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Gamboa DMP, Abatal M, Lima E, Franseschi FA, Ucán CA, Tariq R, Elías MAR, Vargas J. Sorption Behavior of Azo Dye Congo Red onto Activated Biochar from Haematoxylum campechianum Waste: Gradient Boosting Machine Learning-Assisted Bayesian Optimization for Improved Adsorption Process. Int J Mol Sci 2024; 25:4771. [PMID: 38731990 PMCID: PMC11083778 DOI: 10.3390/ijms25094771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 04/24/2024] [Accepted: 04/24/2024] [Indexed: 05/13/2024] Open
Abstract
This work aimed to describe the adsorption behavior of Congo red (CR) onto activated biochar material prepared from Haematoxylum campechianum waste (ABHC). The carbon precursor was soaked with phosphoric acid, followed by pyrolysis to convert the precursor into activated biochar. The surface morphology of the adsorbent (before and after dye adsorption) was characterized by scanning electron microscopy (SEM/EDS), BET method, X-ray powder diffraction (XRD), and Fourier-transform infrared spectroscopy (FTIR) and, lastly, pHpzc was also determined. Batch studies were carried out in the following intervals of pH = 4-10, temperature = 300.15-330.15 K, the dose of adsorbent = 1-10 g/L, and isotherms evaluated the adsorption process to determine the maximum adsorption capacity (Qmax, mg/g). Kinetic studies were performed starting from two different initial concentrations (25 and 50 mg/L) and at a maximum contact time of 48 h. The reusability potential of activated biochar was evaluated by adsorption-desorption cycles. The maximum adsorption capacity obtained with the Langmuir adsorption isotherm model was 114.8 mg/g at 300.15 K, pH = 5.4, and a dose of activated biochar of 1.0 g/L. This study also highlights the application of advanced machine learning techniques to optimize a chemical removal process. Leveraging a comprehensive dataset, a Gradient Boosting regression model was developed and fine-tuned using Bayesian optimization within a Python programming environment. The optimization algorithm efficiently navigated the input space to maximize the removal percentage, resulting in a predicted efficiency of approximately 90.47% under optimal conditions. These findings offer promising insights for enhancing efficiency in similar removal processes, showcasing the potential of machine learning in process optimization and environmental remediation.
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Affiliation(s)
| | - Mohamed Abatal
- Facultad de Ingeniería, Universidad Autónoma del Carmen, Ciudad del Carmen 24115, Campeche, Mexico;
| | - Eder Lima
- Institute of Chemistry, Federal University of Rio Grande do Sul (UFRGS), Av. Bento Goncalves 9500, P.O. Box 15003, Porto Alegre 91501-970, RS, Brazil;
| | - Francisco Anguebes Franseschi
- Facultad de Química, Universidad Autónoma del Carmen, Calle 56 No. 4 Av. Concordia, Ciudad del Carmen 24180, Campeche, Mexico; (F.A.F.); (C.A.U.); (M.A.R.E.)
| | - Claudia Aguilar Ucán
- Facultad de Química, Universidad Autónoma del Carmen, Calle 56 No. 4 Av. Concordia, Ciudad del Carmen 24180, Campeche, Mexico; (F.A.F.); (C.A.U.); (M.A.R.E.)
| | - Rasikh Tariq
- Tecnologico de Monterrey, Institute for the Future of Education, Ave. Eugenio Garza Sada 2501, Monterrey 64849, Nuevo León, Mexico;
| | - Miguel Angel Ramírez Elías
- Facultad de Química, Universidad Autónoma del Carmen, Calle 56 No. 4 Av. Concordia, Ciudad del Carmen 24180, Campeche, Mexico; (F.A.F.); (C.A.U.); (M.A.R.E.)
| | - Joel Vargas
- Instituto de Investigaciones en Materiales, Unidad Morelia, Universidad Nacional Autónoma de México, Antigua Carretera a Pátzcuaro No. 8701, Col. Ex Hacienda de San José de la Huerta, Morelia 58190, Michoacán, Mexico;
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Chalil Oglou R, Gokce Y, Yagmur E, Aktas Z. Production of demineralised high quality hierarchical activated carbon from lignite and determination of adsorption performance using methylene blue and p-nitrophenol: The role of surface functionality, accessible pore size and surface area. J Environ Manage 2023; 345:118812. [PMID: 37586173 DOI: 10.1016/j.jenvman.2023.118812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 08/02/2023] [Accepted: 08/11/2023] [Indexed: 08/18/2023]
Abstract
In the adsorption process, the surface area, pore and particle size distribution and the chemical structure of the solid and the type of adsorbent are of vital importance. Activated carbon (AC) is a very good adsorbent material and its cost is highly dependent on the starting material and production method. The pore size and functional structure of the surface depend on the amount of activation chemical used. Hierarchical ACs were produced from lignite by loading two different amounts of KOH. The impregnation ratio (KOH/lignite) was chosen as 1/1 and 3/1 and the produced ACs were labelled as AC1 and AC3. The surface areas of AC1 and AC3 were determined as 1321.3 and 2421.3 m2/g, and the total pore volumes were 1.079 and 1.425 cm3/g. Methylene blue (MB) and p-nitrophenol (p-NP) were used to determine the adsorption performance of the produced ACs. The adsorption data were evaluated in terms of the Langmuir and Freundlich models. The amounts of MB and p-NP adsorbed on the surface were calculated in mg/g, total and accessible surface area in mg/m2. It was determined that the MB and p-NP adsorbed to the AC1 sample were higher than the AC3 sample per m2 of population. Molecular orientation is possible depending on the solid surface functionality and chemical structure of the molecule to be adsorbed. It was concluded that in addition to the large surface area, the pore width that can be entered and the functional structure of the surface are very significant factors in the adsorption processes.
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Affiliation(s)
- Ramadan Chalil Oglou
- Department of Chemical Engineering, Faculty of Engineering, Ankara University, Tandogan, 06100, Ankara, Turkey
| | - Yavuz Gokce
- Department of Chemical Engineering, Faculty of Engineering, Ankara University, Tandogan, 06100, Ankara, Turkey
| | - Emine Yagmur
- Department of Chemical Engineering, Faculty of Engineering, Ankara University, Tandogan, 06100, Ankara, Turkey
| | - Zeki Aktas
- Department of Chemical Engineering, Faculty of Engineering, Ankara University, Tandogan, 06100, Ankara, Turkey.
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Wiśniewska M, Sadłowska A, Herda K, Urban T, Nowicki P. Production of Mineral-Carbon Composites and Activated Carbons as a Method of Used Gear Oil, Ashes, and Low-Quality Brown Coals Management. Molecules 2023; 28:6919. [PMID: 37836762 PMCID: PMC10574163 DOI: 10.3390/molecules28196919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2023] [Revised: 09/28/2023] [Accepted: 10/01/2023] [Indexed: 10/15/2023] Open
Abstract
The main objective of this study was to assess the usefulness of the low-quality brown coal, ash obtained as a result of its combustion, as well as used gear oil for the production of mineral-carbon adsorbents. The adsorbents were characterized in terms of textural parameters, acidic-basic character of the surface, mineral matter contribution to the structure, as well as their suitability for drinking water purification. Adsorption tests were carried out against two synthetic dyes-methylene blue and methyl orange. In order to understand the nature of the organic pollutants adsorption, the effect of the initial dye concentration, temperature, and pH of the system as well as the phase contact time were investigated. The obtained mineral-carbon composite and activated carbons significantly differed not only in terms of the elemental composition and chemical character of the surface (from slightly acidic to strongly alkaline), but also showed a very diverse degree of specific surface development (from 21 to 656 m2/g) and the type of porous structure generated (from micro/mesoporous to typically mesoporous). Adsorption tests showed that the efficiency of organic dye removal from aqueous solutions primarily depends on the type of the adsorbent and adsorbate applied, and, to a lesser extent, on the temperature and pH of the system. In turn, kinetic studies have shown that the sorption of dyes on such materials is consistent with a pseudo-second-order kinetics model, regardless of the type of adsorbed dye.
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Affiliation(s)
- Małgorzata Wiśniewska
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
| | - Amanda Sadłowska
- Department of Applied Chemistry, Faculty of Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
| | - Karolina Herda
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
| | - Teresa Urban
- Department of Radiochemistry and Environmental Chemistry, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, M. Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
| | - Piotr Nowicki
- Department of Applied Chemistry, Faculty of Chemistry, Adam Mickiewicz University in Poznań, Uniwersytetu Poznańskiego 8, 61-614 Poznań, Poland
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Grassi P, Georgin J, S P Franco D, Sá ÍMGL, Lins PVS, Foletto EL, Jahn SL, Meili L, Rangabhashiyam S. Removal of dyes from water using Citrullus lanatus seed powder in continuous and discontinuous systems. Int J Phytoremediation 2023; 26:82-97. [PMID: 37345434 DOI: 10.1080/15226514.2023.2225615] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/23/2023]
Abstract
The objective of this study is to develop a low-cost biosorbent using residual seeds of the Citrullus lanatus fruit for the removal of cationic dyes. Physicochemical parameters such as pH, adsorbent mass, contact time, and temperature were evaluated for their effects on dye removal. The biosorbent is composed of lignin and cellulose, exhibiting a highly heterogeneous surface with randomly distributed cavities and bulges. The adsorption of both dyes was most effective at natural pH with a dosage of 0.8 g L-1. Equilibrium was reached within 120 min, regardless of concentration, indicating rapid kinetics. The Elovich model and pseudo-second-order kinetics were observed for crystal violet and basic fuchsin dye, respectively. The Langmuir model fitted well with the equilibrium data of both dyes. However, the increased temperature had a negative impact on dye adsorption. The biosorbent also demonstrated satisfactory performance (R = 43%) against a synthetic mixture of dyes and inorganic salts, with a small mass transfer zone. The adsorption capacities for crystal violet and basic fuchsin dye were 48.13 mg g-1 and 44.26 mg g-1, respectively. Thermodynamic studies confirmed an exothermic nature of adsorption. Overall, this low-cost biosorbent showed potential for the removal of dyes from aqueous solutions.
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Affiliation(s)
- Patricia Grassi
- Chemical Engineering Department, Federal University of Santa Maria, Santa Maria, Brazil
| | - Jordana Georgin
- Department of Civil and Environmental, Universidad de la Costa, CUC, Barranquilla, Colombia
| | - Dison S P Franco
- Department of Civil and Environmental, Universidad de la Costa, CUC, Barranquilla, Colombia
| | - Ícaro M G L Sá
- Laboratory of Processes, Center of Technology, Federal University of Alagoas, Maceió, Brazil
| | - Pollyanna V S Lins
- Laboratory of Processes, Center of Technology, Federal University of Alagoas, Maceió, Brazil
| | - Edson L Foletto
- Chemical Engineering Department, Federal University of Santa Maria, Santa Maria, Brazil
| | - Sérgio L Jahn
- Chemical Engineering Department, Federal University of Santa Maria, Santa Maria, Brazil
| | - Lucas Meili
- Laboratory of Processes, Center of Technology, Federal University of Alagoas, Maceió, Brazil
| | - S Rangabhashiyam
- Department of Biotechnology, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India
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Zhang T, Zuo S. Drying enables multiple reuses of activated carbon without regeneration. Environ Sci Pollut Res Int 2023; 30:45097-45111. [PMID: 36701054 DOI: 10.1007/s11356-023-25481-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 01/18/2023] [Indexed: 06/17/2023]
Abstract
Traditional regeneration of activated carbon is usually carried out by high-temperature oxidation in industrial processes, which reduces the quality and performance of the adsorbent, thereby increasing costs and damaging the environment. In this study, a simple drying process is proposed to enable reuse of spent activated carbon. The feasibility and merits of this method were evaluated in batch and continuous adsorption modes using dyes as adsorbates. The batch adsorption results showed that the activated carbon could be reused seven times after a simple drying process, because it led to full occupancy of the activated carbon pores by adsorbate molecules. The cumulative adsorption capacities of the activated carbon were as high as 1005.3 mg/g for methyl orange (MO) and 954.8 mg/g for methylene blue (MB). Continuous adsorption experiments in a fixed-bed column demonstrated that the activated carbon column could be reused more than three times after simply drying. Moreover, dye molecules adsorbed by the activated carbon were not leached by the stream of dye solution during reuse. This drying method exhibits three main merits for reuse of activated carbon, including (1) remarkably reduced consumption of fresh activated carbon to 51.5% or below, (2) significantly increased recovery of high-value adsorbate from the liquid phase, and (3) potential integration of multiple steps for industrial adsorption processes.
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Affiliation(s)
- Tao Zhang
- College of Chemical Engineering, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing, 210037, China
| | - Songlin Zuo
- College of Chemical Engineering, International Innovation Center for Forest Chemicals and Materials, Nanjing Forestry University, Nanjing, 210037, China.
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Altintig E, Sarıcı B, Karataş S. Prepared activated carbon from hazelnut shell where coated nanocomposite with Ag + used for antibacterial and adsorption properties. Environ Sci Pollut Res Int 2023; 30:13671-13687. [PMID: 36136190 DOI: 10.1007/s11356-022-23004-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 09/08/2022] [Indexed: 06/16/2023]
Abstract
In this research, prepared activated carbon by H3PO4 from hazelnut shells was coated with silver ions for the preparation of nanoparticles which were mixed in two ratios (1:0.5 and 1:1) by using of chemical reduction method. The adsorption capacity of activated carbons has been proven by BET and iodine number. Then, the antimicrobial effect of nanoparticles on the Staphylococcus aureus and Escherichia coli was investigated; in addition to that, the characterization of hazelnut shell and silver-coated activated carbons was determined by Brunauer-Emmett-Teller (BET), scanning electron microscope (SEM), Fourier transform infrared spectroscopy (FT-IR), and X-ray diffraction (XRD) methods. The optimum condition of activated carbon from hazelnut shells indicated that 66.01% carbon content within 36.22% efficiency, while BET surface area achieved as 1208 m2/g and its contained 0.6104 cm3 g-1 total pore volume. The microbial effect indicated that 105 CFU/mL of E. coli was completely inhibited in 30 min. Silver-coated activated carbon showed excellent bacteriostatic activity against E. coli and S. aureus. The results show that the composite has good prospects for applications in drinking water. E. coli of 104 CFU/mL in drinking water were destroyed within 25 min of contact with the filter made with AgAC.
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Affiliation(s)
- Esra Altintig
- Pamukova Vocational School, Sakarya University of Applied Sciences, Sakarya, 54900, Turkey.
| | - Birsen Sarıcı
- Food Safety, and Nutrition Department, Food Safety Department, Istanbul Aydın University, Istanbul, 34290, Turkey
| | - Sukru Karataş
- Department of Nutrition and Dietetics, Istanbul Arel University, Istanbul, 34200, Turkey
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Chishti AN, Ma Z, Zha J, Ahmad M, Wang P, Gautam J, Chen M, Ni L, Diao G. Preparation of novel magnetic noble metals supramolecular composite for the reduction of organic dyes and nitro aromatics. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.108122] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Rashid U, Hazmi B, Abdullah RF, Ibrahim SF, Alsalme A, Tsubota T. Physicochemical Properties of Waste Palm-Based Catalysts Synthesized from Pyrolyzed and Hydrothermalized Chars for Biodiesel Production. Top Catal 2022. [DOI: 10.1007/s11244-022-01736-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Yang R, Zhou J, Wu L, Zhang Q, Song Y. Understanding effects of potassium activator on the porous structure and adsorption performance of bluecoke-based porous powder during microwave heating. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Koyuncu F, Avşar Teymur Y, Güzel F. Application of an industrial agricultural waste-based activated carbon in the treatment of water contaminated with Reactive Blue 19 dye: optimization, kinetic, equilibrium and recyclability analyses. J DISPER SCI TECHNOL 2022. [DOI: 10.1080/01932691.2022.2108047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Affiliation(s)
- Filiz Koyuncu
- Department of Chemistry, Institute of Natural and Applied Sciences, Dicle University, Diyarbakir, Turkey
| | - Yekbun Avşar Teymur
- Department of Chemistry, Institute of Natural and Applied Sciences, Dicle University, Diyarbakir, Turkey
| | - Fuat Güzel
- Department of dof Education, Dicle University, Diyarbakır, Turkey
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Yang M, Cui C, Liu L, Dai L, Bai W, Zhai J, Jiang S, Wang W, Ren E, Cheng C, Guo R. Porous activated carbons derived from bamboo pulp black liquor for effective adsorption removal of tetracycline hydrochloride and malachite green from water. Water Sci Technol 2022; 86:244-260. [PMID: 35906906 DOI: 10.2166/wst.2022.205] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
As a kind of wastewater produced by papermaking industry, bamboo pulp black liquor (BPBL) discharged into water causes serious environmental problems. In this work, BPBL was successfully converted into porous carbon after activation with potassium hydroxide (KOH) through one-step carbonization, and adsorption properties of porous carbon derived from bamboo pulp black liquor (BLPC) for tetracycline hydrochloride (TCH) and malachite green (MG) were studied. The adsorption capacities of BLPC for TCH and MG are 1047 and 1277 mg/g, respectively, due to its large specific surface area of 1859.08 m2/g. Kinetics and isotherm data are well fitted to the pseudo-second-order rate model and Langmuir model, respectively. Adsorption experiments and characterizations reveal that the adsorption mechanism involved in TCH and MG adsorption on BLPC mainly depends on the synergistic effect of pore filling, H-bonding, π-π interactions and weak electrostatic interactions. In addition, BLPC shows excellent photothermal properties, and the adsorption capacity of TCH and MG on BLPC can reach 584 and 847 mg/g under the irradiation of near infrared lamp for 50 min, respectively. The synthesized BLPC with high adsorption efficiency, good recovery ability, improved adsorption under near-infrared irradiation can be a promising and effective adsorbent for TCH or MG or other pollutes.
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Affiliation(s)
- Mengyuan Yang
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China E-mail: ; Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Ce Cui
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China E-mail: ; Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Li Liu
- College of Chemistry, Sichuan University, Chengdu 610065, China
| | - Lanling Dai
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China E-mail: ; Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Wenhao Bai
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China E-mail: ; Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Jianyu Zhai
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China E-mail: ; Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Shan Jiang
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China E-mail: ; Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Weijie Wang
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China E-mail: ; Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
| | - Erhui Ren
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China E-mail:
| | - Cheng Cheng
- School of Chemical and Process Engineering, University of Leeds, Leeds, UK
| | - Ronghui Guo
- College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China E-mail: ; Yibin Industrial Technology Research Institute of Sichuan University, Yibin, Sichuan, China
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Georgin J, Netto MS, Franco DSP, Piccilli DGA, da Boit Martinello K, Silva LFO, Foletto EL, Dotto GL. Woody residues of the grape production chain as an alternative precursor of high porous activated carbon with remarkable performance for naproxen uptake from water. Environ Sci Pollut Res Int 2022; 29:16988-17000. [PMID: 34657260 DOI: 10.1007/s11356-021-16792-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 09/23/2021] [Indexed: 06/13/2023]
Abstract
Activated carbon prepared from grape branches was used as a remarkable adsorbent to uptake naproxen and treat a synthetic mixture from aqueous solutions. The material presented a highly porous texture, a surface area of 938 m2 g-1, and certain functional groups, which were key factors to uptake naproxen from effluents. The maximum adsorption capacity predicted by the Langmuir model for naproxen was 176 mg g-1. The thermodynamic study revealed that the adsorption process was endothermic and spontaneous. The linear driving force (LDF) model presented a good statistical adjustment to the experimental decay data. A suitable interaction pathway of naproxen adsorption onto activated carbon was proposed. The adsorbent material was highly efficient to treat a synthetic mixture containing several drugs and salts, reaching 95.63% removal. Last, it was found that the adsorbent can be regenerated up to 7 times using an HCl solution. Overall, the results proved that the activated carbon derived from grape branches could be an effective and sustainable adsorbent to treat wastewaters containing drugs.
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Affiliation(s)
- Jordana Georgin
- Graduate Program in Civil Engineering, Federal University of Santa Maria, Santa Maria, 97105-900, Brazil
| | - Matias S Netto
- Graduate Program in Civil Engineering, Federal University of Santa Maria, Santa Maria, 97105-900, Brazil
| | - Dison S P Franco
- Graduate Program in Civil Engineering, Federal University of Santa Maria, Santa Maria, 97105-900, Brazil
| | - Daniel G A Piccilli
- Graduate Program in Civil Engineering, Federal University of Santa Maria, Santa Maria, 97105-900, Brazil
| | - Kátia da Boit Martinello
- Departamento de Ingeniería Civil y Arquitectura, Universidad de Lima, Avenida Javier Prado Este 4600, Santiago de Surco, 15023, Perú
- Department of Civil and Environmental, Universidad de la Costa, CUC, Calle 58 # 55-66, Barranquilla, Atlántico, Colombia
| | - Luis F O Silva
- Departamento de Ingeniería Civil y Arquitectura, Universidad de Lima, Avenida Javier Prado Este 4600, Santiago de Surco, 15023, Perú
- Department of Civil and Environmental, Universidad de la Costa, CUC, Calle 58 # 55-66, Barranquilla, Atlántico, Colombia
| | - Edson L Foletto
- Graduate Program in Civil Engineering, Federal University of Santa Maria, Santa Maria, 97105-900, Brazil
| | - Guilherme L Dotto
- Graduate Program in Civil Engineering, Federal University of Santa Maria, Santa Maria, 97105-900, Brazil.
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Liu X, Li Q, Zhang G, Zheng Y, Zhao Y. Preparation of activated carbon from Guhanshan coal and its effect on methane adsorption thermodynamics at different temperatures. POWDER TECHNOL 2022; 395:424-42. [DOI: 10.1016/j.powtec.2021.09.076] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Poovaragan S, Lakshmanan S, Joseph KV. Sterculia foetida fruit shell based activated carbon for the effective removal of industrial effluents. J INDIAN CHEM SOC 2021; 98:100196. [DOI: 10.1016/j.jics.2021.100196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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Jawad AH, Abdulhameed AS, Bahrudin NN, Hum NNMF, Surip SN, Syed-Hassan SSA, Yousif E, Sabar S. Microporous activated carbon developed from KOH activated biomass waste: surface mechanistic study of methylene blue dye adsorption. Water Sci Technol 2021; 84:1858-1872. [PMID: 34695015 DOI: 10.2166/wst.2021.355] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In this work, sugarcane bagasse waste (SBW) was used as a lignocellulosic precursor to develop a high-surface-area activated carbon (AC) by thermal treatment of the SBW impregnated with KOH. This SBW activated carbon (SBWAC) was characterized by crystallinity, porosity, surface morphology and functional groups availability. The SBWAC exhibited Type I isotherm which corresponds to microporosity with high specific surface area of 709.3 m2/g and 6.6 nm of mean pore diameter. Further application of SBWAC as an adsorbent for methylene blue (MB) dye removal demonstrated that the adsorption process closely followed the pseudo-second order kinetic and Freundlich isotherm models. Conversely, a thermodynamic study revealed the endothermic nature and spontaneity of MB dye adsorption on SBWAC with high acquired adsorption capacity (136.5 mg/g). The MB dye adsorption onto SBWAC possibly involved electrostatic interaction, H-bonding and π-π interaction. This work demonstrates SBW as a potential lignocellulosic precursor to produce high-surface-area AC that can potentially remove more cationic dyes from the aqueous environment.
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Affiliation(s)
- Ali H Jawad
- Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia E-mail: ;
| | - Ahmed Saud Abdulhameed
- Department of Medical Instrumentation Engineering, Al-Mansour University College, Baghdad, Iraq
| | - Noor Nazihah Bahrudin
- Department of Chemistry, Faculty of Science, Universiti Putra Malaysia, 43400, Serdang, Selangor, Malaysia
| | | | - S N Surip
- Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia E-mail: ;
| | - Syed Shatir A Syed-Hassan
- School of Chemical Engineering, College of Engineering, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
| | - Emad Yousif
- Department of Chemistry, College of Science, Al-Nahrain University, 64021 Baghdad, Iraq
| | - S Sabar
- Chemical Sciences Programme, School of DistanceEducation (SDE), Universiti Sains Malaysia, 11800 Minden, Penang, Malaysia
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16
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Yang X, Zhu W, Song Y, Zhuang H, Tang H. Removal of cationic dye BR46 by biochar prepared from Chrysanthemum morifolium Ramat straw: A study on adsorption equilibrium, kinetics and isotherm. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116617] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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17
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Phothong K, Tangsathitkulchai C, Lawtae P. The Analysis of Pore Development and Formation of Surface Functional Groups in Bamboo-Based Activated Carbon during CO 2 Activation. Molecules 2021; 26:molecules26185641. [PMID: 34577111 PMCID: PMC8469776 DOI: 10.3390/molecules26185641] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 09/08/2021] [Accepted: 09/12/2021] [Indexed: 11/16/2022] Open
Abstract
Pore development and the formation of oxygen functional groups were studied for activated carbon prepared from bamboo (Bambusa bambos) using a two-step activation with CO2, as functions of carbonization temperature and activation conditions (time and temperature). Results show that activated carbon produced from bamboo contains mostly micropores in the pore size range of 0.65 to 1.4 nm. All porous properties of activated carbons increased with the increase in the activation temperature over the range from 850 to 950 °C, but decreased in the temperature range of 950 to 1000 °C, due principally to the merging of neighboring pores. The increase in the activation time also increased the porous properties linearly from 60 to 90 min, which then dropped from 90 to 120 min. It was found that the carbonization temperature played an important role in determining the number and distribution of active sites for CO2 gasification during the activation process. Empirical equations were proposed to conveniently predict all important porous properties of the prepared activated carbons in terms of carbonization temperature and activation conditions. Oxygen functional groups formed during the carbonization and activation steps of activated carbon synthesis and their contents were dependent on the preparation conditions employed. Using Boehm’s titration technique, only phenolic and carboxylic groups were detected for the acid functional groups in both the chars and activated carbons in varying amounts. Empirical correlations were also developed to estimate the total contents of the acid and basic groups in activated carbons in terms of the carbonization temperature, activation time and temperature.
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18
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Asbollah MA, Mahadi AH, Kusrini E, Usman A. Synergistic effect in concurrent removal of toxic methylene blue and acid red-1 dyes from aqueous solution by durian rind: kinetics, isotherm, thermodynamics, and mechanism. Int J Phytoremediation 2021; 23:1432-1443. [PMID: 33813976 DOI: 10.1080/15226514.2021.1901851] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In the present study, a synergistic effect between cationic methylene blue (MB) and anionic acid red 1 (AR1) on their concurrent adsorptive removal from aqueous binary solution onto durian rind (DR) was systematically investigated in batch mode across different parameters. The concurrent adsorption was pseudo-second-order kinetics and followed the Langmuir isotherm model, similar to their respective single component. The kinetics and intraparticle diffusion analyses demonstrated that the adsorption rate of MB was a 15-fold faster than AR1, and mass transports were governed by a combination of intraparticle and film diffusion. The synergistic effect was evidenced by an enhanced adsorption efficiency of AR1 from 27 to 42%, while that of MB was almost unchanged (97-98%). By changing the molar ratios of MB and AR1, it was found that the maximum adsorption capacity of MB and AR1 was 249 and 200 mg g-1, respectively, in the binary system higher compared with those in their respective single system (108 and 16 mg g-1). Overall data indicated that the synergistic effect was due to electrostatic interactions between cationic and anionic synthetic dyes, supported by negatively charged DR surface, leading to the formation of their stacking layers on the adsorbent surface. Novelty statement: A synergistic effect in concurrent adsorptive removal of synthetic dyes from multicomponent wastewater remains a critical research challenge. We believed that electrostatic interaction between ionic dyes could be explored to enhance their removal efficiency. This report is the first time that such a synergistic effect between cationic methylene blue (MB) and anionic acid red 1 (AR1) on their concurrent adsorption from aqueous binary system is systematically investigated. The kinetics, isotherm, thermodynamics, and mechanism of the concurrent adsorption of MB and AR1 attributed to the synergistic effect are elucidated in detail.
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Affiliation(s)
- M Ashrul Asbollah
- Department of Chemistry, Faculty of Science, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Abdul Hanif Mahadi
- Centre for Advanced Material and Energy Sciences, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
| | - Eny Kusrini
- Department of Chemical Engineering, Faculty of Engineering, Universitas Indonesia, Depok, Indonesia
| | - Anwar Usman
- Department of Chemistry, Faculty of Science, Universiti Brunei Darussalam, Gadong, Brunei Darussalam
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19
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Basheer AO, Hanafiah MM, Alsaadi MA, Al-Douri Y, Al-Raad AA. Synthesis and optimization of high surface area mesoporous date palm fiber-based nanostructured powder activated carbon for aluminum removal. Chin J Chem Eng 2021. [DOI: 10.1016/j.cjche.2020.09.071] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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20
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Jawad AH, Saud Abdulhameed A, Wilson LD, Syed-hassan SSA, Alothman ZA, Rizwan Khan M. High surface area and mesoporous activated carbon from KOH-activated dragon fruit peels for methylene blue dye adsorption: Optimization and mechanism study. Chin J Chem Eng 2021; 32:281-90. [DOI: 10.1016/j.cjche.2020.09.070] [Citation(s) in RCA: 72] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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21
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Xu X, Yu J, Liu C, Yang G, Shi L, Zhuang X. Xanthated chitosan/cellulose sponges for the efficient removal of anionic and cationic dyes. REACT FUNCT POLYM 2021; 160:104840. [DOI: 10.1016/j.reactfunctpolym.2021.104840] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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22
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Borghei SA, Zare MH, Ahmadi M, Sadeghi MH, Marjani A, Shirazian S, Ghadiri M. Synthesis of multi-application activated carbon from oak seeds by KOH activation for methylene blue adsorption and electrochemical supercapacitor electrode. ARAB J CHEM 2021; 14:102958. [DOI: 10.1016/j.arabjc.2020.102958] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
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23
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Ruan J, Pei H, Li T, Wang H, Li S, Zhang X. Preparation and antioxidant activity evaluation of tea polyphenol–collagen–alginate microspheres. J FOOD PROCESS PRES 2021. [DOI: 10.1111/jfpp.15187] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Jingxin Ruan
- School of Function Food and Wine Shenyang Pharmaceutical University Shenyang China
| | - Huimin Pei
- School of Function Food and Wine Shenyang Pharmaceutical University Shenyang China
| | - Ting Li
- School of Traditional Chinese Materia Medica Shenyang Pharmaceutical University Shenyang China
| | - Hongyue Wang
- School of Function Food and Wine Shenyang Pharmaceutical University Shenyang China
| | - Shanfeng Li
- School of Function Food and Wine Shenyang Pharmaceutical University Shenyang China
| | - Xiangrong Zhang
- School of Function Food and Wine Shenyang Pharmaceutical University Shenyang China
- School of Traditional Chinese Materia Medica Shenyang Pharmaceutical University Shenyang China
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Tang L, Ma XY, Wang Y, Zhang S, Zheng K, Wang XC, Lin Y. Removal of trace organic pollutants (pharmaceuticals and pesticides) and reduction of biological effects from secondary effluent by typical granular activated carbon. Sci Total Environ 2020; 749:141611. [PMID: 32827814 DOI: 10.1016/j.scitotenv.2020.141611] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/28/2020] [Accepted: 08/08/2020] [Indexed: 06/11/2023]
Abstract
Residual trace organic pollutants (TOPs) and associated biological effects from secondary effluent (SE) are attracting much attention because of their safety concerns. Granular activated carbon (GAC) adsorption, due to its low cost and high efficiency, is widely applied for further wastewater treatment, but its selective removals of TOPs and biological effects are poorly understood. In the present study, the surface physicochemical characteristics of four types of typical GACs were investigated, and their correlation with luminescent bacteria toxicity was discussed. Based on the biological effect control, shell GAC, with a great adsorption capacity and high functional group contents was selected for further study, including for the removal of fluorescent dissolved organic matter (DOM), 21 TOPs, and 3 biological effects. The shell GAC showed a promising property of removing fluorescent DOM and TOPs. The total concentration of 21 detected TOPs, including 12 pesticides and 9 pharmaceuticals, achieved 82% removal when 30 g/L shell GACs was added. Individual chemicals removal by GAC adsorption was not well described by an individual parameter (e.g., logD, molecular size, charge, functional groups), but rather by a variety of physical and chemical interactions among TOPs, DOM, and GAC. The biological effects from SE were mainly caused by TOPs and DOM. Hence, shell GACs also showed high removal efficiencies of luminescent bacteria toxicity, genotoxicity, and photosynthetic inhibition effect. The removal mechanisms of the three biological effects from SE were deeply discussed. Therefore, the GAC treatment is considered to be one of the most suitable options to ensure the ecological safety of discharged wastewater, because it can effectively control DOM, TOPs, and associated biological effects.
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Affiliation(s)
- Lei Tang
- International Science & Technology Cooperation Center for Urban Alternative Water Resources Development, Key Lab of Northwest Water Resource, Environment and Ecology, MOE, Engineering Technology Research Center for Wastewater Treatment and Reuse, Shaanxi Province, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Xiaoyan Y Ma
- International Science & Technology Cooperation Center for Urban Alternative Water Resources Development, Key Lab of Northwest Water Resource, Environment and Ecology, MOE, Engineering Technology Research Center for Wastewater Treatment and Reuse, Shaanxi Province, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China.
| | - Yongkun Wang
- International Science & Technology Cooperation Center for Urban Alternative Water Resources Development, Key Lab of Northwest Water Resource, Environment and Ecology, MOE, Engineering Technology Research Center for Wastewater Treatment and Reuse, Shaanxi Province, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Shiying Zhang
- International Science & Technology Cooperation Center for Urban Alternative Water Resources Development, Key Lab of Northwest Water Resource, Environment and Ecology, MOE, Engineering Technology Research Center for Wastewater Treatment and Reuse, Shaanxi Province, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Kai Zheng
- PetroChina Changqing Oilfield Company, Xi'an 710021, China
| | - Xiaochang C Wang
- International Science & Technology Cooperation Center for Urban Alternative Water Resources Development, Key Lab of Northwest Water Resource, Environment and Ecology, MOE, Engineering Technology Research Center for Wastewater Treatment and Reuse, Shaanxi Province, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China.
| | - Yu Lin
- International Science & Technology Cooperation Center for Urban Alternative Water Resources Development, Key Lab of Northwest Water Resource, Environment and Ecology, MOE, Engineering Technology Research Center for Wastewater Treatment and Reuse, Shaanxi Province, China; Shaanxi Key Laboratory of Environmental Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
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25
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Jin L, Gao Y, Yin J, Zhang X, He C, Wei Q, Liu X, Liang F, Zhao W, Zhao C. Functionalized polyurethane sponge based on dopamine derivative for facile and instantaneous clean-up of cationic dyes in a large scale. J Hazard Mater 2020; 400:123203. [PMID: 32947741 DOI: 10.1016/j.jhazmat.2020.123203] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 06/03/2020] [Accepted: 06/10/2020] [Indexed: 06/11/2023]
Abstract
Functionalized sponge adsorbent was prepared by a mussel-inspired strategy, which achieved successive modification of material and remained the properties of substrate. The dopamine derivative, DOPAm, was synthesized and adhered to polyurethane (PU) sponge before in situ polymerization with sodium p-styrenesulfonate. The adsorbent showed superior removal efficiency for cationic dyes (98.9 % for methylene blue (MB) at the concentration of 200 μmol/L); it took 1 s only for the adsorbent to adsorb the dyes by swelling and squeezing out the bulk solution simply. Meanwhile, the superior adsorption effect of the adsorbent could be maintained in a wide range of solution pH values from 1 to 13 at room temperature (293 K) in several repeat experiments, due to the slight influence of strong acid and alkali on polysulfonate. With unchanged other experimental conditions, the removal efficiency is still more than 90 % after reusing for 10 times at the different concentrations of MB dye solutions (50, 100, 200 μmol/L). For large-scale wastewater treatment, with the removal efficiency of 80.0 %, the adsorbent could purify 4.1 L wastewater containing MB dye (100 μmol/L) with the maximum flux of 22.2 L/(m3·s) without the assistance of any equipment except for a vacuum pump. Therefore, the adsorbent has great possibilities to be applied in high-efficient and convenient treatment of wastewater in a large scale.
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Affiliation(s)
- Lunqiang Jin
- The State Key Laboratory of Refractories and Metallurgy, Coal Conversion and New Carbon Materials Hubei Key Laboratory, School of Chemistry & Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, People's Republic of China; College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Yusha Gao
- College of Materials Science and Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Jiarui Yin
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Xiang Zhang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Chao He
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Qiang Wei
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Xiaoling Liu
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Feng Liang
- The State Key Laboratory of Refractories and Metallurgy, Coal Conversion and New Carbon Materials Hubei Key Laboratory, School of Chemistry & Chemical Engineering, Wuhan University of Science and Technology, Wuhan 430081, People's Republic of China.
| | - Weifeng Zhao
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China
| | - Changsheng Zhao
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610065, People's Republic of China.
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26
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Bardhan M, Novera TM, Tabassum M, Islam MA, Jawad AH, Islam MA. Adsorption of methylene blue onto betel nut husk-based activated carbon prepared by sodium hydroxide activation process. Water Sci Technol 2020; 82:1932-1949. [PMID: 33201856 DOI: 10.2166/wst.2020.451] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this study, activated carbon (AC) was prepared from agro-waste betel nut husks (BNH) through the chemical activation method. Different characterization techniques described the physicochemical nature of betel nut husks activated carbon (BNH-AC) through Fourier transform infrared spectroscopy (FTIR), Brunauer-Emmett-Teller (BET), scanning electron microscopy (SEM), and pH point of zero charge. Later, the produced AC was used for methylene blue (MB) adsorption via numerous batch experimental parameters: initial concentrations of MB dye (25-250 mg/L), contact time (0.5-24 hours) and initial pH (2-12). Dye adsorption isotherms were also assessed at three temperatures where the maximum adsorption capacity (381.6 mg/g) was found at 30 °C. The adsorption equilibrium data were best suited to the non-linear form of the Freundlich isotherm model. Additionally, non-linear pseudo-second-order kinetic model was better fitted with the experimental value as well. Steady motion of solute particles from the boundary layer to the BNH-AC's surface was the possible reaction dynamics concerning MB adsorption. Thermodynamic study revealed that the adsorption process was spontaneous and exothermic in nature. Saline water emerged as an efficient eluent for the desorption of adsorbed dye on AC. Therefore, the BNH-AC is a very promising and cost-effective adsorbent for MB dye treatment and has high adsorption capacity.
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Affiliation(s)
- Mondira Bardhan
- Environmental Science Discipline, Khulna University, Khulna 9208, Bangladesh E-mail:
| | - Tamanna Mamun Novera
- Environmental Science Discipline, Khulna University, Khulna 9208, Bangladesh E-mail:
| | - Mumtahina Tabassum
- Environmental Science Discipline, Khulna University, Khulna 9208, Bangladesh E-mail:
| | - Md Azharul Islam
- Forestry and Wood Technology Discipline, Khulna University, Khulna 9208, Bangladesh
| | - Ali H Jawad
- School of Chemistry and Environment, Faculty of Applied Sciences, Universiti Teknologi MARA, 40450 Shah Alam, Selangor, Malaysia
| | - Md Atikul Islam
- Environmental Science Discipline, Khulna University, Khulna 9208, Bangladesh E-mail:
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Sun P, Han M, Cao H, Liu W, Zhang S, Zhu J. Development and Performance Evaluation of Solid-Free Drilling Fluid for CBM Reservoir Drilling in Central Hunan. Energies 2020; 13:4857. [DOI: 10.3390/en13184857] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Solid-free drilling fluid is a matter of cardinal significance in the course of Coal bed Methane (CBM) reservoir drilling. This study evaluated the performance of solid-free CBM drilling fluid in central Hunan. Three types of surfactants, namely TX-10 (nonionic), HSB1618 (zwitterionic) and penetrant T (anionic), were added in basic fluid at various concentrations of 0.05, 0.10 and 0.15% (m/m). This study comprised of drilling fluid rheology, sample mineral analysis, sample nuclear magnetic resonance (NMR) scanning, sample wettability, and sample surface micro characteristics tests. The results show that TX-10 and HSB1618 enhance the rheological properties of drilling fluid, such as yield point and gel strength. Penetrant T has opposite effect on it. It was found that the minimum American Petroleum Institute (API) filtration is only 0.3 mL. This study adopted a new method using laser particle size analyzer to evaluate suspension performance. Based on the surface micro characteristics of the sample and the NMR scanning tests, it is found that the residual amount of basic fluid + HSB1618 in the sample is the smallest. The wettability modification curve indicates that three surfactants decrease the sample’s hydrophobicity. With the increase of surfactant concentration, all above parameters change regularly. The basic fluid + 0.10% HSB1618 has the strongest hydrophobicity for sample at pH = 10. This study obtained a set of solid-free drilling fluid system, which provides better suspension capacity and large contact angle and reduces residue of drilling fluid in CBM reservoir. Ultimately, it can accelerate the desorption of coal gas and reduce damage to the reservoir.
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28
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Zayed AM, Fathy M, Sillanpää M, Abdel Wahed MSM. Talc-graphite schist as a natural organo-mineral complex for methylene blue remediation: kinetic and isotherm study. SN Appl Sci 2020; 2. [DOI: 10.1007/s42452-020-2501-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
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