. The PEI lignin nanoadsorbents (PEI-LNS) showed a better ability to adsorb Sulforhodamine B sodium salt (SBSS) when compared to the raw lignin nanosphere adsorbent (LNS), especially in acidic conditions. The nanomaterial was characterized through transmission electron microscopy, scanning electron microscopy, Brunauer-Emmett-Teller surface area analysis, elemental analysis, zeta potential, thermogravimetric analysis, Fourier transform infrared spectroscopy, and nuclear magnetic resonance. The impacts of ionic strength, contact time, pH, and adsorbent concentration have been evaluated. The ability of PEI-LNS to adsorb SBSS was found to be consistent with Langmuir isotherms and pseudo-second-order kinetic models. The PEI-LNS could be recycled three times, reaching a good (85%) adsorbing capacity even in the third cycle. The study demonstrates that PEI-LNS has a strong affinity as a novel adsorbent for anionic dyes and could be employed in environmental cleanups pertaining to such contaminations.
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Affiliation(s)
- Fei Zhang
- Department
of Mechanical and Materials Engineering, Florida International University, Miami, Florida 33174, United States
| | - Ha Na
- Department
of Mechanical and Materials Engineering, Florida International University, Miami, Florida 33174, United States
| | - Jake Carrier
- Department
of Chemistry and Biochemistry, Florida International
University, Miami, Florida 33174, United States
| | - Chen-Yu Chang
- Department
of Mechanical and Materials Engineering, Florida International University, Miami, Florida 33174, United States
| | - Daniela Radu
- Department
of Mechanical and Materials Engineering, Florida International University, Miami, Florida 33174, United States
| | - Cheng-Yu Lai
- Department
of Mechanical and Materials Engineering, Florida International University, Miami, Florida 33174, United States
- Department
of Chemistry and Biochemistry, Florida International
University, Miami, Florida 33174, United States
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Saravanan A, Yaashikaa PR, Ramesh B, Shaji A, Deivayanai VC. Microorganism-mediated bioremediation of dyes from contaminated soil: Mechanisms, recent advances, and future perspectives. Food Chem Toxicol 2024; 185:114491. [PMID: 38325634 DOI: 10.1016/j.fct.2024.114491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2023] [Revised: 01/25/2024] [Accepted: 01/26/2024] [Indexed: 02/09/2024]
Abstract
Many methods have been proposed for the remediation of dye-contaminated soils, a widespread form of environment pollution. Bioremediation, it is hoped, can combine ecological benefits with efficiency of dye decontamination. We review the types and sources of dye contaminants; their possible effects on plant, animal, and human health; and emerging strategies for microbial bioremediation. Challenges, limitations, recommendations for future research, and prospects for large-scale commercialization of microbial bioremediation are discussed.
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Affiliation(s)
- A Saravanan
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India.
| | - P R Yaashikaa
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - B Ramesh
- Department of Sustainable Engineering, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - Alan Shaji
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
| | - V C Deivayanai
- Department of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602105, India
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Şimşek İ, Bahadir T, Çelebi H, Tulun Ş. Selective adsorption of single and binary dyestuffs by citrus peel: Characterization, and adsorption performance. CHEMOSPHERE 2024; 352:141475. [PMID: 38367873 DOI: 10.1016/j.chemosphere.2024.141475] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2023] [Revised: 02/05/2024] [Accepted: 02/14/2024] [Indexed: 02/19/2024]
Abstract
The powdered citrus peel, which has been replaced with sodium hydroxide, was used in this study to test how well methylene blue and reactive black 5 dyestuff absorbed one or both. To find out about the texture and surface chemistry of modified citrus peel, Fourier transform infrared spectroscopy and scanning electron microscope analyses were carried out. Fourier transform infrared spectroscopy data revealed the presence of amphoteric radicals on the modified citrus peel surface, indicating the effective adsorption of methylene blue and reactive black 5. Many parameters affecting the batch adsorption process, such as modified citrus peel dose (0.1-0.5 g), pH (2-10), time (20-80 min), stirring speed (60-180 rpm), and temperature (20-45 °C), were studied. It is seen that the physical effect is at the forefront, homogeneous monolayer adsorption occurs, and the process fits the Langmuir and pseudo first order models for dyestuffs. Thermodynamic modeling showed that the adsorption of methylene blue and reactive black 5 was spontaneous and endothermic. At pH 2, an adsorption capacity of 0.67 mg/g and a removal efficiency of 66.86% were achieved for reactive black 5. For methylene blue at pH 6, the adsorption capacity was 4.34 mg/g, and the decolorization rate was 87%. The decreases in the removal rates of dyestuffs in the binary system indicate that they are affected by their simultaneous presence in the solution. The results proved that modified citrus peel can be useful for dyestuff removal in single or binary systems, although the removal capacity of modified citrus peel is highly dependent on methylene blue and reactive black 5.
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Affiliation(s)
- İsmail Şimşek
- Department of Environmental Engineering, Faculty of Engineering, Aksaray University, 68100, Aksaray, Turkey
| | - Tolga Bahadir
- Department of Environmental Engineering, Faculty of Engineering, Aksaray University, 68100, Aksaray, Turkey
| | - Hakan Çelebi
- Department of Environmental Engineering, Faculty of Engineering, Aksaray University, 68100, Aksaray, Turkey.
| | - Şevket Tulun
- Department of Environmental Engineering, Faculty of Engineering, Aksaray University, 68100, Aksaray, Turkey
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Koli A, Kumar A, Pattanshetti A, Supale A, Garadkar K, Shen J, Shaikh J, Praserthdam S, Motkuri RK, Sabale S. Hierarchical Porous Activated Carbon from Wheat Bran Agro-Waste: Applications in Carbon Dioxide Capture, Dye Removal, Oxygen and Hydrogen Evolution Reactions. Chempluschem 2024; 89:e202300373. [PMID: 37909792 DOI: 10.1002/cplu.202300373] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Revised: 10/19/2023] [Accepted: 10/25/2023] [Indexed: 11/03/2023]
Abstract
This work reports an efficient method for facile synthesis of hierarchically porous carbon (WB-AC) utilizing wheat bran waste. Obtained carbon showed 2.47 mmol g-1 CO2 capture capacity with good CO2 /N2 selectivity and 27.35 to 29.90 kJ mol-1 isosteric heat of adsorption. Rapid removal of MO dye was observed with a capacity of ~555 mg g-1 . Moreover, WB-AC demonstrated a good OER activity with 0.35 V low overpotential at 5 mA cm-2 and a Tafel slope of 115 mV dec-1 . It also exhibited high electrocatalytic HER activity with 57 mV overpotential at 10 mA cm-2 and a Tafel slope of 82.6 mV dec-1 . The large SSA (757 m2 g-1 ) and total pore volume (0.3696 cm3 g-1 ) result from N2 activation contributing to selective CO2 uptake, high and rapid dye removal capacity and superior electrochemical activity (OER/HER), suggesting the use of WB-AC as cost effective adsorbent and metal free electrocatalyst.
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Affiliation(s)
- Amruta Koli
- Department of Chemistry, Jaysingpur College, Jaysingpur, 416101, India
| | - Abhishek Kumar
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, USA
| | | | - Amit Supale
- Dr. Patangrao Kadam Mahavidhyalaya College, Sangli, 416416, India
| | | | - Jian Shen
- College of Environment and Resources, Xiangtan University, Xiangtan, 411105, China
| | - Jasmin Shaikh
- Department of Chemical Engineering Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Supareak Praserthdam
- Department of Chemical Engineering Faculty of Engineering, Chulalongkorn University, Bangkok, 10330, Thailand
| | - Radha Kishan Motkuri
- Energy and Environment Directorate, Pacific Northwest National Laboratory, Richland, WA, USA
| | - Sandip Sabale
- Department of Chemistry, Jaysingpur College, Jaysingpur, 416101, India
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Dutta S, Adhikary S, Bhattacharya S, Roy D, Chatterjee S, Chakraborty A, Banerjee D, Ganguly A, Nanda S, Rajak P. Contamination of textile dyes in aquatic environment: Adverse impacts on aquatic ecosystem and human health, and its management using bioremediation. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 353:120103. [PMID: 38280248 DOI: 10.1016/j.jenvman.2024.120103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 01/05/2024] [Accepted: 01/11/2024] [Indexed: 01/29/2024]
Abstract
Textile dyes are the burgeoning environmental contaminants across the world. They might be directly disposed of from textile industries into the aquatic bodies, which act as the direct source for the entire ecosystem, ultimately impacting the human beings. Hence, it is essential to dissect the potential adverse outcomes of textile dye exposure on aquatic plants, aquatic fauna, terrestrial entities, and humans. Analysis of appropriate literature has revealed that textile dye effluents could affect the aquatic biota by disrupting their growth and reproduction. Various aquatic organisms are targeted by textile dye effluents. In such organisms, these chemicals affect their development, behavior, and induce oxidative stress. General populations of humans are exposed to textile dyes via the food chain and drinking contaminated water. In humans, textile dyes are biotransformed into electrophilic intermediates and aromatic amines by the enzymes of the cytochrome family. Textile dyes and their biotransformed products form the DNA and protein adducts at sub-cellular moiety. Moreover, these compounds catalyze the production of free radicals and oxidative stress, and trigger the apoptotic cascades to produce lesions in multiple organs. In addition, textile dyes modulate epigenetic factors like DNA methyltransferase and histone deacetylase to promote carcinogenesis. Several bioremediation approaches involving algae, fungi, bacteria, biomembrane filtration techniques, etc., have been tested and some other hybrid systems are currently under investigation to treat textile dye effluents. However, many such approaches are at the trial stage and require further research to develop more efficient, cost-effective, and easy-to-handle techniques.
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Affiliation(s)
- Sohini Dutta
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Satadal Adhikary
- Post Graduate Department of Zoology, A.B.N. Seal College, Cooch Behar, West Bengal, India
| | | | - Dipsikha Roy
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Sovona Chatterjee
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Aritra Chakraborty
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Diyasha Banerjee
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Abhratanu Ganguly
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Sayantani Nanda
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India
| | - Prem Rajak
- Department of Animal Science, Kazi Nazrul University, Asansol, West Bengal, India.
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Kahya N, Şen B, Berber D, Öztekin N. Comparison of Dye Adsorption of Chitosan and Polyethylenimine Modified Bentonite Clays: Optimization, Isotherm, and Kinetic Studies. ACS OMEGA 2024; 9:9040-9052. [PMID: 38434826 PMCID: PMC10905711 DOI: 10.1021/acsomega.3c07509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/26/2023] [Accepted: 11/29/2023] [Indexed: 03/05/2024]
Abstract
The aim of this study was to compare the effect of modifying calcium bentonite (Bent-Ca) clay with two cationic polymers, chitosan (Chi) and polyethylenimine (PEI), on the removal of remazol black B (RB-B) dye from an aqueous solution. The samples were characterized by using scanning electron microscopy, X-ray diffraction, and Fourier-transform infrared spectroscopy. The fractional factorial design of 2(6-1) was applied to investigate the effects of pH, temperature, amount of adsorbent, initial dye concentration, contact time, and shaking rate on the adsorption process. To further optimize RB-B removal from an aqueous solution, a Box-Behnken design with three factors and a response surface methodology was used. The optimum conditions were a pH of 3.77, a temperature of 40.45 °C, and an initial RB-B concentration of 77.27 mg L-1 for Bent-Ca-Chi, whereas for Bent-Ca-PEI, the optimum conditions were a pH of 5.53, a temperature of 41.06 °C, and an initial dye concentration of 238.89 mg L-1. To understand the adsorption behavior, the Langmuir and Freundlich isotherms were fitted to the experimental data. It was found that the Langmuir isotherm model matched well with the dye adsorption by Bent-Ca-Chi and Bent-Ca-PEI. The kinetics study was performed using three kinetic models: pseudo-first-order, pseudo-second-order, and intraparticle diffusion models. Among these models, the RB-B dye kinetics were best represented by the pseudo-second-order model equation for the adsorbents.
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Affiliation(s)
- Nilay Kahya
- Department of Chemistry, Istanbul Technical
University, Maslak, Istanbul 34469, Turkey
| | - Begüm Şen
- Department of Chemistry, Istanbul Technical
University, Maslak, Istanbul 34469, Turkey
| | - Demet Berber
- Department of Chemistry, Istanbul Technical
University, Maslak, Istanbul 34469, Turkey
| | - Nevin Öztekin
- Department of Chemistry, Istanbul Technical
University, Maslak, Istanbul 34469, Turkey
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Shukla A, Shah J, Badola S, Mandal TK, Agrawal VV, Patra A, Pulamte L, Kotnala RK. A Sustainable and Regenerative Process for the Treatment of Textile Effluents Using Nonphotocatalytic Water Splitting by Nanoporous Oxygen-Deficient Ferrite. ACS OMEGA 2024; 9:8490-8502. [PMID: 38405488 PMCID: PMC10882648 DOI: 10.1021/acsomega.3c09773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 01/16/2024] [Accepted: 01/19/2024] [Indexed: 02/27/2024]
Abstract
Water is crucial for life. Being the world's third-largest industry, the textile industry pollutes 93 billion cubic meters of water each year. Only 28% of textile wastewater is treated by lower- to middle-income countries due to the costly treatment methods. The present work demonstrates the utilization of surface oxygen defects and nanopores in Mg0.8Li0.2Fe2O4 (Li-MgF) to treat textile effluents by a highly economical, scalable, and eco-friendly process. Nanoporous, oxygen-deficient Li-MgF splits water by a nonphotocatalytic process at room temperature to produce green electricity as hydroelectric cell. The adsorbent Li-MgF can be easily regenerated by heat treatment. A 70-90% reduction in the UV absorption intensity of adsorbent-treated textile effluents was observed by UV-visible spectroscopy. The oxygen defects on Li-MgF surface and nanopores were confirmed by X-ray photoelectron spectroscopy and Brunauer-Emmett-Teller (BET) measurements, respectively. To analyze the adsorption mechanism, three known organic water-soluble dyes, brilliant green, crystal violet, and congo red, were treated with nanoporous Li-MgF. The dye decolorization efficiency of Li-MgF was recorded to be 99.84, 99.27, and 99.31% at 250 μM concentrations of brilliant green, congo red, and crystal violet, respectively. The results of Fourier transform infrared (FTIR) spectroscopy confirmed the presence of dyes on the material surface attached through hydroxyl groups generated by water splitting on the surface of the material. Total organic carbon analysis confirmed the removal of organic carbon from the dye solutions by 82.8, 77.0, and 46.5% for brilliant green, Congo red, and crystal violet, respectively. Based on the kinetic and isotherm models, the presence of a large number of surface hydroxyl groups on the surface of the material and OH- ions in solutions generated by water splitting was found to be responsible for the complete decolorization of all of the dyes. Adsorption of chemically diverse dyes by the nanoporous, eco-friendly, ferromagnetic, economic, and reusable Li-MgF provides a sustainable and easy way to treat textile industry effluents in large amounts.
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Affiliation(s)
- Abha Shukla
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
- CSIR-National Physical Laboratory, Dr. K S Krishnan Road, Delhi 110012, India
| | - Jyoti Shah
- CSIR-National Physical Laboratory, Dr. K S Krishnan Road, Delhi 110012, India
| | - Sunidhi Badola
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, Uttar Pradesh, India
- CSIR-National Physical Laboratory, Dr. K S Krishnan Road, Delhi 110012, India
| | - Tuhin K Mandal
- CSIR-National Physical Laboratory, Dr. K S Krishnan Road, Delhi 110012, India
| | - Ved V Agrawal
- CSIR-National Physical Laboratory, Dr. K S Krishnan Road, Delhi 110012, India
| | - Asit Patra
- CSIR-National Physical Laboratory, Dr. K S Krishnan Road, Delhi 110012, India
| | - Lalsiemlien Pulamte
- CSIR-National Institute of Science Communication and Policy Research, Delhi 110012, India
| | - Ravinder K Kotnala
- CSIR-National Physical Laboratory, Dr. K S Krishnan Road, Delhi 110012, India
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Radoor S, Kandel DR, Park K, Jayakumar A, Karayil J, Lee J. Low-cost and eco-friendly PVA/carrageenan membrane to efficiently remove cationic dyes from water: Isotherms, kinetics, thermodynamics, and regeneration study. CHEMOSPHERE 2024; 350:140990. [PMID: 38141681 DOI: 10.1016/j.chemosphere.2023.140990] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/15/2023] [Accepted: 12/17/2023] [Indexed: 12/25/2023]
Abstract
Methylene blue (MB), a common dye in the textile industry, has a multitude of detrimental consequences on humans and the environment. Accordingly, it is necessary to remove dyes from water to guarantee our health and sustainable ecosystem. In this study, we developed polyvinyl alcohol (PVA)-based hydrogel adsorbents with high adsorption capacity by adding three types of carrageenan (kappa, iota, and lambda) to remove MB from water. Thanks to the functional groups, the PVA/carrageenan membranes dramatically increased the removal efficiency (kappa, 98.8%; iota, 97.0%; lambda, 95.4%) compared to the pure PVA membrane (6.3%). Among the three types of PVA/carrageenan membranes, the PVA/kappa-carrageenan membrane exhibited the best adsorption capacity of 147.8 mg/g. This result implies that steric hindrance was considerably significant, given that kappa carrageenan has only one sulfate group in the repeating unit, whereas iota and lambda carrageenan composite PVA membranes possess two and three sulfate groups. Apart from the maximum adsorption capacity, this study addressed a variety of characteristics of PVA/carrageenan membranes such as the effects of initial MB concentration, kappa carrageenan weight percentage, contact time, adsorbent dosage, and temperature on the adsorption performance. In addition, the kinetic and thermodynamic studies were also carried out. Lastly, the reusability of the PVA/carrageenan membrane was verified by the 98% removal efficiency maintained after five adsorption-desorption cycles.
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Affiliation(s)
- Sabarish Radoor
- Department of Polymer-Nano Science and Technology, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea
| | - Dharma Raj Kandel
- Department of Bionanotechnology and Bioconvergence Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea
| | - Kyeongyeon Park
- Department of Bionanotechnology and Bioconvergence Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea
| | - Aswathy Jayakumar
- Department of Food and Nutrition, BioNanocomposite Research Center, Kyung Hee University, Seoul, 02447, Republic of Korea
| | - Jasila Karayil
- Department of Applied Science, Government Engineering College West Hill, Kozhikode, Kerala, India
| | - Jaewoo Lee
- Department of Polymer-Nano Science and Technology, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea; Department of Bionanotechnology and Bioconvergence Engineering, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea; Department of JBNU-KIST Industry-Academia Convergence Research, Polymer Materials Fusion Research Center, Jeonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju, 54896, Republic of Korea.
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Ganesan S, Kokulnathan T, Sumathi S, Palaniappan A. Efficient photocatalytic degradation of textile dye pollutants using thermally exfoliated graphitic carbon nitride (TE-g-C 3N 4). Sci Rep 2024; 14:2284. [PMID: 38280908 PMCID: PMC10821873 DOI: 10.1038/s41598-024-52688-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 01/22/2024] [Indexed: 01/29/2024] Open
Abstract
Graphitic carbon nitride (g-C3N4), an organic photocatalyst was reported to have beneficial properties to be used in wastewater treatment applications. However, g-C3N4, in its bulk form was found to have poor photocatalytic degradation efficiency due to its inherent limitations such as poor specific surface area and fast electron-hole pair recombination rate. In this study, we have tuned the physiochemical properties of bulk g-C3N4 by direct thermal exfoliation (TE-g-C3N4) and examined their photocatalytic degradation efficiency against abundant textile dyes such as methylene blue (MB), methyl orange (MO), and rhodamine B (RhB). The degradation efficiencies for MB, MO, and RhB dyes are 92 ± 0.18%, 93 ± 0.31%, and 95 ± 0.4% respectively in 60 min of UV light irradiation. The degradation efficiency increased with an increase in the exfoliation temperature. The prepared catalysts were characterized using FTIR, XRD, FE-SEM, EDAX, BET, and UV-DRS. In BET analysis, TE-g-C3N4 samples showed improved surface area (48.20 m2/g) when compared to the bulk g-C3N4 (5.03 m2/g). Further, the TE-g-C3N4 had 2.98 times higher adsorption efficiency than the bulk ones. The free radicals scavenging studies revealed that the superoxide radicals played an important role in the photodegradation for dyes, when compared to the hydroxyl radical (.OH) and the photo-induced holes (h+), Photoluminescence (PL) emission and electrochemical impedance spectroscopy (EIS) spectra of TE-g-C3N4 indicated a lowered electron-hole pairs' recombination rate and an increased photo-induced charge transfer respectively. Further, the TE-g-C3N4 were found to have excellent stability for up to 5 cycles with only a minor decrease in the activity from 92% to 86.2%. These findings proved that TE-g-C3N4 was an excellent photocatalyst for the removal and degradation of textile dyes from wastewater.
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Affiliation(s)
- Selvaganapathy Ganesan
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
- Human Organ Manufacturing Engineering (HOME), Lab, Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Thangavelu Kokulnathan
- Department of Electro-Optical Engineering, National Taipei University of Technology, Taipei, 106, Taiwan
| | - Shanmugam Sumathi
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India
| | - Arunkumar Palaniappan
- Human Organ Manufacturing Engineering (HOME), Lab, Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology, Vellore, Tamil Nadu, 632014, India.
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Mathimani T, Alshiekheid MA, Sabour A, Le T, Xia C. Appraising the phycoremediation potential of cyanobacterial strains Phormidium and Oscillatoria for nutrient removal from textile wastewater (TWW) and synchronized biodiesel production from TWW-tolerant biomass. ENVIRONMENTAL RESEARCH 2024; 241:117628. [PMID: 37956756 DOI: 10.1016/j.envres.2023.117628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 10/31/2023] [Accepted: 11/07/2023] [Indexed: 11/15/2023]
Abstract
In this study, phycoremediation of textile wastewater (TWW) by freshwater cyanobacterial strains such as sp., Oscillatoria sp. F01 and Oscillatoria sp. F02 was evaluated, and lipids were simultaneously extracted from biomass for biodiesel production. Onset of the study, Phormidium sp. and Oscillatoria sp. F01 has better growth rates, increased biomass production, high chlorophyll content, and efficient nutrient utilization in TWW compared to Oscillatoria sp. F02. Phormidium sp. showed 1.41 g/L dry weight, followed by Oscillatoria sp. F01 with 1.39 g/L and Oscillatoria sp. F02 with 1.02 g/L biomass. Both strains demonstrated their capability to elevate the pH level while reducing TDS and eliminating/reducing several nutrients such as nitrates, nitrites, phosphates, sulphates, sulphides, chlorides, calcium, sodium, and magnesium. Further, the total lipids extracted from the TWW-grown Phormidium sp., Oscillatoria sp. F01 and Oscillatoria sp. F02 was estimated to be 8.20, 13.70 and 11.20 %, respectively, on day 21, which was higher than the lipid content obtained from control cultures. Further, biodiesel produced from the lipids of all strains showed higher levels of C12:0, C16:0, C16:1, C18:1, C18:2, and C18:3 among all the fatty acids. Therefore, they can potentially offer a valuable source of lipids and diverse fatty acids for high-quality biodiesel production. This integrated system not only offers a solution for TWW treatment but also provides a feedstock for renewable fuel production simultaneously.
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Affiliation(s)
- Thangavel Mathimani
- Institute of Research and Development, Duy Tan University, Da Nang, Viet Nam; School of Engineering and Technology, Duy Tan University, Da Nang, Viet Nam.
| | - Maha A Alshiekheid
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box-2455, Riyadh, 11451, Saudi Arabia
| | - Amal Sabour
- Department of Botany and Microbiology, College of Science, King Saud University, PO Box-2455, Riyadh, 11451, Saudi Arabia
| | - Tht Le
- Institute of Research and Development, Duy Tan University, Da Nang, Viet Nam; School of Engineering and Technology, Duy Tan University, Da Nang, Viet Nam
| | - Changlei Xia
- College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
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Nazari N, Jookar Kashi F, Nazari N. Improved application of immobilized Enterobacter cloacae into a bio-based polymer for Reactive Blue 19 removal, an eco-friendly advancement in potential decolorizing systems. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2024; 96:e10968. [PMID: 38217325 DOI: 10.1002/wer.10968] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 11/24/2023] [Accepted: 11/30/2023] [Indexed: 01/15/2024]
Abstract
The widespread use of highly complex synthetic dyes like reactive dyes in the textile industry has some adverse environmental impacts and deserves close attention. Biological treatment of these effluents utilizing various species of bacteria with remarkable efficiency in dye removal is still considered promising. Our current study deals with immobilizing an isolated bacterial strain into calcium alginate (Ca/Alg) gel beads and using it to treat pernicious pollutants like synthetic dyes. A potential Reactive Blue 19 (RB19)-degrading Enterobacter cloacae strain A1 was isolated from the Kashan textile industry and was characterized by 16S rDNA gene sequencing. The decolorization ability of strain A1 was assessed by time-based studies using free bacterial cells/immobilized in Ca/Alg. Based on the results of the 16S rDNA gene sequencing, it appears that strain A1 belonged to E. cloacae, with a 99.74% similarity. The findings suggest that immobilized strain A1 accomplished maximum decolorization activity compared with the free cells. The immobilized strain could utterly decompose and decolorize 0.05 mg/mL of RB19 within 48 h, while the free bacterial strain decolorized RB19 within 5 days. Moreover, Ca/Alg gel beads can maintain their efficiency for over three decolorization cycles. Further infrared spectroscopy (FTIR) and gas chromatograph mass spectrometer (GC/MS) investigation declared complete RB19 decomposition on reaction products. Artemia salina was used to investigate the toxicity of dye and its degraded metabolites. The LC50 values signified the pure dye as very toxic with 0.01 mg/mL concentration, while after-treatment products showed no toxic effect on larvae. This immobilization technique increased the applicability of bacterial strain for dye removal. It was beneficial for the decolorization of RB19 from textile wastewater due to a remarkable reduction in time. Notably, strain A1-immobilized beads can maintain their activity for three consecutive decolorization cycles without a considerable decrease in efficiency. PRACTITIONER POINTS: The remarkable capacity of immobilized Enterobacter cloacae strain A1 for Reactive Blue 19 (RB19) removal Immobilized A1 strain showed two-fold higher removal than free one over 48 h A promising method for enhancing RB19 decolorization Decolorization was due to degradation based on UV-Vis, FTIR, and GC/MS analysis Non-toxic posttreatment products for Artemia.
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Affiliation(s)
- Negin Nazari
- Department of Cell and Molecular Biology, Faculty of Chemistry, University of Kashan, Kashan, Iran
| | - Fereshteh Jookar Kashi
- Department of Cell and Molecular Biology, Faculty of Chemistry, University of Kashan, Kashan, Iran
| | - Niayesh Nazari
- Department of Cell and Molecular Biology, Faculty of Chemistry, University of Kashan, Kashan, Iran
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