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Zeng G, Si M, Dong C, Liao Q, He F, Johnson VE, Arinzechi C, Yang W, Yang Z. Adsorption behavior of lead, cadmium, and arsenic on manganese-modified biochar: competition and promotion. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2024; 46:86. [PMID: 38367055 DOI: 10.1007/s10653-024-01865-z] [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: 11/07/2023] [Accepted: 01/09/2024] [Indexed: 02/19/2024]
Abstract
Biochar adsorption of heavy metals has been a research hotspot, yet there has been limited reports on the effect of heavy metal interactions on adsorption efficiency in complex systems. In this study, the adsorbent was prepared by pyrolysis of rice straw loaded with manganese (BC-Mn). The interactions of Pb, Cd and As adsorption on BC-Mn were systematically studied. The results of the adsorption isotherms for the binary metal system revealed a competitive adsorption between Pb and Cd, resulting in decreased Pb (from 214.38 mg/g to 148.20 mg/g) and Cd (from 165.73 mg/g to 92.11 mg/g). A notable promotion occurred between As and Cd, showing an increase from 234.93 mg/g to 305.00 mg/g for As and 165.73 mg/g to 313.94 mg/g for Cd. In the ternary metal system, Pb inhibition did not counteract the promotion of Cd and As. Furthermore, the Langmuir isotherm effectively described BC-Mn's adsorption process in monometallic, binary, and ternary metal systems (R2 > 0.9294). Zeta and FTIR analyses revealed simultaneous competition between Pb and Cd for adsorption on BC-Mn's -OH sites. XPS analysis revealed that As adsorption by BC-Mn facilitated the conversion of MnO2 and MnO to MnOOH, resulting in increased hydroxyl radical production on BC-Mn's surface. Simultaneously, Cd combined with the adsorbed As to form ternary Cd-As-Mn complexes, which expedited the removal of Cd. These results help to provide theoretical support as well as technical support for the treatment of Pb-Cd-As contaminated wastewater.
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Affiliation(s)
- Gai Zeng
- Department of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha, 410083, Hunan, People's Republic of China
| | - Mengying Si
- Department of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha, 410083, Hunan, People's Republic of China
- Chinese National Engineering Research Center for Control and Treatment of Heavy Metal Pollution, Changsha, 410083, People's Republic of China
| | - Chunhua Dong
- Soil and Fertilizer Institute of Hunan Province, Changsha, 410083, People's Republic of China
| | - Qi Liao
- Department of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha, 410083, Hunan, People's Republic of China
- Chinese National Engineering Research Center for Control and Treatment of Heavy Metal Pollution, Changsha, 410083, People's Republic of China
| | - Fangshu He
- Department of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha, 410083, Hunan, People's Republic of China
| | - Varney Edwin Johnson
- Department of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha, 410083, Hunan, People's Republic of China
| | - Chukwuma Arinzechi
- Department of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha, 410083, Hunan, People's Republic of China
| | - Weichun Yang
- Department of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha, 410083, Hunan, People's Republic of China
- Chinese National Engineering Research Center for Control and Treatment of Heavy Metal Pollution, Changsha, 410083, People's Republic of China
| | - Zhihui Yang
- Department of Environmental Engineering, School of Metallurgy and Environment, Central South University, Changsha, 410083, Hunan, People's Republic of China.
- Chinese National Engineering Research Center for Control and Treatment of Heavy Metal Pollution, Changsha, 410083, People's Republic of China.
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2
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Aslam A, Batool F, Noreen S, Abdelrahman EA, Mustaqeem M, Albalawi BFA, Ditta A. Metal Oxide-Impregnated Biochar for Azo Dye Remediation as Revealed through Kinetics, Thermodynamics, and Response Surface Methodology. ACS OMEGA 2024; 9:4300-4316. [PMID: 38313481 PMCID: PMC10832006 DOI: 10.1021/acsomega.3c05321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2023] [Revised: 12/22/2023] [Accepted: 01/08/2024] [Indexed: 02/06/2024]
Abstract
This study reports for the first time the adsorption capacity of a novel adsorbent Croton bonplandianus Baill. biochar. Its adsorption capacity was further enhanced by loading magnetic composites on it, which makes it an efficient medium for the adsorption of dyes. Two azo dyes, Basic Brown 1 (BB1) and Basic Orange 2 (BO2), were studied for their effective adsorption from aqueous media. A comprehensive characterization was performed by using scanning electron microscopy (SEM) and Fourier transform infrared spectroscopy (FTIR) to study the properties of Fe2O3-loaded C. bonplandianus Baill. biochar (FO-CBPBB). A series of batch experiments were conducted to optimize various parameters (pH, contact time, adsorbent amount, initial BB1 and BO2 concentrations, and temperature) for the maximum adsorption of BB1 and BO2 on the FO-CBPBB adsorbent. The percentage of BB1 and BO2 dyes that adsorb to FO-CBPBB under the best experimental circumstances (pH of solution 7, contact time 80 min, temperature of solution 40 °C, initial BB1 and BO2 dye concentrations 80 mg L-1, and adsorbent dose 1 g L-1) was 93 and 95%, respectively. The best adsorption of BB1 and BO2 was accomplished by optimizing the effects of several factors, including the starting dye concentration, contact time, and temperature, based on the central composite design. The Freundlich and Langmuir isotherm models were used to examine the equilibrium data. The Langmuir isotherm with the greatest adsorption capacity and R2 value effectively captured the experimental results. When kinetic parameters were investigated, it was found that pseudo-second-order was appropriate, reflecting the fact that the dye-adsorbent interaction was the rate-controlling factor in this study. The sorption process was endothermic and spontaneous, as shown by the thermodynamic variables. Based on the interaction between the adsorbent and azo dyes, it was concluded that the adsorption process was electrostatic in nature. Adsorbents that have been synthesized can effectively remove azo dyes from wastewater. Excellent regeneration efficiency was exhibited by FO-CBPBB, which makes it an eco-friendly and cost-effective alternative to other costly techniques applied for water purification.
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Affiliation(s)
- Adeel Aslam
- Institute
of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Fozia Batool
- Institute
of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Sobia Noreen
- Institute
of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | - Ehab A. Abdelrahman
- Department
of Chemistry, College of Science, Imam Mohammad
Ibn Saud Islamic University (IMSIU), Riyadh 11623, Saudi Arabia
- Chemistry
Department, Faculty of Science, Benha University, Benha 13518, Egypt
| | - Muhammad Mustaqeem
- Institute
of Chemistry, University of Sargodha, Sargodha 40100, Pakistan
| | | | - Allah Ditta
- Department
of Environmental Sciences, Shaheed Benazir
Bhutto University Sheringal, Upper Dir 18000, Pakistan
- School of
Biological Sciences, The University of Western
Australia, 35 Stirling
Highway, Perth, WA 6009, Australia
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Jiang W, Cai Y, Liu D, Shi Q, Wang Q. Adsorption properties and mechanism of suaeda biochar and modified materials for tetracycline. ENVIRONMENTAL RESEARCH 2023; 235:116549. [PMID: 37474093 DOI: 10.1016/j.envres.2023.116549] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2023] [Revised: 06/21/2023] [Accepted: 07/02/2023] [Indexed: 07/22/2023]
Abstract
Adsorption was an available way to eliminate Tetracycline (TC) from waste water. Suaeda biochar (800SBC) and iron modified biochar (Fe-800SBC) were prepared using pyrolysis under oxygen-limiting conditions. BET and SEM showed that the surface of Fe-800SBC was rougher, and the specific surface area (SBET) was 7 times that of 800SBC. There existed pore filling, ion exchange, metal ion complexation, hydrogen bonds and cation-π interaction mechanism. Both 800SBC and Fe-800SBC conformed to quasi-second-order kinetics model, belonged to chemisorption. Fe-800SBC conformed to Elovich model too. The adsorption process of 800SBC conformed to Freundlich and Sips L-F models, Fe-800SBC conformed to the Sips L-F and Temkin models, identifying the presence of physical and chemical adsorption during adsorption. Response surface method (RSM) was used to optimize important process parameters. The quadratic model was sufficient to predict TC removal response in the range of studied parameters.
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Affiliation(s)
- Weili Jiang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, 121013, China
| | - Yanrong Cai
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, 121013, China.
| | - Di Liu
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, 121013, China
| | - Qixian Shi
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, 121013, China
| | - Qiong Wang
- College of Chemistry and Materials Engineering, Bohai University, Jinzhou, 121013, China
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Bharadwaj B, Dutta S, Qaiyum MA, Samal PP, Dey B, Dey S. Pristine wild sugarcane ( Saccharum spontaneum) as a biosorbent for removal of methylene blue from wastewater: isotherm, kinetics and regeneration studies. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2023; 26:684-698. [PMID: 37789562 DOI: 10.1080/15226514.2023.2260002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
Saccharum spontaneum, popularly known as Kashful (KF) is a seasonal perennial grass with thin culms, mostly an abundantly growing shrub during the autumn season in southern Asia. It is used as no-cost scavenger to convincingly arrest methylene blue, a recalcitrant dye from colored effluent. FTIR, FESEM-EDX, and BET surface area characterize the material well whereas the surface activity was evaluated from zero-point charge (pHZPC = 6.720). FTIR highlights the presence of polyphenolic and carboxylate moieties. The surface texture is rod-like with intermittent non-homogeneous pores with occasional fractures. The equilibrium reaches within 60 min with the maximum adsorption capacity of 20.917 mg/g. The fibrous powder of kashful stalk (KFS) follows pseudo-second-order (R2 = 0.999 for linear and R2 = 0.985 for non-linear) kinetics and both Langmuir and Freundlich isotherm model (for linear, Langmuir R2=0.995; for non-linear, R2 = 0.994 for both Langmuir and Freundlich model). The uptake process was spontaneous (ΔG= -3.077 kJ/mol) and endothermic (ΔH = 17.815 kJ/mol). 1:1 methanol could regenerate the dye-loaded material in up to 55% and onward efficiency was conducive for three consecutive cycles. Industrial effluent analysis suggests a real-time removal of ∼55% in the first cycle. Saccharum spontaneum could be exercised to solve environmental problems related to colored water.
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Affiliation(s)
- Bidisha Bharadwaj
- Environment Protection Laboratory, Department of Chemistry, Central University of Jharkhand, Brambe, India
| | - Subhashri Dutta
- Environment Protection Laboratory, Department of Chemistry, Central University of Jharkhand, Brambe, India
| | - Md Atif Qaiyum
- Environment Protection Laboratory, Department of Chemistry, Central University of Jharkhand, Brambe, India
| | | | - Banashree Dey
- Department of Chemistry, The Graduate School College for Women Jamshedpur, Jamshedpur, India
| | - Soumen Dey
- Environment Protection Laboratory, Department of Chemistry, Central University of Jharkhand, Brambe, India
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François M, Lin KS, Rachmadona N, Khoo KS. Advancement of biochar-aided with iron chloride for contaminants removal from wastewater and biogas production: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 874:162437. [PMID: 36858210 DOI: 10.1016/j.scitotenv.2023.162437] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/16/2023] [Accepted: 02/20/2023] [Indexed: 06/18/2023]
Abstract
The use of fossil fuels, emission of greenhouse gases (GHG) into the atmosphere, and waste pose a problem to the environment and public health that urgently needs to be dealt with. Among numerous chemical activating agents that can be added to anaerobic digestion (AD) to enhance nutrient removal and increase the quality and quantity of biomethane, iron chloride (FeCl3) is the one that has the lowest cost and is the most environmentally friendly. This state-of-the-art review aims to revise the influence of FeCl3 on the Brunauer-Emmett-Teller (BET) surface area of biochar and its ability to increase methane (CH4) yield and remove contaminants from biogas and wastewater. The novelty of the study is that FeCl3, an activating agent, can increase the BET surface area of biochar, and its efficacy increases when combined with zinc chloride or phosphoric acid. Regarding the removal of contaminants from wastewater and biogas, FeCl3 has proven to be an effective coagulant, reducing the chemical oxygen demand (COD) of wastewater and hydrogen sulfide in biogas. The performance of FeCl3 depends on the dosage, pH, and feedstock used. Therefore, FeCl3 can increase the BET surface area of biochar and CH4 yield and remove contaminants from wastewater and biogas. More research is needed to investigate the ability of FeCl3 to remove water vapor and carbon dioxide during biogas production while accounting for a set of other parameters, including FeCl3 size.
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Affiliation(s)
- Mathurin François
- Department of Chemical Engineering and Materials Science/Environmental Technology Research Center, Yuan Ze University, Chung-Li District, Taoyuan City 32003, Taiwan; Environmental Technology Research Center, Yuan Ze University, Chung-Li District, Taoyuan City 32003, Taiwan
| | - Kuen-Song Lin
- Department of Chemical Engineering and Materials Science/Environmental Technology Research Center, Yuan Ze University, Chung-Li District, Taoyuan City 32003, Taiwan; Environmental Technology Research Center, Yuan Ze University, Chung-Li District, Taoyuan City 32003, Taiwan.
| | - Nova Rachmadona
- Department of Chemistry, Faculty of Mathematics and Natural Science, Universitas Padjadjaran, Jatinangor, West Java 45363, Indonesia; Research Collaboration Center for Biomass and Biorefinery between BRIN and Universitas Padjadjaran, Jatinangor, West Java 45363, Indonesia
| | - Kuan Shiong Khoo
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan, Taiwan..
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Mohrazi A, Ghasemi-Fasaei R. Removal of methylene blue dye from aqueous solution using an efficient chitosan-pectin bio-adsorbent: kinetics and isotherm studies. ENVIRONMENTAL MONITORING AND ASSESSMENT 2023; 195:339. [PMID: 36705863 DOI: 10.1007/s10661-022-10900-4] [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: 06/08/2022] [Accepted: 12/28/2022] [Indexed: 06/18/2023]
Abstract
Wastewater contains organic compounds, including dyes, which have potential risks to the environment. Hence, these compound needs to be eliminated from the aqueous solution. In the present study, chitosan-pectin composite (Cs-Pc) was used as an adsorbent to remove methylene blue dye (MB) from synthetic wastewater. To evaluate the parameters affecting adsorption, including the initial MB concentration, solution pH, contact time, and Cs-Pc dose, batch experiments were carried out. Scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), Fourier transform infrared (FTIR), and pH point of zero charges (pH pzc) were applied for characterizations of Cs-Pc. The optimum conditions were obtained with an initial MB concentration of 50 mg L-1: solution pH ~ 11, Cs-Pc dose: 1.5 g L-1 and 180 min contact time, which caused 97.77% of MB removal. In addition, the removal efficiency of MB was more influenced by pH than by sorbate dose. Also, Cs-Pc had a higher ability to remove MB than chitosan and pectin, probably due to its highly porous structure and rough surfaces that provides active sites and facilitate MB adsorption. The maximum removal efficiency and the adsorption capacity of MB onto Cs-Pc at 500 mg L-1 concentration under optimum conditions were 98.67% and 328.02 mg g-1, respectively. The adsorption kinetics and isotherms were best described by pseudo-second-order and Freundlich equation, respectively. After four times of recycling, the removal efficiency of MB was above 96%. Electrostatic and pi-pi interactions are the main mechanisms for the removal of MB onto the adsorbent. So the application of Cs-Pc is promising for MB removal from polluted solutions not only due to its strong adsorbing capability but also due to its excellent ability to reuse.
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Affiliation(s)
- Ava Mohrazi
- Department of Soil Science, School of Agriculture, Shiraz University, Shiraz, Iran.
| | - Reza Ghasemi-Fasaei
- Department of Soil Science, School of Agriculture, Shiraz University, Shiraz, Iran
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Study of the adsorption of methylene blue by phytoremediation-plant biomass carbon. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Liu Z, Khan TA, Islam MA, Tabrez U. A review on the treatment of dyes in printing and dyeing wastewater by plant biomass carbon. BIORESOURCE TECHNOLOGY 2022; 354:127168. [PMID: 35436542 DOI: 10.1016/j.biortech.2022.127168] [Citation(s) in RCA: 35] [Impact Index Per Article: 17.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 04/11/2022] [Accepted: 04/13/2022] [Indexed: 06/14/2023]
Abstract
Printing and dyeing wastewater (PDW) has characteristics of large amount of water, elevated content of residual dyes, poor biodegradability, high alkalinity and large change of water quality, making its treatment difficult. Development of efficient and economic PDW treatment technology has gained considerable interest in the field of environmental protection. Use of plant biomass carbon (PBC) for the adsorption of dyes is a feasible and economical technology. This review summarizes current literature discussing the preparation method and physicochemical characteristics of PBC prepared from different plant species, the effect of PBC on the removal of dyes, influencing factors affecting the removal, and relevant adsorption models. The shortcomings of current research and the direction of future research are also pointed out in the review.
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Affiliation(s)
- Zhongchuang Liu
- Green Intelligence Environmental School, Yangtze Normal University, No. 16, Juxian Avenue, Fuling District, Chongqing, China; Chongqing Multiple-source Technology Engineering Research Center for Ecological Environment Monitoring, Yangtze Normal University, No. 16, Juxian Avenue, Fuling District, Chongqing, China
| | - Tabrez Alam Khan
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India.
| | - Md Azharul Islam
- Forestry and Wood Technology Discipline, Khulna University, Khulna, Bangladesh
| | - Unsha Tabrez
- Chegg India Pvt. Ltd., 401, Baani Corporate One, Jasola, New Delhi 110 025, India
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