1
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Darvishi F, Mirelmi B, Soudi MR, Shiri M, Mahdavinia GR, Shi S. Reusable magnetic alginate nanocomposite with immobilized Pseudozyma antarctica yeast cells offers the potential for bioremediation and detoxification of reactive black 5 dye. Int J Biol Macromol 2025; 306:141641. [PMID: 40032101 DOI: 10.1016/j.ijbiomac.2025.141641] [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: 09/14/2024] [Revised: 02/21/2025] [Accepted: 02/28/2025] [Indexed: 03/05/2025]
Abstract
Azo dyes in wastewater of textile, paper and pulp, cosmetics, and leather tanning industries have toxicity and mutagenicity for all living organisms. The aim of the current research was the study of free and immobilized yeast cells of Pseudozyma antarctica on the beads of magnetic alginate nanocomposite to decolorize and detoxify Reactive Black 5 (RB5) as a representative of azo dyes. This yeast decolorized a high concentration of RB5 (2500 mg/L) with 82.30 % decolorization efficiency. The beads containing immobilized yeast cells were used for decolorization in consecutive cycles, and the decolorization efficiency of the beads after four cycles was more than 67 %. UV-visible and FTIR spectroscopy studies showed that the azo bond in RB5 was removed and destroyed by yeast activity. The azo bond of RB5 is destroyed in the biodegradation mechanism which confirms the decolorization of RB5 by P. antarctica via the biodegradation mechanism. According to the phytotoxicity results, RB5 decolorization by P. antarctica reduced the toxicity of the dye. This is the first study on the decolorizing and detoxifying potentials of P. antarctica and introduces a promising candidate for the treatment of wastewater containing azo dyes. Furthermore, its successful immobilization on magnetic alginate nanocomposite and its convenient consecutive uses make it more attractive for environmental applications.
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Affiliation(s)
- Farshad Darvishi
- Department of Microbiology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran; Research Center for Applied Microbiology and Microbial Biotechnology (CAMB), Alzahra University, Tehran, Iran.
| | - Behnaz Mirelmi
- Department of Microbiology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran; Research Center for Applied Microbiology and Microbial Biotechnology (CAMB), Alzahra University, Tehran, Iran
| | - Mohammad Reza Soudi
- Department of Microbiology, Faculty of Biological Sciences, Alzahra University, Tehran, Iran; Research Center for Applied Microbiology and Microbial Biotechnology (CAMB), Alzahra University, Tehran, Iran
| | - Morteza Shiri
- Department of Organic Chemistry, Faculty of Chemistry, Alzahra University, Tehran, Iran
| | - Gholam Reza Mahdavinia
- Polymer Laboratory, Department of Chemistry, Faculty of Science, University of Maragheh, Maragheh, Iran
| | - Shuobo Shi
- Beijing Advanced Innovation Center for Soft Matter Science and Engineering, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing 100029, China
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2
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Negi A. Environmental Impact of Textile Materials: Challenges in Fiber-Dye Chemistry and Implication of Microbial Biodegradation. Polymers (Basel) 2025; 17:871. [PMID: 40219261 PMCID: PMC11991193 DOI: 10.3390/polym17070871] [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: 12/06/2024] [Revised: 03/11/2025] [Accepted: 03/17/2025] [Indexed: 04/14/2025] Open
Abstract
Synthetic and natural fibers are widely used in the textile industry. Natural fibers include cellulose-based materials like cotton, and regenerated fibers like viscose as well as protein-based fibers such as silk and wool. Synthetic fibers, on the other hand, include PET and polyamides (like nylon). Due to significant differences in their chemistry, distinct dyeing processes are required, each generating specific waste. For example, cellulose fibers exhibit chemical inertness toward dyes, necessitating chemical auxiliaries that contribute to wastewater contamination, whereas synthetic fibers are a major source of non-biodegradable microplastic emissions. Addressing the environmental impact of fiber processing requires a deep molecular-level understanding to enable informed decision-making. This manuscript emphasizes potential solutions, particularly through the biodegradation of textile materials and related chemical waste, aligning with the United Nations Sustainable Development Goal 6, which promotes clean water and sanitation. For instance, cost-effective methods using enzymes or microbes can aid in processing the fibers and their associated dyeing solutions while also addressing textile wastewater, which contains high concentrations of unreacted dyes, salts, and other highly water-soluble pollutants. This paper covers different aspects of fiber chemistry, dyeing, degradation mechanisms, and the chemical waste produced by the textile industry, while highlighting microbial-based strategies for waste mitigation. The integration of microbes not only offers a solution for managing large volumes of textile waste but also paves the way for sustainable technologies.
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Affiliation(s)
- Arvind Negi
- Faculty of Educational Science, University of Helsinki, 00014 Helsinki, Finland
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3
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Ghanaim AM, Mahdy OME, Mohamed HI. Biodegradation of azo dyes by Aspergillus flavus and its bioremediation potential using seed germination efficiency. BMC Microbiol 2025; 25:7. [PMID: 39780060 PMCID: PMC11715232 DOI: 10.1186/s12866-024-03703-9] [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: 09/14/2024] [Accepted: 12/11/2024] [Indexed: 01/11/2025] Open
Abstract
The worldwide textile industry extensively uses azo dyes, which pose serious health and environmental risks. Effective cleanup is necessary but challenging. Developing bioremediation methods for textile effluents will improve color removal efficiency. The recent attention to effectively utilizing microbes to convert toxic industrial azo dyes into non-hazardous compounds has garnered significant attention. In the present study, four fungal strains-Aspergillus flavus, Aspergillus terreus, Aspergillus niger, and Fusarium oxysporium-were employed to screen for the degradation and detoxification of azo dyes including congo red, crystal violet, bromophenol blue, and malachite green. After eight days, A. flavus had degraded azo dyes at the maximum proportion. The maximum decolorization (%) was achieved at 50 mg/L of dye concentration, 8 days of incubation, pH 6, 30 °C temperature, sucrose as a carbon source, NaNO3 as a nitrogen source, Ca+2 as minerals, and using static culture. The efficient production of laccases, lignin peroxidase, and manganese peroxidase enzymes by A. flavus proved that the enzyme played a crucial role in decolorizing the harmful azo dyes. The Fourier Transform Infrared spectrometer (FT-IR) data validated the decolorization and degradation process brought on by absorption and biodegradation. Compared to control plants, the results of the phytotoxicity assay showed that the degraded product was less harmful to maize and common bean plant's growth and germination rates. As a result, the findings indicate that A. flavus is a viable option for remediating azo dyes. This aids in the biodegradation of azo dyes found in wastewater.
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Affiliation(s)
- Amira M Ghanaim
- Department of Biological and Geological Sciences, Faculty of Education, Ain Shams University, Cairo, 11341, Egypt
| | - Omima M El Mahdy
- Department of Biological and Geological Sciences, Faculty of Education, Ain Shams University, Cairo, 11341, Egypt
| | - Heba I Mohamed
- Department of Biological and Geological Sciences, Faculty of Education, Ain Shams University, Cairo, 11341, Egypt.
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4
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Goswami D, Mukherjee J, Mondal C, Bhunia B. Bioremediation of azo dye: A review on strategies, toxicity assessment, mechanisms, bottlenecks and prospects. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 954:176426. [PMID: 39326754 DOI: 10.1016/j.scitotenv.2024.176426] [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: 02/20/2024] [Revised: 09/16/2024] [Accepted: 09/18/2024] [Indexed: 09/28/2024]
Abstract
The synthetic azo dyes are widely used in the textile industries for their excellent dyeing properties. They may be classified into many classes based on their structure and application, including direct, reactive, dispersive, acidic, basic, and others. The continuous discharge of wastewater from a large number of textile industries without prior treatment poses detrimental effects on the environment and human health. Azo dyes and their degradation products are extremely poisonous for their carcinogenic, teratogenic and mutagenic nature. Moreover, exposure to synthetic azo dyes can cause genetic changes, skin inflammation, hypersensitivity responses, and skin irritations in persons, which may ultimately result in other profound issues including the deterioration of water quality. This review discusses these dyes in details along with their detrimental effects on aquatic and terrestrial flora and fauna including human beings. Azo dyes degrade the water bodies by increasing biochemical and chemical oxygen demand. Therefore, dye-containing wastewater should be effectively treated using eco-friendly and cost-effective technologies to avoid negative impact on the environment. This article extensively reviews on physical, chemical and biological treatment with their benefits and challenges. Biological-based treatment with higher hydraulic retention time (HRT) is economical, consumes less energy, produces less sludge and environmentally friendly. Whereas the physical and chemical methods with less hydraulic retention time is costly, produces large sludge, requires high dissolved oxygen and ecologically inefficient. Since, biological treatment is more advantageous over physical and chemical methods, researchers are concentrating on bioremediation for eliminating harmful azo dye pollutants from nature. This article provides a thorough analysis of the state-of-the-art biological treatment technologies with their developments and effectiveness in the removal of azo dyes. The mechanism by which genes encoding azoreductase enzymes (azoG, and azoK) enable the natural degradation of azo dyes by bacteria and convert them into less harmful compounds is also extensively examined. Therefore, this review also focuses on the use of genetically modified microorganisms and nano-technological approaches for bioremediation of azo dyes.
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Affiliation(s)
- Deepa Goswami
- Department of Chemical Engineering, Jadavpur University, Kolkata 700032, India
| | - Jayanti Mukherjee
- Department of Pharmaceutical Chemistry, CMR College of Pharmacy, Affiliated to Jawaharlal Nehru Technological University Hyderabad, Hyderabad, Telangana 501401, India
| | - Chanchal Mondal
- Department of Chemical Engineering, Jadavpur University, Kolkata 700032, India
| | - Biswanath Bhunia
- Bioproducts Processing Research Laboratory (BPRL), Department of Bio Engineering, National Institute of Technology, Agartala 799046, India.
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5
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Westwood MT, Omar Farah A, Wise HB, Sinfield M, Robichon C, Prindl MI, Cordes DB, Ha-Yeong Cheong P, Smith AD. Isothiourea-Catalysed Acylative Kinetic Resolution of Tertiary Pyrazolone Alcohols. Angew Chem Int Ed Engl 2024; 63:e202407983. [PMID: 39177177 DOI: 10.1002/anie.202407983] [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: 04/26/2024] [Revised: 08/15/2024] [Accepted: 08/21/2024] [Indexed: 08/24/2024]
Abstract
The development of methods for the selective acylative kinetic resolution (KR) of tertiary alcohols is a recognised synthetic challenge with relatively few successful substrate classes reported to date. In this manuscript, a highly enantioselective isothiourea-catalysed acylative KR of tertiary pyrazolone alcohols is reported. The scope and limitations of this methodology have been developed, with high selectivity observed across a broad range of substrate derivatives incorporating varying substitution at N(2)-, C(4)- and C(5)-, as well as bicyclic constraints within the pyrazolone scaffold (30 examples, selectivity factors (s) typically >100) at generally low catalyst loadings (1 mol %). The application of this KR method to tertiary alcohols derived directly from a natural product (geraniol), alongside pharmaceutically relevant drug compounds (indomethacin, gemfibrozil and probenecid), with high efficiency (s >100) is also described. The KR process is readily amenable to scale up using bench grade solvents and reagents, with effective resolution on a 50 g (0.22 mol) scale demonstrated. The key structural motif leading to excellent selectivity in this KR process has been probed through computation, with an NC=O⋅⋅⋅isothiouronium interaction from substrate to acylated catalyst observed within the favoured transition state. Similarly, the effect of C(5)-aryl substitution that leads to reduced experimental selectivity is probed, with a competitive π-isothiouronium interaction identified as leading to reduced selectivity.
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Affiliation(s)
- Matthew T Westwood
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife, KY16 9ST, UK
| | - Abdikani Omar Farah
- Department of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, OR, 97331, USA
| | - Henry B Wise
- Department of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, OR, 97331, USA
| | - Mike Sinfield
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife, KY16 9ST, UK
| | - Camille Robichon
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife, KY16 9ST, UK
| | - Martha I Prindl
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife, KY16 9ST, UK
| | - David B Cordes
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife, KY16 9ST, UK
| | - Paul Ha-Yeong Cheong
- Department of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, OR, 97331, USA
| | - Andrew D Smith
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife, KY16 9ST, UK
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6
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Sarkar S, Chakraborty A, Nag P, Singh S, Munjal R, Vennapusa SR, Jha HC, Mukhopadhyay S. Role of Charge Density and Surface Area of Tailored Ionic Porous Organic Polymers for Adsorption and Antibacterial Actions. ACS APPLIED MATERIALS & INTERFACES 2024; 16:62788-62802. [PMID: 39471396 DOI: 10.1021/acsami.4c15935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2024]
Abstract
The development of high-performance adsorbents for environmental remediation is a current need, and ionic porous organic polymers (iPOPs), due to their high physicochemical stability, high surface area, added electrostatic interaction, and easy reusability, have already established themselves as a better adsorbent. However, research on the structural design of high-performance iPOP-based adsorbents is still nascent. This study explored the building blocks' role in optimizing the polymers' charge density and surface area to develop better polymeric adsorbents. Among the three synthesized polymers, iPOP-ZN1, owing to its high surface area and high charge density in its active sites, proved to be the best adsorbent for adsorbing inorganic and organic pollutants in an aqueous medium. The polymers were efficient enough to capture and store iodine vapor in the solid state. Further, this study tried to address using iodine-loaded polymers in antibacterial action. Iodine-loaded iPOPs show impressive antibacterial behavior against E. coli, B. subtilis, and H. pylori.
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Affiliation(s)
- Sayantan Sarkar
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, India
| | - Argha Chakraborty
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, India
| | - Probal Nag
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram 695551, India
| | - Siddharth Singh
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, Indore 453552, India
| | - Ritika Munjal
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, India
| | - Sivaranjana Reddy Vennapusa
- School of Chemistry, Indian Institute of Science Education and Research Thiruvananthapuram, Thiruvananthapuram 695551, India
| | - Hem Chandra Jha
- Department of Biosciences and Biomedical Engineering, Indian Institute of Technology Indore, Indore 453552, India
| | - Suman Mukhopadhyay
- Department of Chemistry, Indian Institute of Technology Indore, Indore 453552, India
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7
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Zhu H, Manchado A, Omar Farah A, McKay AP, Cordes DB, Cheong PHY, Kasten K, Smith AD. Isothiourea-Catalysed Acylative Dynamic Kinetic Resolution of Tetra-substituted Morpholinone and Benzoxazinone Lactols. Angew Chem Int Ed Engl 2024; 63:e202402908. [PMID: 38713293 DOI: 10.1002/anie.202402908] [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: 02/08/2024] [Revised: 05/03/2024] [Accepted: 05/06/2024] [Indexed: 05/08/2024]
Abstract
The development of methods to allow the selective acylative dynamic kinetic resolution (DKR) of tetra-substituted lactols is a recognised synthetic challenge. In this manuscript, a highly enantioselective isothiourea-catalysed acylative DKR of tetra-substituted morpholinone and benzoxazinone-derived lactols is reported. The scope and limitations of this methodology have been developed, with high enantioselectivity and good to excellent yields (up to 89 %, 99 : 1 er) observed across a broad range of substrate derivatives incorporating substitution at N(4) and C(2), di- and spirocyclic substitution at C(5) and C(6), as well as benzannulation (>35 examples in total). The DKR process is amenable to scale-up on a 1 g laboratory scale. The factors leading to high selectivity in this DKR process have been probed through computation, with an N-C=O⋅⋅⋅isothiouronium interaction identified as key to producing ester products in highly enantioenriched form.
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Affiliation(s)
- Haoxiang Zhu
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife, KY16 9ST, UK
| | - Alejandro Manchado
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife, KY16 9ST, UK
- Departamento de Química Orgánica, Facultad de Ciencias Químicas, Universidad de Salamanca, Plaza de los Caídos 1-5, 37008, Salamanca, Spain
| | - Abdikani Omar Farah
- Department of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, OR 97331, USA
| | - Aidan P McKay
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife, KY16 9ST, UK
| | - David B Cordes
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife, KY16 9ST, UK
| | - Paul Ha-Yeon Cheong
- Department of Chemistry, Oregon State University, 153 Gilbert Hall, Corvallis, OR 97331, USA
| | - Kevin Kasten
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife, KY16 9ST, UK
| | - Andrew D Smith
- EaStCHEM, School of Chemistry, University of St Andrews, St Andrews, Fife, KY16 9ST, UK
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8
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Wadhawan G, Kalra A, Gupta A. Potential of halophiles and alkaliphiles in bioremediation of azo dyes-laden textile wastewater: a review. 3 Biotech 2024; 14:194. [PMID: 39131176 PMCID: PMC11306850 DOI: 10.1007/s13205-024-04036-0] [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: 03/17/2023] [Accepted: 07/22/2024] [Indexed: 08/13/2024] Open
Abstract
Azo dye-laden textile wastewater must be treated before release due to various health and environmental concerns. Bioremediation of textile wastewater, however, is a challenge owing to its alkaline and saline nature as mesophilic microbes, in general, are either not able to thrive or show less efficiency under such hostile environment. Thus, pre-treatment for neutralization or salinity removal becomes a prerequisite before applying microbes for treatment, causing extra economical and technical burden. Extremophilic bacteria can be the promising bioremediating tool because of their inherent ability to survive and show toxicants removal capability under such extreme conditions without need of pre-treatment. Among extremophiles, halophilic and alkaliphilic bacteria which are naturally adapted to high salt and pH are of special interest for the decolorization of saline-alkaline-rich textile wastewater. The current review article is an attempt to provide an overview of the bioremediation of azo dyes and azo dye-laden textile wastewater using these two classes of extremophilic bacteria. The harmful effects of azo dyes on human health and environment have been discussed herein. Halo-alkaliphilic bacteria circumvent the extreme conditions by various adaptations, e.g., production of certain enzymes, adjustment at the protein level, pH homeostasis, and other structural adaptations that have been highlighted in this review. The unique properties of alkaliphiles and halophiles, to not only sustain but also harboring high dye removal competence at high pH and salt concentration, make them a good candidate for designing future bioremediation strategies for the management of alkaline, salt, and azo dye-laden industrial wastewaters.
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Affiliation(s)
- Gunisha Wadhawan
- University School of Environment Management, Guru Gobind Singh Indraprastha University, Sector 16C, Dwarka, New Delhi 110078 India
| | - Anuja Kalra
- University School of Environment Management, Guru Gobind Singh Indraprastha University, Sector 16C, Dwarka, New Delhi 110078 India
| | - Anshu Gupta
- University School of Environment Management, Guru Gobind Singh Indraprastha University, Sector 16C, Dwarka, New Delhi 110078 India
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9
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Xu H, Zheng HY, Liu CH. Methyl Red degradation by a subseafloor fungus Schizophyllum commune 15R-5-F01: efficiency, pathway, and product toxicity. 3 Biotech 2024; 14:202. [PMID: 39157422 PMCID: PMC11327228 DOI: 10.1007/s13205-024-04037-z] [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: 04/17/2024] [Accepted: 07/21/2024] [Indexed: 08/20/2024] Open
Abstract
Synthetic dyes pose a significant environmental threat due to their complex structures and resistance to microbial degradation. S. commune 15R-5-F01 exhibited over 96% degradation efficiency of Methyl Red in a medium with 100 mg L-1 Methyl Red within 3 h. The fungus demonstrated adaptability to various environmental conditions, including different pH levels, temperatures, oxygen concentrations, salinity, and heavy metals. S. commune 15R-5-F01 is capable of achieving repeated cycles of Methyl Red reduction with sustained degradation duration minimum of 6 cycles. It showed a maximum Methyl Red biodegradation capacity of at least 558 mg g-1 dry mycelia and a bioadsorption capacity of 57 mg g-1. Gas chromatography-mass spectrometry analysis confirmed the azo reduction of Methyl Red into N,N-dimethyl-p-phenylenediamine and 2-aminobenzoic acid. Enzymatic activity assays indicated the involvement of lignin peroxidases, laccases, and manganese peroxidase in the biodegradation process. Phytotoxicity tests on Triticum eastivum, Oryza sativa, and Vigna umbellata seeds revealed reduced toxicity of the degradation products compared to Methyl Red. This study identifies S. commune 15R-5-F01 as a viable candidate for the sustainable degradation of synthetic dyes in industrial wastewater.
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Affiliation(s)
- Hui Xu
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, 210023 China
| | - Hong-Ye Zheng
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, 210023 China
| | - Chang-Hong Liu
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing University, Nanjing, 210023 China
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10
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Kumar D, Gupta SK. Sustainable approach for the treatment of dye-containing wastewater – a critical review. REV CHEM ENG 2024; 40:723-763. [DOI: 10.1515/revce-2023-0030] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2025]
Abstract
Abstract
In the world’s rapidly expanding economy, textile industries are recognized as a substantial contributor to economic growth, but they are one of the most significant polluting industrial sectors. Dye-contaminated water sources can pose serious public health concerns, including toxicity, mutagenicity, and carcinogenicity among other adverse health effects. Despite a limited understanding of efficacious decolorization methodologies, the pursuit of a sustainable strategy for the treatment of a wide spectrum of dyes remains a formidable challenge. This article conducted an exhaustive review of extant literature pertaining to diverse physical, chemical, biological, and hybrid processes with the aim of ascertaining their efficacy. It also elucidates the advantages and disadvantages, cost considerations, as well as scalability impediments of the treatment methodologies, thereby facilitating the identification of optimal strategies for establishing techno-economically efficient processes in the sustainable handling of these effluents. The hybrid configuration exhibited superior efficiency and was documented to surmount the limitations and constraints inherent to individual techniques. The study also revealed that most of the proven and established dye removal techniques share a common limitation viz., the generation of secondary pollution (i.e., sludge generation, toxic intermediates, etc.) to the ecosystem.
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Affiliation(s)
- Diwakar Kumar
- Department of Environmental Science and Engineering , Indian Institute of Technology (Indian School of Mines) Dhanbad , Dhanbad , 826004 Jharkhand , India
| | - Sunil Kumar Gupta
- Department of Environmental Science and Engineering , Indian Institute of Technology (Indian School of Mines) Dhanbad , Dhanbad , 826004 Jharkhand , India
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11
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Krupčíková S, Stiborek M, Kalousková P, Urík J, Šimek Z, Melymuk L, Muz M, Vrana B. Investigation of occurrence of aromatic amines in municipal wastewaters using passive sampling. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 939:173196. [PMID: 38750764 DOI: 10.1016/j.scitotenv.2024.173196] [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: 03/20/2024] [Revised: 05/03/2024] [Accepted: 05/11/2024] [Indexed: 06/03/2024]
Abstract
Aromatic amines (AAs) are human-made compounds known for their mutagenic properties, entering surface waters from various sources, often originating as transformation products of dyes or pesticides. Despite their low concentrations in surface waters, AAs can exhibit mutagenicity. Our study focused on evaluating three passive samplers (PSs) for enriching these compounds from influent and effluent of a wastewater treatment plant (WWTP) in Brno, Czech Republic. The PSs tested included variants containing AttractSPE™ SDB-RPS sorbent disk, one with and one without a diffusive agarose hydrogel layer, and a modified Speedisk (Bakerbond Speedisk® H2O-Philic). PSs were deployed in wastewater (WW) for one to four weeks in various overlapping combinations, and the uptake of AAs to PSs was compared to their concentrations in 24-hour composite water samples. A targeted LC/MS analysis covered 42 amines, detecting 11 and 13 AAs in daily composite influent and effluent samples, respectively. In the influent, AAs ranged from 1.5 ng L-1 for 1-anilinonaphthalene to 1.0 μg L-1 for aniline, and the highest concentration among all measured amines was observed for cyclohexylamine at 2.9 μg L-1. In the effluent, concentrations ranged from 0.5 ng L-1 for 1-anilinonaphthalene to 88 ng L-1 for o-anisidine. PSs demonstrated comparable accumulation of amines, with integrative uptake up to 28 days in both influent and effluent and detection of up to 23 and 27 amines in influent and effluent, respectively; altogether 34 compounds were detected in the study. Sampling rates (Rs) were estimated for compounds present in at least 50 % of the samples and showing <40 % aqueous concentration variability, with robustness evaluated by comparing values for compounds in WWTP influent and effluent. Although all devices performed similarly, hydrogel-based PS exhibited superior performance in several criteria, including time integration and robustness of sampling rates, making it a suitable monitoring tool for AAs in WW.
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Affiliation(s)
- Simona Krupčíková
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, 61137, Brno, Czech Republic.
| | - Marek Stiborek
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, 61137, Brno, Czech Republic.
| | - Petra Kalousková
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, 61137, Brno, Czech Republic.
| | - Jakub Urík
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, 61137, Brno, Czech Republic.
| | - Zdeněk Šimek
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, 61137, Brno, Czech Republic.
| | - Lisa Melymuk
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, 61137, Brno, Czech Republic.
| | - Melis Muz
- Helmholtz Centre for Environmental Research GmbH-UFZ, Department Exposure Science, Permoserstraße 15, 04318 Leipzig, Germany.
| | - Branislav Vrana
- RECETOX, Faculty of Science, Masaryk University, Kotlarska 2, 61137, Brno, Czech Republic.
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Kalia S, Samuchiwal S, Dalvi V, Malik A. Exploring fungal-mediated solutions and its molecular mechanistic insights for textile dye decolorization. CHEMOSPHERE 2024; 360:142370. [PMID: 38763399 DOI: 10.1016/j.chemosphere.2024.142370] [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: 08/08/2023] [Revised: 03/29/2024] [Accepted: 05/16/2024] [Indexed: 05/21/2024]
Abstract
Decolorization of textile dyes and study of their intermediate compounds is necessary to comprehend the mechanism of dye degradation. In the present study, different fungal mediated solutions were explored to provide an alternative to treat the reactive dyes. Growing biomass of Pleurotus sajor caju showed 83% decolorization (249.99 mg L-1 removal) of Reactive Blue 13 (RB 13) and 63% decolorization (188.83 mg L-1) of Reactive Black 5 (RB 5) at 300 mg L-1 initial concentration on 8 d. Higher laccase activity was positively correlated with increase in decolorization. However, increasing dye concentration has inhibitory effect on fungal biomass due to increase in toxicity. In laccase mediated decolorization, laccase produced from P. sajor caju using carbon rich waste material as substrate showed 89% decolorization (276.36 mg L-1 removal) of RB 13 and 33% decolorization (105.37 mg L-1 removal) of RB 5 at 300 mg L-1 initial dye concentration in 100 min at 30 °C and pH 3.0'. Comparing the two methods, laccase-mediated decolorization shows better decolorization in less time and does not produce sludge. Further, the present work also attempted to study the dye degradation pathway for Reactive blue 13 via laccase mediated process. Fourier-transform infrared spectroscopy (FTIR), high-performance liquid chromatography (HPLC), and gas chromatography-mass spectrometry (GC-MS) were utilized to identify the degraded products. The GC-MS analysis showed the formation of naphthalene, naphthalene 2-ol, benzene,1-2, dicarboxylic acid, 4, amino, 6,chloro, 1-3-5, triazin-2-ol as the final degraded products after enzymatic degradation of RB 13. These findings provide in-depth study of laccase-mediated textile dye degradation mechanism.
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Affiliation(s)
- Shweta Kalia
- Applied Microbiology Lab, Centre for Rural Development and Technology, Indian Institute of Technology Delhi, 110016, India.
| | - Saurabh Samuchiwal
- Applied Microbiology Lab, Centre for Rural Development and Technology, Indian Institute of Technology Delhi, 110016, India.
| | - Vivek Dalvi
- Applied Microbiology Lab, Centre for Rural Development and Technology, Indian Institute of Technology Delhi, 110016, India.
| | - Anushree Malik
- Applied Microbiology Lab, Centre for Rural Development and Technology, Indian Institute of Technology Delhi, 110016, India.
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Arthi R, Parameswari E, Dhevagi P, Janaki P, Parimaladevi R. Microbial alchemists: unveiling the hidden potentials of halophilic organisms for soil restoration. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024:10.1007/s11356-024-33949-9. [PMID: 38877191 DOI: 10.1007/s11356-024-33949-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2024] [Accepted: 06/05/2024] [Indexed: 06/16/2024]
Abstract
Salinity, resulting from various contaminants, is a major concern to global crop cultivation. Soil salinity results in increased osmotic stress, oxidative stress, specific ion toxicity, nutrient deficiency in plants, groundwater contamination, and negative impacts on biogeochemical cycles. Leaching, the prevailing remediation method, is expensive, energy-intensive, demands more fresh water, and also causes nutrient loss which leads to infertile cropland and eutrophication of water bodies. Moreover, in soils co-contaminated with persistent organic pollutants, heavy metals, and textile dyes, leaching techniques may not be effective. It promotes the adoption of microbial remediation as an effective and eco-friendly method. Common microbes such as Pseudomonas, Trichoderma, and Bacillus often struggle to survive in high-saline conditions due to osmotic stress, ion imbalance, and protein denaturation. Halophiles, capable of withstanding high-saline conditions, exhibit a remarkable ability to utilize a broad spectrum of organic pollutants as carbon sources and restore the polluted environment. Furthermore, halophiles can enhance plant growth under stress conditions and produce vital bio-enzymes. Halophilic microorganisms can contribute to increasing soil microbial diversity, pollutant degradation, stabilizing soil structure, participating in nutrient dynamics, bio-geochemical cycles, enhancing soil fertility, and crop growth. This review provides an in-depth analysis of pollutant degradation, salt-tolerating mechanisms, and plant-soil-microbe interaction and offers a holistic perspective on their potential for soil restoration.
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Affiliation(s)
- Ravichandran Arthi
- Department of Environmental Science, Tamil Nadu Agricultural University, Coimbatore, India
| | | | - Periyasamy Dhevagi
- Department of Environmental Science, Tamil Nadu Agricultural University, Coimbatore, India
| | - Ponnusamy Janaki
- Nammazhvar Organic Farming Research Centre, Tamil Nadu Agricultural University, Coimbatore, India
| | - Rathinasamy Parimaladevi
- Department of Bioenergy, Agrl. Engineering College & Research Institute, Tamil Nadu Agricultural University, Coimbatore, India
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Mustafa G, Zahid MT, Kurade MB, Alvi A, Ullah F, Yadav N, Park HK, Khan MA, Jeon BH. Microalgal and activated sludge processing for biodegradation of textile dyes. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2024; 349:123902. [PMID: 38580061 DOI: 10.1016/j.envpol.2024.123902] [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: 01/03/2024] [Revised: 03/25/2024] [Accepted: 03/28/2024] [Indexed: 04/07/2024]
Abstract
The textile industry contributes substantially to water pollution. To investigate bioremediation of dye-containing wastewater, the decolorization and biotransformation of three textile azo dyes, Red HE8B, Reactive Green 27, and Acid Blue 29, were considered using an integrated remediation approach involving the microalga Chlamydomonas mexicana and activated sludge (ACS). At a 5 mg L-1 dye concentration, using C. mexicana and ACS alone, decolorization percentages of 39%-64% and 52%-54%, respectively, were obtained. In comparison, decolorization percentages of 75%-79% were obtained using a consortium of C. mexicana and ACS. The same trend was observed for the decolorization of dyes at higher concentrations, but the potential for decolorization was low. The toxic azo dyes adversely affect the growth of microalgae and at high concentration 50 mg L-1 the growth rate inhibited to 50-60% as compared to the control. The natural textile wastewater was also treated with the same pattern and got promising results of decolorization (90%). Moreover, the removal of BOD (82%), COD (72%), TN (64%), and TP (63%) was observed with the consortium. The HPLC and GC-MS confirm dye biotransformation, revealing the emergence of new peaks and the generation of multiple metabolites with more superficial structures, such as N-hydroxy-aniline, naphthalene-1-ol, and sodium hydroxy naphthalene. This analysis demonstrates the potential of the C. mexicana and ACS consortium for efficient, eco-friendly bioremediation of textile azo dyes.
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Affiliation(s)
- Ghulam Mustafa
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Muhammad Tariq Zahid
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul, 04763, South Korea; Department of Zoology, Government College University Lahore, Lahore, 54000, Pakistan
| | - Mayur Bharat Kurade
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Aliya Alvi
- Department of Chemistry, Lahore College for Women University, Lahore, 54000, Pakistan
| | - Faheem Ullah
- Department of Zoology, Government College University Lahore, Lahore, 54000, Pakistan
| | - Nikita Yadav
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul, 04763, South Korea
| | - Hyun-Kyung Park
- Department of Pediatrics, Hanyang University College of Medicine, Seoul, 04763, Republic of Korea
| | - Moonis Ali Khan
- Chemistry Department, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul, 04763, South Korea.
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Edebali Ö, Krupčíková S, Goellner A, Vrana B, Muz M, Melymuk L. Tracking Aromatic Amines from Sources to Surface Waters. ENVIRONMENTAL SCIENCE & TECHNOLOGY LETTERS 2024; 11:397-409. [PMID: 38765463 PMCID: PMC11097632 DOI: 10.1021/acs.estlett.4c00032] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 03/23/2024] [Accepted: 03/26/2024] [Indexed: 05/22/2024]
Abstract
This review examines the environmental occurrence and fate of aromatic amines (AAs), a group of environmental contaminants with possible carcinogenic and mutagenic effects. AAs are known to be partially responsible for the genotoxic traits of industrial wastewater (WW), and AA antioxidants are acutely toxic to some aquatic organisms. Still, there are gaps in the available data on sources, occurrence, transport, and fate in domestic WW and indoor environments, which complicate the prevention of adverse effects in aquatic ecosystems. We review key domestic sources of these compounds, including cigarette smoke and grilled protein-rich foods, and their presence indoors and in aquatic matrices. This provides a basis to evaluate the importance of nonindustrial sources to the overall environmental burden of AAs. Appropriate sampling techniques for AAs are described, including copper-phthalocyanine trisulfonate materials, XAD resins in solid-phase extraction, and solid-phase microextraction methods, which can offer insights into AA sources, transport, and fate. Further discussion is provided on potential progress in the research of AAs and their behavior in an aim to support the development of a more comprehensive understanding of their effects and potential environmental risks.
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Affiliation(s)
- Özge Edebali
- RECETOX,
Masaryk University, Faculty of Science, Kotlářská 2, 611 37 Brno, Czechia
| | - Simona Krupčíková
- RECETOX,
Masaryk University, Faculty of Science, Kotlářská 2, 611 37 Brno, Czechia
| | - Anna Goellner
- UFZ
Helmholtz Centre for Environmental Research, Department of Effect Directed Analysis, Permoserstr. 15, 04318 Leipzig, Germany
| | - Branislav Vrana
- RECETOX,
Masaryk University, Faculty of Science, Kotlářská 2, 611 37 Brno, Czechia
| | - Melis Muz
- UFZ
Helmholtz Centre for Environmental Research, Department of Effect Directed Analysis, Permoserstr. 15, 04318 Leipzig, Germany
| | - Lisa Melymuk
- RECETOX,
Masaryk University, Faculty of Science, Kotlářská 2, 611 37 Brno, Czechia
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Zhang S, Feng L, Han Y, Xu Z, Xu L, An X, Zhang Q. Revealing the degrading-possibility of methyl red by two azoreductases of Anoxybacillus sp. PDR2 based on molecular docking. CHEMOSPHERE 2024; 351:141173. [PMID: 38232904 DOI: 10.1016/j.chemosphere.2024.141173] [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: 07/04/2023] [Revised: 10/27/2023] [Accepted: 01/08/2024] [Indexed: 01/19/2024]
Abstract
Azo dyes, as the most widely used synthetic dyes, are considered to be one of the culprits of water resources and environmental pollution. Anoxybacillus sp. PDR2 is a thermophilic bacterium with the ability to degrade azo dyes, whose genome contains two genes encoding azoreductases (named AzoPDR2-1 and AzoPDR2-2). In this study, through response surface methodology (RSM), when the initial pH, inoculation volume and Mg2+ addition amount were 7.18, 10.72% and 0.1 g/L respectively, the decolorization rate of methyl red (MR) (200 mg/L) could reach its maximum (98.8%). The metabolites after biodegradation were detected by UV-Vis spectroscopy, Fourier transform infrared spectroscopy (FTIR), and liquid chromatography mass spectrometry (LC-MS/MS), indicating that MR was successfully decomposed into 4-aminobenzoic acid and other small substrates. In homologous modeling, it was found that both azoreductases were flavin-dependent azoreductases, and belonged to the α/β structure, using the Rossmann fold. In their docking results with the cofactor flavin mononucleotide (FMN), FMN bound to the surface of the protein dimer. Nicotinamide adenine dinucleotide (NADH) was superimposed on the plane of the pyrazine ring between FMN and the activity pocket of protein. Besides, both azoreductase complexes (azoreductase-FMN-NADH) exhibited a substrate preference for MR. Asn104 and Tyr74 played an important role in the combination of the azoreductase AzoPDR2-1 complex and the azoreductase AzoPDR2-2 complex with MR, respectively. This provided assistance for studying the mechanism of azoreductase biodegradation of azo dyes in thermophilic bacteria.
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Affiliation(s)
- Shulin Zhang
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi Engineering Laboratory for the Development and Utilization of Agricultural Microbial Resources, Nanchang, 330045, PR China
| | - Linlin Feng
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi Engineering Laboratory for the Development and Utilization of Agricultural Microbial Resources, Nanchang, 330045, PR China
| | - Yanyan Han
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi Engineering Laboratory for the Development and Utilization of Agricultural Microbial Resources, Nanchang, 330045, PR China
| | - Zihang Xu
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi Engineering Laboratory for the Development and Utilization of Agricultural Microbial Resources, Nanchang, 330045, PR China
| | - Luhui Xu
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi Engineering Laboratory for the Development and Utilization of Agricultural Microbial Resources, Nanchang, 330045, PR China
| | - Xuejiao An
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi Engineering Laboratory for the Development and Utilization of Agricultural Microbial Resources, Nanchang, 330045, PR China
| | - Qinghua Zhang
- College of Bioscience and Bioengineering, Jiangxi Agricultural University, Jiangxi Engineering Laboratory for the Development and Utilization of Agricultural Microbial Resources, Nanchang, 330045, PR China.
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Mukherjee P, Sharma RS, Rawat D, Sharma U, Karmakar S, Yadav A, Mishra V. Microbial communities drive flux of acid orange 7 and crystal violet dyes in water-sediment system. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 351:119699. [PMID: 38070426 DOI: 10.1016/j.jenvman.2023.119699] [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: 09/22/2023] [Revised: 11/21/2023] [Accepted: 11/21/2023] [Indexed: 01/14/2024]
Abstract
Unchecked dye effluent discharge poses escalating environmental and economic concerns, especially in developing nations. While dyes are well-recognized water pollutants, the mechanisms of their environmental spread are least understood. Therefore, the present study examines the partitioning of Acid Orange 7 (AO7) and Crystal Violet (CV) dyes using water-sediment microcosms and reports that native microbes significantly affect AO7 decolorization and transfer. Both dyes transition from infused to pristine matrices, reaching equilibrium in a fortnight. While microbes influence CV partitioning, their role in decolorization is minimal, emphasizing their varied impact on the environmental fate of dyes. Metagenomic analyses reveal contrasting microbial composition between control and AO7-infused samples. Control water samples displayed a dominance of Proteobacteria (62%), Firmicutes (24%), and Bacteroidetes (9%). However, AO7 exposure led to Proteobacteria reducing to 57% and Bacteroidetes to 3%, with Firmicutes increasing to 34%. Sediment samples, primarily comprising Firmicutes (47%) and Proteobacteria (39%), shifted post-AO7 exposure: Proteobacteria increased to 53%, and Firmicutes dropped to 38%. At the genus level, water samples dominated by Niveispirillum (34%) declined after AO7 exposure, while Bacillus and Pseudomonas increased. Notably, Serratia and Sphingomonas, known for azo dye degradation, rose post-exposure, hinting at their role in AO7 decolorization. Conversely, sediment samples showed a decrease in the growth of Bacillus and an increase in that of Pseudomonas and Serratia. These findings emphasize the significant role of microbial communities in determining the environmental fate of dyes, providing insights on its environmental implications and management.
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Affiliation(s)
- Paromita Mukherjee
- Bioresources and Environmental Biotechnology Laboratory, Department of Environmental Studies, University of Delhi, Delhi, 110 007, India
| | - Radhey Shyam Sharma
- Bioresources and Environmental Biotechnology Laboratory, Department of Environmental Studies, University of Delhi, Delhi, 110 007, India; Delhi School of Climate Change & Sustainability, Institute of Eminence, University of Delhi, Delhi, 110007, India.
| | - Deepak Rawat
- Bioresources and Environmental Biotechnology Laboratory, Department of Environmental Studies, University of Delhi, Delhi, 110 007, India; Department of Environmental Studies, Janki Devi Memorial College (University of Delhi), New Delhi, 110060, India
| | - Udita Sharma
- Bioresources and Environmental Biotechnology Laboratory, Department of Environmental Studies, University of Delhi, Delhi, 110 007, India
| | - Swagata Karmakar
- Department of Environmental Studies, Ram Lal Anand College, Benito Juarez Marg, South Campus, New Delhi-110021, India
| | - Archana Yadav
- Bioresources and Environmental Biotechnology Laboratory, Department of Environmental Studies, University of Delhi, Delhi, 110 007, India
| | - Vandana Mishra
- Bioresources and Environmental Biotechnology Laboratory, Department of Environmental Studies, University of Delhi, Delhi, 110 007, India; Centre for Interdisciplinary Studies on Mountain & Hill Environment (CISMHE), University of Delhi, Delhi, 110007, India; Biodiversity Parks, University of Delhi- Delhi Development Authority Programme, Delhi, 110007, India.
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18
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De Mol ML, Vandamme EJ. Arts, cultural heritage, sciences, and micro-/bio-/technology: Impact of biomaterials and biocolorants from antiquity till today! J Ind Microbiol Biotechnol 2024; 51:kuae049. [PMID: 39656876 DOI: 10.1093/jimb/kuae049] [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: 09/23/2024] [Accepted: 12/03/2024] [Indexed: 12/17/2024]
Abstract
Nature has inspired and provided humans with ideas, concepts, and thoughts on design, art, and performance for millennia. From early societies when humankind often took shelter in caves, until today, many materials and colorants to express feelings or communicate with one another were derived from plants, animals, or microbes. In this manuscript, an overview of these natural products used in the creation of art is given, from paintings on rocks to fashionable dresses made from bacterial cellulose. Besides offering many examples of art works, the origin and application of various biomaterials and colorants are discussed. While many facets of our daily lives have changed over millennia, one certainty has been that humans have an intrinsic need to conceptualize and create to express themselves. Driven by technological advances in the past decades and in the light of global warming, new and often more sustainable materials and colorants have been discovered and implemented. The impact of art on human societies remains relevant and powerful. ONE-SENTENCE SUMMARY This manuscript discusses the use of biomaterials and biocolorants in art from a historical perspective, spanning 37,000 bc until today.
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Affiliation(s)
- Maarten L De Mol
- Centre for Industrial Biotechnology and Biocatalysis (InBio.be), Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
| | - Erick J Vandamme
- Centre for Industrial Biotechnology and Biocatalysis (InBio.be), Department of Biotechnology, Faculty of Bioscience Engineering, Ghent University, Coupure Links 653, 9000 Ghent, Belgium
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Borthakur S, Das R, Basyach P, Sonowal K, Saikia L. Highly efficient visible-light induced N-doped ZnO@g-C 3N 4 and S-doped ZnO@g-C 3N 4 photocatalysts for environmental remediation. RSC Adv 2024; 14:1156-1168. [PMID: 38174257 PMCID: PMC10762517 DOI: 10.1039/d3ra06488c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 11/30/2023] [Indexed: 01/05/2024] Open
Abstract
Facile, cost-effective and eco-friendly synthesis of N-doped ZnO@g-C3N4 and S-doped ZnO@g-C3N4 photocatalysts towards efficient degradation of environmental pollutants was achieved. The as-synthesized 2 wt% N-doped ZnO@g-C3N4 and 2 wt% S-doped ZnO@g-C3N4 achieved 96.2% and 90.4% degradation efficiencies towards crystal violet (100 ppm) within 45 min irradiation and 99.3% and 92.3% photocatalytic degradation efficiencies towards brilliant green (100 ppm) dye within 30 min irradiation, respectively, under a normal 90 W LED light instead of an expensive commercial light source. Moreover, the N-doped ZnO@g-C3N4 and S-doped ZnO@g-C3N4 nanocomposites showed excellent stability in the photodegradation of crystal violet and brilliant green dyes. The modification made on ZnO by doping with nitrogen and sulphur enhances the visible-light absorption as well as the separation of photoexcited charge carriers. The active radicals ˙OH and ˙O2- are both identified to play important roles in the photodegradation of crystal violet and brilliant green.
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Affiliation(s)
- Sukanya Borthakur
- Advanced Materials Group, Materials Sciences and Technology Division, CSIR-North East Institute of Science and Technology Jorhat 785006 Assam India +91 0376 2370011 +91 9957031635
- Academy of Scientific and Innovative Research Ghaziabad UP 201002 India
| | - Riya Das
- Advanced Materials Group, Materials Sciences and Technology Division, CSIR-North East Institute of Science and Technology Jorhat 785006 Assam India +91 0376 2370011 +91 9957031635
| | - Purashri Basyach
- Advanced Materials Group, Materials Sciences and Technology Division, CSIR-North East Institute of Science and Technology Jorhat 785006 Assam India +91 0376 2370011 +91 9957031635
- Academy of Scientific and Innovative Research Ghaziabad UP 201002 India
| | - Karanika Sonowal
- Advanced Materials Group, Materials Sciences and Technology Division, CSIR-North East Institute of Science and Technology Jorhat 785006 Assam India +91 0376 2370011 +91 9957031635
- Academy of Scientific and Innovative Research Ghaziabad UP 201002 India
| | - Lakshi Saikia
- Advanced Materials Group, Materials Sciences and Technology Division, CSIR-North East Institute of Science and Technology Jorhat 785006 Assam India +91 0376 2370011 +91 9957031635
- Academy of Scientific and Innovative Research Ghaziabad UP 201002 India
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Yu J, Yang Y, Sun F, Chen J. Research status and prospect of nano silver (Ag)-modified photocatalytic materials for degradation of organic pollutants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:191-214. [PMID: 38049687 DOI: 10.1007/s11356-023-31166-4] [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: 09/21/2023] [Accepted: 11/17/2023] [Indexed: 12/06/2023]
Abstract
Nano silver (Ag) was metallic Ag monomers with particle size to the nanoscale. Photocatalyst was a kind of semiconductor material with photocatalytic function. Loading precious metal Ag onto semiconductor surfaces by microwave, laser-induced, solvent-thermal and hydrothermal methods could capture photogenerated electrons, reduced the compounding rate of holes and photogenerated electrons during the photocatalytic process, thereby improving the electron transfer efficiency of photocatalysis and enhancing the absorption of visible light by silver nanoparticles through the plasma resonance effect. The highly reactive free radicals produced by photocatalysts were used in the organic degradation process to degrade organic matter into inorganic matter and was a faster, more efficient and less polluting method of pollutant degradation, which has attracted a lot of attention from researchers. This review discussed the modification of various types of photocatalysts by nano Ag through different methods. The photocatalytic degradation of dyes, antibiotics and persistent organic pollutants by different modified composites was also analyzed. This review covered the several ways and means in which nano Ag has modified diverse photocatalytic materials as well as the photocatalytic degradation of dyes, antibiotics and persistent organic pollutants. This review identified the drawbacks of the existing nano Ag-modified photocatalytic materials, including their low yield and lack of recyclability, and it also offered suggestions for potential future directions for their improvement. The purpose of this review was to further research on the technology of nano Ag-modified photocatalytic materials and to encourage the creation of new modified photocatalytic nanomaterials for the treatment of organic pollutant degradation.
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Affiliation(s)
- Jingjing Yu
- School of Life Sciences, Qufu Normal University, Qufu, 273165, People's Republic of China
| | - Yuewei Yang
- School of Life Sciences, Qufu Normal University, Qufu, 273165, People's Republic of China
| | - Fengfei Sun
- School of Life Sciences, Qufu Normal University, Qufu, 273165, People's Republic of China
| | - Junfeng Chen
- School of Life Sciences, Qufu Normal University, Qufu, 273165, People's Republic of China.
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21
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Wu W, Li P, Wang M, Liu H, Zhao X, Wu C, Ren J. Comprehensive Evaluation of Polyaniline-Doped Lignosulfonate in Adsorbing Dye and Heavy Metal Ions. Int J Mol Sci 2023; 25:133. [PMID: 38203303 PMCID: PMC10779345 DOI: 10.3390/ijms25010133] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Revised: 12/14/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
Lignosulfonate/polyaniline (LS/PANI) nanocomposite adsorbent materials were prepared by the chemical polymerization of lignosulfonate with an aniline monomer as a dopant and structure-directing agent, and the adsorption behavior of dyes as well as heavy metal ions was investigated. LS/PANI composites were used as dye adsorbents for the removal of different cationic dyes (malachite green, methylene blue, and crystal violet). The adsorption behavior of LS/PANI composites as dye adsorbents for malachite green was investigated by examining the effects of the adsorbent dosage, solution pH, initial concentration of dye, adsorption time, and temperature on the adsorption properties of this dye. The following conclusions were obtained. The optimum adsorption conditions for the removal of malachite green dye when LS/PANI composites were used as malachite green dye adsorbents were as follows: an adsorbent dosage of 20 mg, an initial concentration of the dye of 250 mg/L, an adsorption time of 300 min, and a temperature of 358 K. The LS/PANI composite adsorbed malachite green dye in accordance with the Langmuir adsorption model and pseudo-second-order kinetic model, which belongs to chemisorption-based monomolecular adsorption, and the equilibrium adsorption amount was 245.75 mg/g. In particular, the adsorption of heavy metal ion Pb2+ was investigated, and the removal performance was also favorable for Pb2+.
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Affiliation(s)
- Wenjuan Wu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China; (P.L.)
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China (J.R.)
| | - Penghui Li
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China; (P.L.)
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China (J.R.)
| | - Mingkang Wang
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China (J.R.)
| | - Huijun Liu
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, China;
| | - Xiufu Zhao
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China (J.R.)
| | - Caiwen Wu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, Nanjing Forestry University, Nanjing 210037, China; (P.L.)
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China (J.R.)
| | - Jianpeng Ren
- College of Light Industry and Food Engineering, Nanjing Forestry University, Nanjing 210037, China (J.R.)
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Tahir S, Zahid M, Hanif MA, Javed MY. g-C 3N 4/graphene oxide/SnFe 2O 4 ternary composite for the effective sunlight-driven photocatalytic degradation of methylene blue. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:125540-125558. [PMID: 37999848 DOI: 10.1007/s11356-023-31096-1] [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: 06/09/2023] [Accepted: 11/14/2023] [Indexed: 11/25/2023]
Abstract
A broadly used dye, methylene blue (MB), adversely impacts human health and water resources, which triggers efficient methods for its elimination. Semiconductor-based heterogeneous photocatalysis is an environmentally friendly approach that effectively degrades organic pollutants. The purpose of the current work is to elucidate and validate the application of a promising g-C3N4/GO/SnFe2O4 (CGS) composite for the environmental remediation of methylene blue dye. The ternary CGS composite has been synthesized using a solvothermal approach. The fabricated composites were analyzed through FTIR, XRD, SEM/EDX, UV-VIS spectroscopy, TEM, and XPS. The photoactivity of composites and affecting parameters (pH, H2O2 dosage, composite amount, initial dye concentration, and irradiation time) were observed in sunlight illumination. The optimal conditions for photocatalytic degradation were pH = 5, photocatalyst dosage = 30 mg/100 mL, H2O2 dosage = 6 mM, and initial dye concentration (IDC) of 10 ppm employing ternary CGS composite, and MB dye was degraded effectively within 1 h. Ninety-eight percent degradation efficacy was attained by employing ternary CGS composite under the optimized conditions. Scavenging analysis suggested that •OH radicals were the key reactive oxygen species (ROS) responsible for the photodegradation of MB dye. Furthermore, the CGS nanocomposite exhibited outstanding recyclability of 84% after five consecutive runs, demonstrating its potential for use in practical applications, particularly pollutant removal.
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Affiliation(s)
- Suman Tahir
- Department of Chemistry, University of Agriculture, Faisalabad, 38040, Pakistan
| | - Muhammad Zahid
- Department of Chemistry, University of Agriculture, Faisalabad, 38040, Pakistan.
| | - Muhammad Asif Hanif
- Department of Chemistry, University of Agriculture, Faisalabad, 38040, Pakistan
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23
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Pay R, Sharrock AV, Elder R, Maré A, Bracegirdle J, Torres D, Malone N, Vorster J, Kelly L, Ryan A, Josephy PD, Allen-Vercoe E, Ackerley DF, Keyzers RA, Harvey JE. Preparation, analysis and toxicity characterisation of the redox metabolites of the azo food dye tartrazine. Food Chem Toxicol 2023; 182:114193. [PMID: 37980979 DOI: 10.1016/j.fct.2023.114193] [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: 09/02/2023] [Revised: 10/30/2023] [Accepted: 11/12/2023] [Indexed: 11/21/2023]
Abstract
Tartrazine (E102, FD&C Yellow 5) is a vibrant yellow azo dye added to many processed foods. The safety of this ubiquitous chemical has not been fully elucidated, and it has been linked to allergic reactions and ADHD in some individuals. In our study, bacterial species isolated from human stool decolourised tartrazine and, upon exposure to air, a purple compound formed. Tartrazine is known to undergo reduction in the gut to sulfanilic acid and 4-amino-3-carboxy-5-hydroxy-1-(4-sulfophenyl)pyrazole (SCAP). These metabolites and their derivatives are relevant to the toxicology of tartrazine. The toxicity of sulfanilic acid has been studied before, but the oxidative instability of SCAP has previously prevented full characterisation. We have verified the chemical identity of SCAP and confirmed that the purple-coloured oxidation derivative is 4-(3-carboxy-5-hydroxy-1-(4-sulfophenyl)-1H-pyrazol-4-yl)imino-5-oxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid (purpurazoic acid, PPA), as proposed by Westöö in 1965. A yellow derivative of SCAP is proposed to be the hydrolysed oxidation product, 4,5-dioxo-1-(4-sulfophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylic acid. SCAP and PPA are moderately toxic to human cells (IC50 89 and 78 μM against HEK-293, respectively), but had no apparent effect on Escherichia coli and Bacillus subtilis bacteria. These results prompt further analyses of the toxicology of tartrazine and its derivatives.
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Affiliation(s)
- Ruth Pay
- School of Chemical and Physical Sciences, Centre for Biodiscovery, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand
| | - Abigail V Sharrock
- School of Biological Sciences, Centre for Biodiscovery, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand
| | - Riley Elder
- Department of Molecular and Cellular Biology, University of Guelph, 50 Stone Road East, Guelph, Ontario, N1G 2W1, Canada
| | - Alaigne Maré
- School of Chemical and Physical Sciences, Centre for Biodiscovery, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand
| | - Joe Bracegirdle
- School of Chemical and Physical Sciences, Centre for Biodiscovery, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand
| | - Dan Torres
- School of Chemical and Physical Sciences, Centre for Biodiscovery, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand
| | - Niall Malone
- School of Chemical and Physical Sciences, Centre for Biodiscovery, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand
| | - Jan Vorster
- School of Chemical and Physical Sciences, Centre for Biodiscovery, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand
| | - Libusha Kelly
- Albert Einstein College of Medicine, 1301 Morris Park Avenue, Bronx, NY, 10461, USA
| | - Ali Ryan
- Department of Biology, University of Northumbria, Newcastle upon Tyne, NE1 8ST, UK
| | - P David Josephy
- Department of Molecular and Cellular Biology, University of Guelph, 50 Stone Road East, Guelph, Ontario, N1G 2W1, Canada
| | - Emma Allen-Vercoe
- Department of Molecular and Cellular Biology, University of Guelph, 50 Stone Road East, Guelph, Ontario, N1G 2W1, Canada
| | - David F Ackerley
- School of Biological Sciences, Centre for Biodiscovery, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand
| | - Robert A Keyzers
- School of Chemical and Physical Sciences, Centre for Biodiscovery, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand
| | - Joanne E Harvey
- School of Chemical and Physical Sciences, Centre for Biodiscovery, Victoria University of Wellington, PO Box 600, Wellington, 6140, New Zealand.
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24
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Nguyen MB, Lan PT, Anh NT, Tung NN, Guan S, Ting VP, Nguyen TTB, Doan HV, Tung MT, Lam TD. Ternary heterogeneous Z-scheme photocatalyst TiO 2/CuInS 2/OCN incorporated with carbon quantum dots (CQDs) for enhanced photocatalytic degradation efficiency of reactive yellow 145 dye in water. RSC Adv 2023; 13:35339-35348. [PMID: 38058561 PMCID: PMC10696411 DOI: 10.1039/d3ra07546j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Accepted: 11/24/2023] [Indexed: 12/08/2023] Open
Abstract
This study delves into the advanced integration of a ternary heterogeneous Z-scheme photocatalyst, TiO2/CuInS2/OCN (OCN: O-g-C3N4), with carbon quantum dot (CQD) to improve the degradation efficiency of reactive yellow 145 (RY145) dye in water. Through a systematic examination, we elucidated the photocatalytic mechanisms and the role of radicals, electrons, and holes in the treatment process. Our findings revealed that this novel catalyst integration significantly boosted RY145 degradation efficiency, achieving 98.2%, which is markedly higher than the efficiencies which could be achieved using TiO2/CuInS2/OCN alone. Moreover, the TiO2/CuInS2/OCN/CQD photocatalyst demonstrated superior rate performance over its components. Comprehensive evaluations, including photoelectrochemical and radical tests, further confirmed the efficiency of the integrated system, adhering to Z-scheme principles. The catalyst showcased remarkable stability, with over 94% reusability after five reaction cycles. These findings pave the way for the potential use of the TiO2/CuInS2/OCN/CQD photocatalyst as an innovative solution for water pollutant treatment via photocatalytic technology.
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Affiliation(s)
- Manh B Nguyen
- Institute of Chemistry (ICH), Vietnam Academy of Science and Technology 18 Hoang Quoc Viet Street, Cau Giay Hanoi Vietnam
- Graduate University of Science and Technology (GUST), Vietnam Academy of Science and Technology 18 Hoang Quoc Viet Street, Cau Giay Hanoi Vietnam
| | - Pham Thi Lan
- Institute for Tropical Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
| | - Nguyen Tuan Anh
- Institute for Tropical Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
| | - Nguyen Ngoc Tung
- Center for Research and Technology Transfer, Vietnam Academy of Science and Technology (VAST) 18 Hoang Quoc Viet Street, Cau Giay Ha Noi Vietnam
| | - Shaoliang Guan
- School of Chemistry, Cardiff University Cardiff CF10 3AT UK
- HarwellXPS, Research Complex at Harwell, Rutherford Appleton Laboratory Didcot OX11 0FA UK
- Institute of Physics, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Viet Nam
| | - Valeska P Ting
- Research School of Chemistry, The Australian National University AT 2601 Canberra Australia
- College of Engineering, Computing and Cybernetics, The Australian National University ACT 2601 Canberra Australia
| | - T-Thanh-Bao Nguyen
- Hanoi University of Science and Technology 1 Dai Co Viet, Bach Khoa, Hai Ba Trung Hanoi Vietnam
| | - Huan V Doan
- Research School of Chemistry, The Australian National University AT 2601 Canberra Australia
| | - Mai Thanh Tung
- Hanoi University of Science and Technology 1 Dai Co Viet, Bach Khoa, Hai Ba Trung Hanoi Vietnam
| | - Tran Dai Lam
- Institute for Tropical Technology, Vietnam Academy of Science and Technology 18 Hoang Quoc Viet, Cau Giay Hanoi Vietnam
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Martínez-Castillo L, González-Ramírez C, Cortazar-Martínez A, González-Reyes J, Otazo-Sánchez E, Villagómez-Ibarra J, Velázquez-Jiménez R, Vázquez-Cuevas G, Madariaga-Navarrete A, Acevedo-Sandoval O, Romo-Gómez C. Mathematical modeling for operative improvement of the decoloration of Acid Red 27 by a novel microbial consortium of Trametes versicolor and Pseudomonas putida: A multivariate sensitivity analysis. Heliyon 2023; 9:e21793. [PMID: 38027625 PMCID: PMC10661207 DOI: 10.1016/j.heliyon.2023.e21793] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2023] [Revised: 10/14/2023] [Accepted: 10/28/2023] [Indexed: 12/01/2023] Open
Abstract
In this work, it is presented a first approach of a mathematical and kinetic analysis for improving the decoloration and further degradation process of an azo dye named acid red 27 (AR27), by means of a novel microbial consortium formed by the fungus Trametes versicolor and the bacterium Pseudomonas putida. A multivariate analysis was carried out by simulating scenarios with different operating conditions and developing a specific mathematical model based on kinetic equations describing all stages of the biological process, from microbial growth and substrate consuming to decoloration and degradation of intermediate compounds. Additionally, a sensitivity analysis was performed by using a factorial design and the Response Surface Method (RSM), for determining individual and interactive effects of variables like, initial glucose concentration, initial dye concentration and the moment in time for bacterial inoculation, on response variables assessed in terms of the minimum time for: full decoloration of AR27 (R1 = 2.375 days); maximum production of aromatic metabolites (R2 = 1.575 days); and full depletion of aromatic metabolites (R3 = 12.9 days). Using RSM the following conditions improved the biological process, being: an initial glucose concentration of 20 g l-1, an initial AR27 concentration of 0.2 g l-1 and an inoculation moment in time of P. putida at day 1. The mathematical model is a feasible tool for describing AR27 decoloration and its further degradation by the microbial consortium of T. versicolor and P. putida, this model will also work as a mathematical basis for designing novel bio-reaction systems than can operate with the same principle of the described consortium.
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Affiliation(s)
- L.A. Martínez-Castillo
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Instituto de Ciencias Básicas e Ingeniería, Carr. Pachuca-Tulancingo km. 4.5, Col. Carboneras, Mineral de la Reforma, Hidalgo, C.P. 42184, Mexico
| | - C.A. González-Ramírez
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Instituto de Ciencias Básicas e Ingeniería, Carr. Pachuca-Tulancingo km. 4.5, Col. Carboneras, Mineral de la Reforma, Hidalgo, C.P. 42184, Mexico
| | - A. Cortazar-Martínez
- Universidad Autónoma del Estado de Hidalgo, Escuela Superior de Apan, Carr. Apan-Calpulalpan, S/N, Col. Chimalpa Tlalayote, Apan, Hidalgo, C.P. 43920, Mexico
| | - J.R. González-Reyes
- Investigación Aplicada al Bienestar Social y Ambiental (INABISA), A.C., Río Papagayo S/N, Col. Amp. El Palmar, Pachuca, Hidalgo, C.P. 42088, Mexico
| | - E.M. Otazo-Sánchez
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Instituto de Ciencias Básicas e Ingeniería, Carr. Pachuca-Tulancingo km. 4.5, Col. Carboneras, Mineral de la Reforma, Hidalgo, C.P. 42184, Mexico
| | - J.R. Villagómez-Ibarra
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Instituto de Ciencias Básicas e Ingeniería, Carr. Pachuca-Tulancingo km. 4.5, Col. Carboneras, Mineral de la Reforma, Hidalgo, C.P. 42184, Mexico
| | - R. Velázquez-Jiménez
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Instituto de Ciencias Básicas e Ingeniería, Carr. Pachuca-Tulancingo km. 4.5, Col. Carboneras, Mineral de la Reforma, Hidalgo, C.P. 42184, Mexico
| | - G.M. Vázquez-Cuevas
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Instituto de Ciencias Básicas e Ingeniería, Carr. Pachuca-Tulancingo km. 4.5, Col. Carboneras, Mineral de la Reforma, Hidalgo, C.P. 42184, Mexico
| | - A. Madariaga-Navarrete
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Ciencias Agrícolas y Forestales, Instituto de Ciencias Agropecuarias, Carr. Tulancingo-Santiago Tulantepec S/N, Tulancingo, Hidalgo, C.P. 43600, Mexico
| | - O.A. Acevedo-Sandoval
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Instituto de Ciencias Básicas e Ingeniería, Carr. Pachuca-Tulancingo km. 4.5, Col. Carboneras, Mineral de la Reforma, Hidalgo, C.P. 42184, Mexico
| | - C. Romo-Gómez
- Universidad Autónoma del Estado de Hidalgo, Área Académica de Química, Instituto de Ciencias Básicas e Ingeniería, Carr. Pachuca-Tulancingo km. 4.5, Col. Carboneras, Mineral de la Reforma, Hidalgo, C.P. 42184, Mexico
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26
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Das S, Cherwoo L, Singh R. Decoding dye degradation: Microbial remediation of textile industry effluents. BIOTECHNOLOGY NOTES (AMSTERDAM, NETHERLANDS) 2023; 4:64-76. [PMID: 39416919 PMCID: PMC11446375 DOI: 10.1016/j.biotno.2023.10.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 09/22/2023] [Accepted: 10/22/2023] [Indexed: 10/19/2024]
Abstract
The extensive use of chemical dyes, primarily Azo and anthraquinone dyes, in textiles has resulted in their alarming release into the environment by textile industries. The introduction of heavy metals into these dyes leads to an increase in Biochemical Oxygen Demand (BOD), Chemical Oxygen Demand (COD), and water toxicity. Conventional physicochemical methods for treating textile effluents are costly and energy-intensive. Here introduction of new strategies is eminent, microbial bioremediation for the biodegradation and detoxification of these hazardous dyes, possesses as an innovative solution for the existing problem, discussed are specific groups of bacteria, fungi, and algae which could be one of the potential decolorizing agents that could replace the majority of other expensive processes in textile wastewater treatment by using enzymes like peroxidase, laccase, and azoreductase. These enzymes catalyzes chemical reactions that break down the dye molecules into less harmful substances. Additionally, novel strategies and advancements to enhance the effectiveness of these microbes and their products are comprehensively discussed.
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Affiliation(s)
- Soumyajit Das
- Department of Biotechnology, Chandigarh University, Punjab, India
| | - Lubhan Cherwoo
- CSIR- Central Scientific Instruments Organisation, Chandigarh, India
| | - Ravinder Singh
- Department of Biotechnology, Chandigarh University, Punjab, India
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27
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Wolski R, Bazan-Wozniak A, Pietrzak R. Adsorption of Methyl Red and Methylene Blue on Carbon Bioadsorbents Obtained from Biogas Plant Waste Materials. Molecules 2023; 28:6712. [PMID: 37764488 PMCID: PMC10534305 DOI: 10.3390/molecules28186712] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Revised: 09/14/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023] Open
Abstract
In this study, biocarbon was obtained from the waste material corn digest. Carbon adsorbents were obtained by physical activation of the precursor with CO2. Detailed physicochemical characterization of the biocarbon was carried out using low-temperature nitrogen adsorption/desorption, Boehm titration, zero-charge point (pHpzc) and iodine number. In addition, the sorption capacity of the biocarbon agents towards an aqueous solution of methylene blue and methyl red was determined, and the kinetics of the adsorption process were determined. The biocarbon adsorbents were characterized by an average developed specific surface area covering the range from 320 to 616 m2/g. The sorption capacity of the biocarbon adsorbents against methylene blue ranged from 40 mg/g to 146 mg/g, and for methyl red it covered the range from 31 mg/g to 113 mg/g. It was shown that the efficiency of organic dye removal by the obtained biocarbons depends on the initial concentration of the adsorbate solution, its mass, shaking rate, adsorbent-adsorbate contact time and temperature. The results obtained from the Langmuir and Freundlich kinetic models showed that the Langmuir model is the most suitable model for describing the adsorption of the studied pollutants on biocarbon. In turn, the adsorption kinetics of dyes is described according to the pseudo-second-order model. Adsorption studies also showed that as the process temperature increases, the removal efficiency of methylene blue and methyl red increases.
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Affiliation(s)
| | | | - Robert Pietrzak
- Department of Applied Chemistry, Faculty of Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614 Poznan, Poland; (R.W.); (A.B.-W.)
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28
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Rana S, Handa S, Aggarwal Y, Puri S, Chatterjee M. Role of Candida in the bioremediation of pollutants: a review. Lett Appl Microbiol 2023; 76:ovad103. [PMID: 37673682 DOI: 10.1093/lambio/ovad103] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2022] [Revised: 06/30/2023] [Accepted: 09/04/2023] [Indexed: 09/08/2023]
Abstract
The population and modernization of society have increased dramatically from past few decades. In order to meet societal expectations, there has been a massive industrialization and resource exploitation. Anthropogenic practices like disposal of hazardous waste, large carbon footprint release variety of xenobiotic substances into the environment, which endanger the health of the natural ecosystem. Therefore, discovering proper long-term treatment approaches is a global concern. Various physical and chemical approaches are employed to remove contaminants. However, these technologies possess limitations like high cost and low efficacy. Consequently, bioremediation is regarded as one of the most promising remedies to these problems. It creates the option of either totally removing pollutants or transforming them into nonhazardous compounds with the use of natural biological agents. Several microorganisms are being utilized for bioremediation among which yeasts possess benefits such as high biodegradability, ease of cultivation etc. The yeast of Candida genus has the capability to effectively eliminate heavy metal ions, as well as to degrade and emulsify hydrocarbons which makes it a promising candidate for this purpose. The review highlights many potential uses of Candida in various remediation strategies and discusses future directions for research in this field.
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Affiliation(s)
- Samriti Rana
- Biotechnology Branch, University Institute of Engineering and Technology, Panjab University, Chandigarh 160014, India
| | - Shristi Handa
- Biotechnology Branch, University Institute of Engineering and Technology, Panjab University, Chandigarh 160014, India
| | - Yadu Aggarwal
- Biotechnology Branch, University Institute of Engineering and Technology, Panjab University, Chandigarh 160014, India
| | - Sanjeev Puri
- Biotechnology Branch, University Institute of Engineering and Technology, Panjab University, Chandigarh 160014, India
| | - Mary Chatterjee
- Biotechnology Branch, University Institute of Engineering and Technology, Panjab University, Chandigarh 160014, India
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29
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Sennaj R, Dari K, Timinouni M, Benali T, Fassouane A, Harboul K, Aassila H. Evaluation of Bioremediation Potentiality of Bacillus mojavensis Isolated from Wastewater for the Elimination of Reactive Yellow 145 and Methyl Orange. Curr Microbiol 2023; 80:326. [PMID: 37610439 DOI: 10.1007/s00284-023-03435-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Accepted: 07/31/2023] [Indexed: 08/24/2023]
Abstract
Textile industry waste has become one of the largest polluters in the world. In recent years, there has been a growing awareness of the need for sustainable and eco-friendly practices for the treatment of dye-laden effluents. Overall, this study highlights the potential of bioremediation as a sustainable solution for wastewater treatment. The Bacillus mojavensis isolated from wastewater and identified using 16S rRNA degraded reactive yellow 145 and methyl orange in 36 h of incubation, this decolorization was affected by pH, temperature, dye concentration, glucose concentration, source of nitrogen, type of dye, and agitation. Our study found that the optimal conditions for total decolorization of dyes were achieved by incubating B. mojavensis at 46 °C, pH 9, with 1 g/L of glucose and 2 g/L of peptone. The azoreductase activity, FT-IR analysis, and UV-visible spectrum before and after total decolorization indicated that it was a dye degradation rather than biosorption in surface Celle. In addition, the study of phytotoxicity show the metabolites of degradation are not phytotoxic in Lens esculenta seeds. In conclusion, our results suggest the use of this bacterium as an environmentally friendly and also cost-effective method, making it an attractive option for industries looking to reduce their environmental impact.
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Affiliation(s)
- Rajaa Sennaj
- Agrofood and Health Laboratory, Faculty of Science and Technology, Hassan First University, PO Box 577, 26000, Settat, Morocco.
| | - Khadija Dari
- Agrofood and Health Laboratory, Faculty of Science and Technology, Hassan First University, PO Box 577, 26000, Settat, Morocco
| | - Mohammed Timinouni
- Laboratoire de Biotechnologie et Bioinformatique, École des Hautes Études de Biotechnologie et de Santé (EHEB), Casablanca, Morocco
| | - Taoufiq Benali
- Environment and Health Team, Polydisciplinary Faculty of Safi, Cadi Ayyad University, B.P. 4162, Sidi Bouzid, Safi, Morocco
| | | | - Kaoutar Harboul
- Natural Ressources and Environment Laboratory, Polydisciplinary Faculty of Taza, Sidi Mohamed Ben Abdellah University, Fez, Morocco
| | - Hinde Aassila
- Agrofood and Health Laboratory, Faculty of Science and Technology, Hassan First University, PO Box 577, 26000, Settat, Morocco
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30
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da Rosa DF, Macedo AJ. The genus Anoxybacillus: an emerging and versatile source of valuable biotechnological products. Extremophiles 2023; 27:22. [PMID: 37584877 DOI: 10.1007/s00792-023-01305-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2023] [Accepted: 07/14/2023] [Indexed: 08/17/2023]
Abstract
Thermophilic and alkaliphilic microorganisms are unique organisms that possess remarkable survival strategies, enabling them to thrive on a diverse range of substrates. Anoxybacillus, a genus of thermophilic and alkaliphilic bacteria, encompasses 24 species and 2 subspecies. In recent years, extensive research has unveiled the diverse array of thermostable enzymes within this relatively new genus, holding significant potential for industrial and environmental applications. The biomass of Anoxybacillus has demonstrated promising results in bioremediation techniques, while the recently discovered metabolites have exhibited potential in medicinal experiments. This review aims to provide an overview of the key experimental findings related to the biotechnological applications utilizing bacteria from the Anoxybacillus genus.
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Affiliation(s)
- Deisiane Fernanda da Rosa
- Laboratório de Diversidade Microbiana (LABDIM), Faculdade de Farmácia and Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Porto Alegre, 91501-970, Brazil
| | - Alexandre José Macedo
- Laboratório de Diversidade Microbiana (LABDIM), Faculdade de Farmácia and Centro de Biotecnologia, Universidade Federal do Rio Grande do Sul, Av. Bento Gonçalves, 9500, Porto Alegre, 91501-970, Brazil.
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31
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Chang Y, Cao C, Li Y, Yin Y, Liu Y, Li R, Zhu Y. β-CD-Induced Precipitation of Eriochrome Black T Recovered via CTAB-Assisted Foam Fractionation for Adsorption of Trace Cu(II). Molecules 2023; 28:4619. [PMID: 37375174 DOI: 10.3390/molecules28124619] [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: 05/09/2023] [Revised: 06/05/2023] [Accepted: 06/06/2023] [Indexed: 06/29/2023] Open
Abstract
In order to remove and reuse the ecotoxic dye Eriochrome black T (EBT) from dyeing wastewater, we used a process called cetyltrimethylammonium bromide (CTAB)-assisted foam fractionation. By optimizing this process with response surface methodology, we achieved an enrichment ratio of 110.3 ± 3.8 and a recovery rate of 99.1 ± 0.3%. Next, we prepared composite particles by adding β-cyclodextrin (β-CD) to the foamate obtained through foam fractionation. These particles had an average diameter of 80.9 μm, an irregular shape, and a specific surface area of 0.15 m2/g. Using these β-CD-CTAB-EBT particles, we were able to effectively remove trace amounts of Cu2+ ions (4 mg/L) from the wastewater. The adsorption of these ions followed pseudo-second-order kinetics and Langmuir isotherm models, and the maximal adsorption capacities at different temperatures were 141.4 mg/g at 298.15 K, 143.1 mg/g at 308.15 K, and 144.5 mg/g at 318.15 K. Thermodynamic analysis showed that the mechanism of Cu2+ removal via β-CD-CTAB-EBT was spontaneous and endothermic physisorption. Under the optimized conditions, we achieved a removal ratio of 95.3 ± 3.0% for Cu2+ ions, and the adsorption capacity remained at 78.3% after four reuse cycles. Overall, these results demonstrate the potential of β-CD-CTAB-EBT particles for the recovery and reuse of EBT in dyeing wastewater.
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Affiliation(s)
- Yunkang Chang
- Institute of Environmental Remediation, Dalian Maritime University, Dalian 116026, China
- School of Biological Science, Jining Medical University, Rizhao 276826, China
| | - Chengsong Cao
- School of Biological Science, Jining Medical University, Rizhao 276826, China
| | - Yuhuan Li
- School of Biological Science, Jining Medical University, Rizhao 276826, China
| | - Yitong Yin
- School of Biological Science, Jining Medical University, Rizhao 276826, China
| | - Yangjing Liu
- School of Biological Science, Jining Medical University, Rizhao 276826, China
| | - Rui Li
- School of Biological Science, Jining Medical University, Rizhao 276826, China
| | - Yimin Zhu
- Institute of Environmental Remediation, Dalian Maritime University, Dalian 116026, China
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Beigi N, Shayesteh H, Javanshir S, Hosseinzadeh M. Pyrolyzed magnetic NiO/carbon-derived nanocomposite from a hierarchical nickel-based metal-organic framework with ultrahigh adsorption capacity. ENVIRONMENTAL RESEARCH 2023; 231:116146. [PMID: 37187312 DOI: 10.1016/j.envres.2023.116146] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 04/15/2023] [Accepted: 05/13/2023] [Indexed: 05/17/2023]
Abstract
Herein, a simple one-pot solvothermal approach is used to create magnetic porous carbon nanocomposites which obtained from a nickel-based metal-organic framework (Ni-MOF) and examined for their ability to uptake methyl orange (MO) dye. Derived carbons with exceptional porosity and magnetic properties were created during the different pyrolysis temperatures of Ni-MOF (700, 800, and 900 °C) under a nitrogen atmosphere. The black powders were given the names CDM-700, CDM-800, and CDM-900 after they were obtained. A variety of analysis methods, including FESEM, EDS, XRD, FTIR, VSM, and N2 adsorption-desorption were used to characterize as-prepared powders. Furthermore, adsorbent dosage, contact time, pH variation, and initial dye concentration effects was investigated. The maximum adsorption capacities were 307.38, 5976.35, 4992.39, and 2636.54 mg/g for Ni-MOF, CDM-700, CDM-800, and CDM-900, respectively, which show the ultrahigh capacity of the resulted nanocomposites compared to newest materials. The results showed that not only the crystallinity turned but also the specific surface area was increased about four times after paralyzing. The results showed that the maximum adsorption capacity of MO dye for CDM-700 was obtained at adsorbent dosage of 0.083 g/L, contact time of 60 min, feed pH of 3, and temperature of 45 °C. The Langmuir model has the best match and suggests the adsorption process as a single layer. According to the results of reaction kinetic studies using well-known models, the pseudo-second-order model (R2 = 0.9989) displayed high agreement with the experimental data. The synthesized nanocomposite is introduced as a promising superadsorbent for eliminating dyes from contaminated water due to strong recycling performance up to the fifth cycle.
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Affiliation(s)
- Negar Beigi
- School of Civil Engineering, Iran University of Science and Technology, Narmak, Tehran, Iran
| | - Hadi Shayesteh
- School of Chemical, Petroleum and Gas Engineering, Iran University of Science and Technology, Narmak, Tehran, Iran
| | - Shahrzad Javanshir
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Chemistry Department, Iran University of Science and Technology, Narmak, Tehran, Iran
| | - Majid Hosseinzadeh
- School of Civil Engineering, Iran University of Science and Technology, Narmak, Tehran, Iran.
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Darabdhara J, Roy S, Ahmaruzzaman M. Efficient Photocatalytic Degradation of an Organic Dye by the Fabrication of A Novel Ternary Composite Based on Zeolitic Imidazolate Framework via a Facile In-situ Synthetic Approach. INORG CHEM COMMUN 2023. [DOI: 10.1016/j.inoche.2023.110694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/03/2023]
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Faryad S, Azhar U, Tahir MB, Ali W, Arif M, Sagir M. Spinach-derived boron-doped g-C 3N 4/TiO 2 composites for efficient photo-degradation of methylene blue dye. CHEMOSPHERE 2023; 320:138002. [PMID: 36731675 DOI: 10.1016/j.chemosphere.2023.138002] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 01/05/2023] [Accepted: 01/27/2023] [Indexed: 06/18/2023]
Abstract
Green synthesis of nanoparticles can be beneficial due to their low toxicity, cost-effectiveness, and environment-friendliness. Its synthesis involves the use of eco-friendly and biodegradable materials such as plant extracts, natural products, and microorganisms to reduce the negative environmental impacts of traditional nanoparticle synthesis methods. Herein, Spinacia oleracea leaves are used as a boron source, and a visible light active photo-catalyst is produced. The effect of Co-Catalyst Boron in Graphitic carbon nitride based nanocomposites for methylene blue dye photo-degradation in water is examined. Titanium dioxide (TiO2) was activated by changing the hydrogen potential value while utilizing a typical orange dye as a sensitizer. The graphitic carbon nitride/TiO2 nanocomposites were synthesized through a hydrothermal technique. To improve their performance, Boron used as a co-catalyst and B-doped g-C3N4/TiO2nanocomposites prepared through wet chemical co-percipitate mathod. UV-visible spectroscopy, SEM and FTIR spectroscopy were used to analyze the photocatalyst and boron-doped composites in detail. The photocatalytic performance of pristine photocatalyst CNTx (x = 2%,4%,6%,8%) and B-doped CNTx composites were examined for Methylene Blue degradation in the presence of a light source. The spectroscopy analysis showed that B-doped g-C3N4/TiO2 -8% nano-composites performed better than all other synthesized pristine catalysts and composites in this research. This research has demonstrated that B-doped g-C3N4/TiO2 composites can provide an ideal solution for treating polluted water using visible light as a source to activate these photocatalysts.
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Affiliation(s)
- Sadia Faryad
- Institute of Physics, Center for Innovative Material Research, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, Punjab, Pakistan
| | - Umair Azhar
- Institute of Chemical and Environmental Engineering, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, Punjab, Pakistan.
| | - Muhammad Bilal Tahir
- Institute of Physics, Center for Innovative Material Research, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, Punjab, Pakistan
| | - Wahid Ali
- Department of Chemical Engineering Technology, College of Applied Industrial Technology (CAIT), Jazan University, Kingdom of Saudi Arabia
| | - Muhammad Arif
- Institute of Chemical and Environmental Engineering, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, Punjab, Pakistan.
| | - Muhammad Sagir
- Institute of Chemical and Environmental Engineering, Khwaja Fareed University of Engineering and Information Technology, Rahim Yar Khan, Punjab, Pakistan
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Elimination of toxic azo dye using a calcium alginate beads impregnated with NiO/activated carbon: Preparation, characterization and RSM optimization. Int J Biol Macromol 2023; 233:123582. [PMID: 36764345 DOI: 10.1016/j.ijbiomac.2023.123582] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Revised: 01/20/2023] [Accepted: 02/04/2023] [Indexed: 02/11/2023]
Abstract
Nickel oxide nanoparticles supported activated carbon (AC-NiO) was fabricated using thermal activation. Then, AC-NiO composite was immobilized on alginate beads to obtain 3-dimensional network structure ALG@AC-NiO nanocomposite beads for catalytic reduction of Congo red (CR) dye. The resulting nanocomposite beads were identified by various physical techniques. The crystalline nature and dispersion of NiO nanoparticles was defined by the XRD and EDS techniques, respectively. ALG@AC-NiO beads have a Ni element content of 4.65 wt% with an average NiO particle diameter of 23 nm. The statistical approach mathematically describes the catalytic reduction of the CR dye as a function of the NaBH4 concentration, the catalyst dose and the concentration of the CR dye modeled by a BBD-RSM. According to the statistical modeling and the optimization process, the catalytic optimum conditions were obtained for NaBH4 concentration of 0.05 M, catalyst dose of 11 mg and CR dye concentration of 80 ppm who permit meet 99.67 % of CR dye conversion. The adjusted coefficient of determination (R2 = 0.9957) indicates that the considered model was quite suitable with a good correlation between the experiment and predicted.
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36
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Vaiano V, De Marco I. Removal of Azo Dyes from Wastewater through Heterogeneous Photocatalysis and Supercritical Water Oxidation. SEPARATIONS 2023. [DOI: 10.3390/separations10040230] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/29/2023] Open
Abstract
Azo dyes are synthetic organic dyes used in the textile, leather, and paper industries. They pose environmental problems due to their toxic and persistent nature. The toxicity is due to the presence of azo groups in the dye molecule that can break down into aromatic amines, which are highly toxic to aquatic organisms and humans. Various treatment methods have been developed to remove azo dyes from wastewater. Conventional wastewater treatments have some drawbacks, such as high operating costs, long processing times, generation of sludge, and the formation of toxic by-products. For these reasons, a valid alternative is constituted by advanced oxidation processes. Good results have been obtained using heterogeneous photocatalysis and supercritical water oxidation. In the former method, a photocatalyst is in contact with wastewater, a suitable light activates the catalyst, and generated reactive oxygen species that react with pollutants through oxidative reactions to their complete mineralization; the latter involves pressurizing and heating wastewater to supercritical conditions in a reactor vessel, adding an oxidizing agent to the supercritical water, and allowing the mixture to react. In this review paper, works in the literature that deal with processing wastewater containing azo dyes through photocatalysts immobilized on macroscopic supports (structured photocatalysts) and the supercritical water oxidation technique have been critically analyzed. In particular, advancement in the formulation of structured photocatalysts for the degradation of azo dyes has been shown, underlying different important features, such as the type of support for the photoactive phase, reactor configuration, and photocatalytic efficiency in terms of dye degradation and photocatalyst stability. In the case of supercritical water oxidation, the main results regarding COD and TOC removal from wastewater containing azo dyes have been reported, taking into account the reactor type, operating pressure, and temperature, as well as the reaction time.
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Jabli M, Sebeia N, El-Ghoul Y, Soury R, Al-Ghamdi YO, Saleh TA. Chemical modification of microcrystalline cellulose with polyethyleneimine and hydrazine: Characterization and evaluation of its adsorption power toward anionic dyes. Int J Biol Macromol 2023; 229:210-223. [PMID: 36592846 DOI: 10.1016/j.ijbiomac.2022.12.309] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 12/19/2022] [Accepted: 12/27/2022] [Indexed: 12/31/2022]
Abstract
Functionalization and various applications of biomaterials have progressively gained a major interest due to the cost-effectiveness, renewability, and biodegradability of these substrates. The current work focalized on the functionalization of microcrystalline cellulose with polyethyleneimine solution (3 %, 5 %, and 10 %) and hydrazine sulfate salt (1:1, 1:2, 2:1) using an impregnation method. Untreated and treated samples were characterized using FT-IR, SEM, XRD, TGA, and DTA analyses. The crystallinity index values for control microcrystalline cellulose, cellulose-polyethyleneimine, and cellulose-hydrazine were 57.13.8 %, 57.29 %, and 52.62 %, respectively. Cellulose-polyethyleneimine (5 %) and cellulose-hydrazine (1:1) displayed the highest adsorption capacities for calmagite (an anionic dye). At equilibrium, the maximum adsorption capacities for calmagite achieved 104 mg/g for cellulose-polyethyleneimine (5 %), 45 mg/g for cellulose-hydrazine (1:1), and only 12.4 mg/g for untreated cellulose. Adsorption kinetics complied well with the pseudo-second-order kinetic model. The adsorption isotherm fitted well with the Langmuir isotherm. Overall, the functionalized cellulosic samples could be considered potential materials for the treatment of contaminated waters.
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Affiliation(s)
- Mahjoub Jabli
- Department of Chemistry, College of Science Al-Zulfi, Majmaah University, Al-Majmaah 11952, Saudi Arabia; Textile Materials and Processes Research Unit, Tunisia National Engineering School of Monastir, University of Monastir, Monastir 5019, Tunisia.
| | - Nouha Sebeia
- Textile Materials and Processes Research Unit, Tunisia National Engineering School of Monastir, University of Monastir, Monastir 5019, Tunisia
| | - Yassine El-Ghoul
- Department of Chemistry, College of Science, Qassim University, Buraidah 51452, Saudi Arabia; Textile Engineering Laboratory, University of Monastir, Monastir 5019, Tunisia
| | - Raoudha Soury
- Department of Chemistry, College of Science, University of Hail, Ha'il, 81451, Saudi Arabia
| | - Youssef O Al-Ghamdi
- Department of Chemistry, College of Science Al-Zulfi, Majmaah University, Al-Majmaah 11952, Saudi Arabia
| | - Tawfik A Saleh
- Department of Chemistry, King Fahd University of Petroleum & Minerals, Dhahran 31261, Saudi Arabia
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Khodamorady M, Bahrami K. A novel ZnS-CdS nanocomposite as a visible active photocatalyst for degradation of synthetic and real wastewaters. Sci Rep 2023; 13:2177. [PMID: 36750747 PMCID: PMC9905579 DOI: 10.1038/s41598-023-28725-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Accepted: 01/23/2023] [Indexed: 02/09/2023] Open
Abstract
In this study, new magnetic nanocomposites with shell core structure with different molar ratios of ZnS-CdS were synthesized and their photocatalytic activity in dye removal from synthetic and real effluents in the presence of mercury high pressure lamp as a visible light source was investigated. Optimal photocatalyst with molar ratio of ZnS-CdS 0.25:0.75 showed the best performance in dye removal. Based on the particle distribution histogram of Fe3O4@BNPs@ZnS-CdS (ZnS/CdS: 0.25:0.75), particles with 60-100 nm have the highest abundance. According to the DRS results, hybridization of zinc sulfide with cadmium sulfide reduced the gap and as a result, light absorption was successfully extended to the visible area. The PL results confirm that the optimal photocatalyst (Fe3O4@BNPs@ZnS-CdS) has the lowest electron-hole recombination compared to Fe3O4@BNPs@ZnS and Fe3O4@BNPs@CdS. It should be noted that according to the DLS results, the charge on the optical photocomposite surface is negative at all acidic, alkaline and neutral pHs. One of the significant advantages in this study is the use of high-pressure mercury lamps as a light source, so that these lamps are very economical in terms of economy and also have a long life and excellent efficiency. The optimal photocatalyst not only showed excellent photocatalytic activity for the removal of methylene blue (96.6%) and methyl orange (70.9%) but also for the dye removal of textile effluents (Benton 98.5% and dark olive 100%). Introduced magnetic heterostructures are suitable options for dye removal from textile and spinning wastewaters.
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Affiliation(s)
- Minoo Khodamorady
- grid.412668.f0000 0000 9149 8553Department of Organic Chemistry, Faculty of Chemistry, Razi University, Kermanshah, 67144-14971 Iran
| | - Kiumars Bahrami
- Department of Organic Chemistry, Faculty of Chemistry, Razi University, Kermanshah, 67144-14971, Iran. .,Nanoscience and Nanotechnology Research Center (NNRC), Razi University, Kermanshah, 67144-14971, Iran.
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Genotoxicity and cytotoxicity of textile production effluents, before and after Bacillus subitilis bioremediation, in Astyanax lacustris (Pisces, Characidae). MUTATION RESEARCH. GENETIC TOXICOLOGY AND ENVIRONMENTAL MUTAGENESIS 2023; 886:503588. [PMID: 36868696 DOI: 10.1016/j.mrgentox.2023.503588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 01/09/2023] [Accepted: 01/14/2023] [Indexed: 01/19/2023]
Abstract
Textile effluents may be highly toxic and mutagenic. Monitoring studies are important for sustaining the aquatic ecosystems contaminated by these materials, which can cause damage to organisms and loss of biodiversity. We have evaluated the cyto- and genotoxicity of textile effluents on erythrocytes of Astyanax lacustris, before and after bioremediation by Bacillus subitilis treatment. We tested 60 fish (five treatment conditions, four fish per condition, in triplicate). Fish were exposed to contaminants for 7 days. The assays used were biomarker analysis, the micronucleus (MN) test, analysis of cellular morphological changes (CMC), and the comet assay. All concentrations of effluent tested, and the bioremediated effluent, showed damage significantly different from the controls. We conclude that water pollution assessment can be accomplished with these biomarkers. Biodegradation of the textile effluent was only partial, indicating the need for more thorough bioremediation to effect complete neutralization of toxicity.
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40
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Bastos MC, Rheinheimer DDS, Le Guet T, Vargas Brunet J, Aubertheau E, Mondamert L, Labanowski J. Presence of pharmaceuticals and bacterial resistance genes in river epilithic biofilms exposed to intense agricultural and urban pressure. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:328. [PMID: 36697888 DOI: 10.1007/s10661-022-10899-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 12/28/2022] [Indexed: 06/17/2023]
Abstract
The continuous discharge of pharmaceutical compounds into the aquatic environment has raised concerns over the contamination of water resources. Urban activities and intensive animal breeding are important sources of contamination. The accumulation of antibiotics may lead to the transfer or alternatively maintain the presence of resistance genes in natural microbial communities existing in epilithic biofilms. The objective of this study was to evaluate the pharmaceutical contamination levels and the presence of resistance genes in biofilms from a South Brazilian watershed. The Guaporé watershed exhibits a high diversity of land use, including agricultural and urban areas with differing levels of anthropogenic pressure. Seventeen sites along the Guaporé watershed were monitored. Biofilm samples were collected in two seasons (winter and summer), and the pharmaceutical concentration and quantity of resistance genes were analyzed. All monitored sites were contaminated with pharmaceuticals. Agricultural activities contribute through transferring pharmaceuticals derived from the application of animal waste to agricultural fields. The most contaminated site (pharmaceuticals and bacterial resistance genes) was located in an urban area exposed to high pressure. Decreases in the contamination of biofilms were also observed, exemplifying processes of natural attenuation in the watershed. The quality of the biofilms sampled throughout the watershed served as a useful tool to understand and monitor environmental pollution.
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Affiliation(s)
- Marília Camotti Bastos
- Centro de Ciências Rurais, Departamento de Solos, Universidade Federal de Santa Maria, Avenida Roraima, N° 1000, Bairro Camobi, Rio Grande Do Sul, CEP, 97105-900, Brazil.
- Institut de Chimie Des Milieux Et Matériaux de Poitiers, Université de Poitiers, IC2MP, Poitiers, France.
| | - Danilo Dos Santos Rheinheimer
- Centro de Ciências Rurais, Departamento de Solos, Universidade Federal de Santa Maria, Avenida Roraima, N° 1000, Bairro Camobi, Rio Grande Do Sul, CEP, 97105-900, Brazil
| | - Thibaut Le Guet
- Institut de Chimie Des Milieux Et Matériaux de Poitiers, Université de Poitiers, IC2MP, Poitiers, France
| | - Jocelina Vargas Brunet
- Centro de Ciências Rurais, Departamento de Solos, Universidade Federal de Santa Maria, Avenida Roraima, N° 1000, Bairro Camobi, Rio Grande Do Sul, CEP, 97105-900, Brazil
- Institut de Chimie Des Milieux Et Matériaux de Poitiers, Université de Poitiers, IC2MP, Poitiers, France
| | - Elodie Aubertheau
- Institut de Chimie Des Milieux Et Matériaux de Poitiers, Université de Poitiers, IC2MP, Poitiers, France
| | - Leslie Mondamert
- Institut de Chimie Des Milieux Et Matériaux de Poitiers, Université de Poitiers, IC2MP, Poitiers, France
| | - Jérôme Labanowski
- Institut de Chimie Des Milieux Et Matériaux de Poitiers, Université de Poitiers, IC2MP, Poitiers, France
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41
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Sun S, Liu P, Ullah M. Efficient Azo Dye Biodecolorization System Using Lignin-Co-Cultured White-Rot Fungus. J Fungi (Basel) 2023; 9:jof9010091. [PMID: 36675912 PMCID: PMC9866751 DOI: 10.3390/jof9010091] [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: 11/30/2022] [Revised: 01/01/2023] [Accepted: 01/02/2023] [Indexed: 01/11/2023] Open
Abstract
The extensive use of azo dyes by the global textile industry induces significant environmental and human health hazards, which makes efficient remediation crucial but also challenging. Improving dye removal efficiency will benefit the development of bioremediation techniques for textile effluents. In this study, an efficient system for azo dye (Direct Red 5B, DR5B) biodecolorization is reported, which uses the white-rot fungus Ganoderma lucidum EN2 and alkali lignin. This study suggests that the decolorization of DR5B could be effectively enhanced (from 40.34% to 95.16%) within 48 h in the presence of alkali lignin. The dye adsorption test further confirmed that the alkali-lignin-enhanced decolorization of DR5B was essentially due to biodegradation rather than physical adsorption, evaluating the role of alkali lignin in the dye biodegradation system. Moreover, the gas chromatography/mass spectrometry analysis and DR5B decolorization experiments also indicated that alkali lignin carried an excellent potential for promoting dye decolorization and displayed a significant role in improving the activity of lignin-modifying enzymes. This was mainly because of the laccase-mediator system, which was established by the induced laccase activity and lignin-derived small aromatic compounds.
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Affiliation(s)
- Su Sun
- College of Urban Construction, Wuchang Shouyi University, Wuhan 430064, China
- Key Laboratory of Molecular Biophysics of MOE, Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
- Correspondence:
| | - Pengyang Liu
- Key Laboratory of Molecular Biophysics of MOE, Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Mati Ullah
- Key Laboratory of Molecular Biophysics of MOE, Department of Biotechnology, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
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42
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Sahoo JK, Somu P, Narayanasamy S, Sahoo SK, Lee YR, Baalakrishnan DR, RajaSekhar Reddy NV, Rajendiran S. WITHDRAWN: Heavy metal ions and dyes removal from aqueous solution using Aloevera-based biosorbent: A systematic review. ENVIRONMENTAL RESEARCH 2023; 216:114669. [PMID: 36404520 DOI: 10.1016/j.envres.2022.114669] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/30/2022] [Accepted: 10/24/2022] [Indexed: 06/16/2023]
Abstract
This article has been withdrawn: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy). This article has been withdrawn at the request of the authors, editor and publisher. The publisher regrets that an error occurred which led to the premature publication of this paper. The publisher apologizes to the readers for this unfortunate erro
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Affiliation(s)
- Jitendra Kumar Sahoo
- Department of Chemistry, GIET University, Gunupur, Rayagada, Odisha, 765022, India
| | - Prathap Somu
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea; Department of Bioengineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 600124, India
| | - Saranya Narayanasamy
- Department of Bioengineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 600124, India
| | - Shraban Kumar Sahoo
- School of Applied Sciences, Centurion University of Technology and Management, Odisha, 752050, India
| | - Yong Rok Lee
- School of Chemical Engineering, Yeungnam University, Gyeongsan, 38541, Republic of Korea.
| | - D R Baalakrishnan
- Institute for Science, Engineering and Technology Research, Tamil Nadu, India.
| | - N V RajaSekhar Reddy
- Department of Information Technology, MLR Institute of Technology, Hyderabad, Telangana, India
| | - S Rajendiran
- Institute for Science, Engineering and Technology Research, Tamil Nadu, India
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Sennaj R, Lemriss S, Souiri A, Kabbaj SEL, Chafik A, Essamadi AK, Benali T, Fassouane A, Dari K, Aassila H. Eco-friendly degradation of reactive red 195, reactive blue 214, and reactive yellow 145 by Klebsiella pneumoniae MW815592 isolated from textile waste. J Microbiol Methods 2023; 204:106659. [PMID: 36529157 DOI: 10.1016/j.mimet.2022.106659] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 12/13/2022] [Accepted: 12/13/2022] [Indexed: 12/23/2022]
Abstract
The water is used in many textile manufacturing steps beyond cleaning. The quantity and the significant chemical load of the effluents generated constitute the primary challenge of the textile industry. In order to discover new sustainable methods to overcome this problem, the aim of this research was to study the potential for degradation of Reactive Blue 214, Reactive Red 195, and Reactive Yellow 145 using a dye degrading bacterium. Sequencing analysis reveals it to be Klebsiella pneumoniae MW815592. This strain completely decolorized artificial effluent (200 mg/L) after 42 h at pH 9 and 46 °C. The decolorization rate increased in the presence of glucose and yeast extract (2 g). In addition, our finding revealed that the decolorization is due to biodegradation rather than adsorption on the bacterial surface.
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Affiliation(s)
- Rajaa Sennaj
- Agrofood and Health Laboratory, Faculty of Science and Technology, Hassan First University, PO Box 577, Settat 26000, Morocco
| | - Sanaâ Lemriss
- Laboratory of Research and Medical Analysis of Gendarmerie Royale, Department of Biosafety PCL3, Rabat, Morocco
| | - Amal Souiri
- Laboratory of Research and Medical Analysis of Gendarmerie Royale, Department of Biosafety PCL3, Rabat, Morocco
| | - Saâd E L Kabbaj
- Laboratory of Research and Medical Analysis of Gendarmerie Royale, Department of Biosafety PCL3, Rabat, Morocco
| | - Abdelbasset Chafik
- Université Cadi Ayyad, Ecole Supérieure de Technologie d'El Kelâa des Sraghna, Route de Béni Mellal Km 8 BP 104, El Kelâa des Sraghna, Morocco
| | - Abdel Khalid Essamadi
- Laboratory of Biochemistry, Neurosciences, Natural Resources and Environment, Faculty of Sciences and Technologies, Hassan First University of Settat, Settat, PObox 577 Morocco
| | - Taoufiq Benali
- Environment and Health Team, Polydisciplinary Faculty of Safi, Cadi Ayyad University, Sidi Bouzid, B.P. 4162, Safi, Morocco.
| | | | - Khadija Dari
- Agrofood and Health Laboratory, Faculty of Science and Technology, Hassan First University, PO Box 577, Settat 26000, Morocco
| | - Hinde Aassila
- Agrofood and Health Laboratory, Faculty of Science and Technology, Hassan First University, PO Box 577, Settat 26000, Morocco
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44
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Rodrigues AF, da Silva AF, da Silva FL, dos Santos KM, de Oliveira MP, Nobre MM, Catumba BD, Sales MB, Silva AR, Braz AKS, Cavalcante AL, Alexandre JY, Junior PG, Valério RB, de Castro Bizerra V, do Santos JC. A scientometric analysis of research progress and trends in the design of laccase biocatalysts for the decolorization of synthetic dyes. Process Biochem 2023. [DOI: 10.1016/j.procbio.2023.01.014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
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Ikram M, Zahoor M, Naeem M, Islam NU, Shah AB, Shahzad B. Bacterial oxidoreductive enzymes as molecular weapons for the degradation and metabolism of the toxic azo dyes in wastewater: a review. Z PHYS CHEM 2022. [DOI: 10.1515/zpch-2022-0150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Abstract
Azo dyes are extremely toxic and pose significant environmental and health risks. Consequently, mineralization and conversion to simple compounds are required to avoid their hazardous effects. A variety of enzymes from the bacterial system are thought to be involved in the degradation and metabolism of azo dyes. Bioremediation, a cost effective and eco-friendly biotechnology, involving bacteria is powered by bacterial enzymes. As mentioned, several enzymes from the bacterial system serve as molecular weapons in the degradation of these dyes. Among these enzymes, azoreductase, oxidoreductase, and laccase are of great interest for the degradation and decolorization of azo dyes. Combination of the oxidative and reductive enzymes is used for the removal of azo dyes from water. The aim of this review article is to provide information on the importance of bacterial enzymes. The review also discusses the genetically modified microorganisms in the biodegradation of azo dyes in polluted water.
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Affiliation(s)
- Muhammad Ikram
- Department of Chemistry , Abdul Wali Khan University Mardan , Mardan , 23200 , Pakistan
| | - Muhammad Zahoor
- Department of Biochemistry , University of Malakand at Chakdara , Dir Lower Khyber Pakhtunkhwa , Pakistan
| | - Muhammad Naeem
- Department of Chemistry , Abdul Wali Khan University Mardan , Mardan , 23200 , Pakistan
| | - Noor Ul Islam
- Department of Chemistry , University of Malakand at Chakdara , Dir Lower Khyber Pakhtunkhwa , Pakistan
| | - Abdul Bari Shah
- Division of Applied Life Science (BK21 Plus) , Institute of Agriculture and Life Sciences, Gyeongsang National University , Jinju 52828 , Korea
| | - Babar Shahzad
- Department of Biochemistry , Institute of Basic Medical Sciences, Khyber Medical University Peshawar Khyber Pakhtunkhwa , Peshawar , Pakistan
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Shan B, Hao R, Zhang J, Li J, Ye Y, Lu A. Microbial remediation mechanisms and applications for lead-contaminated environments. World J Microbiol Biotechnol 2022; 39:38. [PMID: 36510114 DOI: 10.1007/s11274-022-03484-1] [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: 10/24/2022] [Accepted: 11/30/2022] [Indexed: 12/15/2022]
Abstract
High concentrations of lead (Pb) in agricultural soil and wastewater represent a severe threat to the ecosystem and health of living organisms. Among available removal techniques, microbial remediation has attracted much attention due to its lower cost, higher efficiency, and less impact on the environment; hence, it is an effective alternative to conventional physical or chemical Pb-remediation technologies. In the present review, recent advances on the Pb-remediation mechanisms of bacteria, fungi and microalgae have been reported, as well as their detoxification pathways. Based on the previous researches, microorganisms have various remediation mechanisms to cope with Pb pollution, which are basically categorized into biosorption, bioprecipitation, biomineralization, and bioaccumulations. This paper summarizes microbial Pb-remediation mechanisms, factors affecting Pb removal, and examples of each case are described in detail. We emphatically discuss the mechanisms of microbial immobilization of Pb, which can resist toxicity by synthesizing nanoparticles to convert dissolved Pb(II) into less toxic forms. The tolerance mechanisms of microbes to Pb are discussed at the molecular level as well. Finally, we conclude the research challenges and development prospects regarding the microbial remediation of Pb-polluted environment. The current review provides insight of interaction between lead and microbes and their potential applications for Pb removal.
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Affiliation(s)
- Bing Shan
- The Key Laboratory of Orogenic Belts and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing, 100871, China
| | - Ruixia Hao
- The Key Laboratory of Orogenic Belts and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing, 100871, China.
| | - Junman Zhang
- The Key Laboratory of Orogenic Belts and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing, 100871, China
| | - Jiani Li
- The Key Laboratory of Orogenic Belts and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing, 100871, China
| | - Yubo Ye
- The Key Laboratory of Orogenic Belts and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing, 100871, China
| | - Anhuai Lu
- The Key Laboratory of Orogenic Belts and Crustal Evolution, School of Earth and Space Sciences, Peking University, Beijing, 100871, China
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Analytical detection methods for azo dyes: A focus on comparative limitations and prospects of bio-sensing and electrochemical nano-detection. J Food Compost Anal 2022. [DOI: 10.1016/j.jfca.2022.104778] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Wang T, Jiang M, Yu X, Niu N, Chen L. Application of lignin adsorbent in wastewater Treatment: A review. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Mathiarasu RR, Panneerselvam K, Kumar PS, Rangasamy G, Subashchandrabose R, George M. Reline deep eutectic solvent mediated synthesis of lanthanum titanate for heavy metal remediation and photocatalytic degradation. CHEMOSPHERE 2022; 308:136529. [PMID: 36207798 DOI: 10.1016/j.chemosphere.2022.136529] [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: 08/08/2022] [Revised: 09/08/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
Toxic heavy metal and dye contamination are potential threats that mutilate the essential triad of life; air, water and soil. Despite commercial applicability and importance, the over accumulation of these noxious toxicants has become a disturbing concern. As a result, their remediation has drawn greater fascination leading to the inexplicable quest for a material which can act as both an adsorbent and as a photocatalyst. The present work highlights a novel solid-state technique assisted with reline (Choline chloride: Urea) deep eutectic solvent for the synthesis of lanthanum titanate. The synthesized material was established with physical characterizations like PXRD, FT-IR, UV-DRS, BET, XPS, HR-SEM and TEM techniques. Further, the ruptured petal-like lanthanum titanate was integrated as an adsorbent for the removal of lead (Pb), arsenic (As) and chromium (Cr) heavy metals. The adsorbent presented increased adsorption efficiencies of 96, 74 and 71% towards Pb, As and Cr respectively. Dependence of the degradation efficiency over concentration, pH, contact time and competitive environments were analyzed and inferred. Furthermore, lanthanum titanate was used for the photocatalytic degradation of reactive black (RB5), red (RR198) and yellow (RY145) dyes. The degradation efficiencies were found to be 68.31, 85.2 and 96.8% for RB5, RR198 and RY145 dyes respectively. Variation in concentration and pH of the dye solutions were examined and reaction kinetics was also proposed. In conclusion, the as synthesized lanthanum titanate is assured to play dual roles as a versatile cost-effective adsorbent for the remediation of heavy metals and as a potential candidate for photocatalytic degradation.
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Affiliation(s)
- Roselin Ranjitha Mathiarasu
- Department of Chemistry, Stella Maris College (Autonomous) affiliated to University of Madras, Chennai, 600 086, Tamil Nadu, India
| | | | - P Senthil Kumar
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, Tamil Nadu, India; Centre of Excellence in Water Research (CEWAR), Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603 110, Tamil Nadu, India
| | - Gayathri Rangasamy
- Department of Sustainable Engineering, Institute of Biotechnology, Saveetha School of Engineering, SIMATS, Chennai, 602 105, Tamil Nadu, India.
| | - Raghu Subashchandrabose
- Center for Advanced Research & Development (CARD)/Chemistry, Vels Institute of Science, Technology & Advanced Studies (VISTAS), Chennai, 600 117, Tamil Nadu, India
| | - Mary George
- Department of Chemistry, Stella Maris College (Autonomous) affiliated to University of Madras, Chennai, 600 086, Tamil Nadu, India.
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Zafar S, Bukhari DA, Rehman A. Azo dyes degradation by microorganisms - An efficient and sustainable approach. Saudi J Biol Sci 2022; 29:103437. [PMID: 36131780 PMCID: PMC9483650 DOI: 10.1016/j.sjbs.2022.103437] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/06/2022] [Accepted: 09/01/2022] [Indexed: 11/21/2022] Open
Abstract
Synthetic aromatic compounds consisting of various functional groups are known as dyes. These colored compounds are often discharged in effluents, and they are very dangerous to aquatic life. Basically, the dye industry started by using natural plant and insect sources, and then suddenly turned into artificial manufacturing. Natural equilibrium of our environment gets changed by the reduction in photosynthetic activity due to the dyes. In China 900,000 tons of all kinds of dyes are usually produced, which are used in many industries like food, textile, food, paper and leather. Untreated wastewater contaminates aquatic bodies by causing eutrophication, change in water color, oxygen depletion which affect aquatic organisms to a great extent. Dye wastewater is now the key environmental pollution form. In recent eras an extensive study line has been developed to explore the dye decolorization and biodegradation under both aerobic as well as anaerobic conditions. In this review, the chemistry, toxicity and microbial biodegradation/decolorization are presented. Some recent studies along with the new techniques and methodologies of remediating the dye pollution are also discussed to provide the bases of their handling. Overall, efficient and high biodegradation potential make microbes an impending foundation for green chemistry to eradicate toxic dyes from industrial wastewater.
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Affiliation(s)
- Sadia Zafar
- National Centre of Excellence in Molecular Biology, University of the Punjab, Lahore 54590, Pakistan
| | - Dilara A. Bukhari
- Department of Zoology, Government College University, Lahore, Pakistan
| | - Abdul Rehman
- Institute of Microbiology and Molecular Genetics, University of the Punjab, New Campus, Lahore 54590, Pakistan
- Corresponding author at: Department of Microbiology & Molecular Genetics, University of the Punjab, New Campus, Lahore 54590, Pakistan.
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