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Yu J, Bian Y, Wang R, Zhou S, Wang Z, Wang D, Li H. Coconut Shell Carbon Preparation for Rhodamine B Adsorption and Mechanism Study. Molecules 2024; 29:4262. [PMID: 39275110 PMCID: PMC11396976 DOI: 10.3390/molecules29174262] [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: 08/10/2024] [Revised: 08/31/2024] [Accepted: 09/03/2024] [Indexed: 09/16/2024] Open
Abstract
Phosphoric acid is used as a chemical activator to prepare coconut shell carbon (PCSC), and for investigating rhodamine B (RhB) adsorption performance. The optimal conditions for the preparation of PCSC (calcined temperature, phosphoric acid concentration), and the influence of adsorption conditions (concentration, pH, etc.) on RhB and the recovery performance of optimal carbon are investigated. Experimental results show that when the amount of PCSC (600 °C, 2 h) is 0.2 g, the initial RhB concentration is 10 mg/L, pH = 6, and the adsorption time is 30 min, it can have 95.84% RhB adsorption efficiency. Liquid ultraviolet spectroscopy also supports this adsorption performance. Characterization data showed that hydroxyl and ester groups, aromatic structures, and PO43- existed on the surface of PCSC, and the amount decreased with increasing calcined temperature. PCSC has a BET (N2) surface area of 408.59 m2/g and has a micropore distribution, EDS-detected P content is 3.91%. SEM showed that the PCSC formed micropores which could better adsorb RhB. The kinetic and thermodynamic analysis of the adsorption of RhB by PCSC showed that the adsorption process was in accord with quasi-secondary kinetic equations and ΔGθ was between -1.65 and -18.75 kJ/mol. The adsorption was a physical adsorption and a spontaneous endothermic reaction, and the obtained PCSC sorption isotherms were classified as Langmuir-type. The RhB adsorption mechanism on PCSC includes pore diffusion, hydrogen bonding, and π-π conjugation. The PCSC prepared by H3PO4 modification has superior adsorption and recycling performance for RhB, providing a reference for the preparation of other biomass carbon materials for the treatment of dye wastewater.
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Affiliation(s)
- Jinrui Yu
- Key Laboratory of Efficient Utilization of Forest Biomass Resources in Southwest China, National Forestry and Grassland Administration, Southwest Forestry University, Kunming 650224, China
| | - Yifan Bian
- Key Laboratory of Efficient Utilization of Forest Biomass Resources in Southwest China, National Forestry and Grassland Administration, Southwest Forestry University, Kunming 650224, China
| | - Rongfeng Wang
- Key Laboratory of Efficient Utilization of Forest Biomass Resources in Southwest China, National Forestry and Grassland Administration, Southwest Forestry University, Kunming 650224, China
| | - Shiping Zhou
- Key Laboratory of Efficient Utilization of Forest Biomass Resources in Southwest China, National Forestry and Grassland Administration, Southwest Forestry University, Kunming 650224, China
| | - Zhongying Wang
- Key Laboratory of Efficient Utilization of Forest Biomass Resources in Southwest China, National Forestry and Grassland Administration, Southwest Forestry University, Kunming 650224, China
| | - Dawei Wang
- Key Laboratory of Efficient Utilization of Forest Biomass Resources in Southwest China, National Forestry and Grassland Administration, Southwest Forestry University, Kunming 650224, China
| | - Huijuan Li
- Key Laboratory of Efficient Utilization of Forest Biomass Resources in Southwest China, National Forestry and Grassland Administration, Southwest Forestry University, Kunming 650224, China
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Zheng J, Sun L, Xue Y, Ye L, Fan Q. Construction of Pillared-Layer Metal-Organic Frameworks as an All-Visible-Light Switchable Photocatalyst for Aqueous Cr(VI) Reduction. Inorg Chem 2024; 63:15841-15850. [PMID: 39136643 DOI: 10.1021/acs.inorgchem.4c01946] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/27/2024]
Abstract
Recently, two-dimensional metal-organic frameworks that are photoactive have shown great potential for efficiently converting solar energy into chemical energy. In this work, we successfully synthesized and designed two M2-MOFs ([Cu(L1)((CH3)2NH)]n (Cu-MOF) and [Zn(L1)(CH3)2NH)]n (Zn-MOF), H2L1 = 4,4'-(benzo[c][1,2,5]thiadiazole-4,7-diyl)dibenzoic acid). Structural analysis suggests that the five-coordinated M(II) ion is surrounded by four oxygen ions from two ligands and one nitrogen atom from one dimethylamine molecule. The ligand spacer acts as a bridge between two SBUs and forms a 2D layer with rhomboid windows. These moieties are arranged in a staggered ABAB pattern, which likely aids in exfoliation. The UV-vis diffuse reflectance spectra (DRS) test shows that when the metal center in the MOF framework is replaced with Cu(II) ions, the light absorption range covers 200-1100 nm, which is much larger than the light absorption range of Zn-MOF. Moreover, the photoelectric current, electrochemical impedance spectra (EIS), and Mott-Schottky tests all indicate that Cu-MOF has better photoelectric properties. When applied to the photocatalytic reduction of Cr(VI), Cu-MOF and Zn-MOF can completely reduce Cr(VI) within 100 min under 450 nm LED light irradiation. Under sunlight irradiation, Cu-MOF can completely reduce Cr(VI) within 40 min, achieving the removal of Cr(VI) ions, which is much faster than the rate of Cr(VI) removal by Zn-MOF.
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Affiliation(s)
- Juan Zheng
- Shaanxi Environmental Investigation and Assessment Center, Xi'an 712099, China
| | - Luying Sun
- Shaanxi Environmental Investigation and Assessment Center, Xi'an 712099, China
| | - Yao Xue
- Shaanxi Environmental Investigation and Assessment Center, Xi'an 712099, China
| | - Lingfeng Ye
- Shaanxi Beizhan Anhuan Engineering Technology Co., Ltd, Xi'an 712099, China
| | - Qijuan Fan
- Zhongsheng Environmental Science & Technology Development Co., LTD, Xi'an 712099, China
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Hu C, Guo W, Zhen S, Li Y, Huang C, Zhan L. Bimetallic Ag/Fe-MOG derived flake-like Ag 2O/Fe 2O 3 p-n heterojunction for efficient photodegradation organic pollutants within a wide pH range. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 366:121686. [PMID: 38971057 DOI: 10.1016/j.jenvman.2024.121686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2023] [Revised: 06/26/2024] [Accepted: 07/01/2024] [Indexed: 07/08/2024]
Abstract
In this paper, we reported a facile and clean strategy to prepare the flake-like Ag2O/Fe2O3 bimetallic p-n heterojunction composites for photodegradation organic pollutants. The surface morphology, crystal structure, chemical composition and optical properties of Ag2O/Fe2O3 were characterized by SEM, high-resolution TEM images with EDX spectra, XRD, XPS, FT-IR and UV-vis DRS spectra respectively. The formation of Ag2O/Fe2O3 p-n heterojunction facilitated the interfacial transfer of electrons as well as the separation of charge carries. Hence, the as-synthesized Ag2O/Fe2O3-3 composites exhibited ultra-high photocatalytic activity. Under the experimental conditions of catalyst dosage of 0.4 mg mL-1 and irradiation time of 60 min, the degradation conversion rate of rhodamine B reached 96.1 %, which was 5.0 and 2.8 times of pure phase Ag2O and Fe2O3, respectively. Meanwhile, the degradation performance of Ag2O/Fe2O3-3 was not limited by pH, and it can achieve high degradation efficiency under 3-11. In addition, Ag2O/Fe2O3-3 also showed superb degradation ability for other common anionic dyes, cationic dyes and antibiotics. XPS and FT-IR spectra showed that Ag2O/Fe2O3-3 retained a carbon skeleton that facilitated electron transport and light absorption conversion. And the analyses of quenching experiment and EPR demonstrated •O2-, •OH and h+ were crucial reactive oxidant species contributing to the rapid organic pollutant degradation. This work provides new insights into obtaining p-n photocatalysts heterojunction with excellent catalytic activity for removing organic pollutants from wastewater.
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Affiliation(s)
- Congyi Hu
- Key Laboratory of Luminescence and Real-Time Analysis System, Chongqing Science and Technology Bureau, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, PR China
| | - Wan Guo
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Shujun Zhen
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Yuanfang Li
- College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Chengzhi Huang
- Key Laboratory of Luminescence and Real-Time Analysis System, Chongqing Science and Technology Bureau, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, PR China
| | - Lei Zhan
- Key Laboratory of Luminescence and Real-Time Analysis System, Chongqing Science and Technology Bureau, College of Pharmaceutical Sciences, Southwest University, Chongqing, 400715, PR China.
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Yuan Y, Li S, Zhu L. The use of bimetallic metal-organic frameworks as restoration materials for pollutants removal from water environment. ROYAL SOCIETY OPEN SCIENCE 2024; 11:240380. [PMID: 39086832 PMCID: PMC11289953 DOI: 10.1098/rsos.240380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 05/10/2024] [Accepted: 05/29/2024] [Indexed: 08/02/2024]
Abstract
Bimetallic metal-organic frameworks (BMOFs) are a class of functional porous materials constructed by coordination between nodes containing two different metal ions and organic ligands. Studies have shown that the catalytic activity of BMOFs is greatly improved owing to the adjustment of charge distribution and the increase of active sites as well as the synergistic effect between the bimetals, and the advantages of their large specific surface area, high porosity, unique structure and dispersed active centres make them available as important organic materials applied in the field of wastewater treatment. In this review, the preparation and construction methods for BMOFs in recent years are summarized, and we focus on their removal of different types of pollutants in the aqueous environment, including ions, dyes, pharmaceuticals or personal care products, phenolic compounds and microorganisms, as well as their corresponding removal mechanisms. In addition, we provide an outlook on their future opportunities and challenges in wastewater treatment.
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Affiliation(s)
- Yue Yuan
- Department of Chemistry, School of Science, Tianjin University, Tianjin300072, People’s Republic of China
| | - Shaocong Li
- Department of Chemistry, School of Science, Tianjin University, Tianjin300072, People’s Republic of China
| | - Lina Zhu
- Department of Chemistry, School of Science, Tianjin University, Tianjin300072, People’s Republic of China
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Li Y, Liu LE, Han H, Yuan X, Ji J, Xue L, Wu Y, Yang R. A signal-switchable photoelectrochemical biosensor for ultrasensitive detection of long non-coding RNA in cancer cells. Talanta 2024; 273:125878. [PMID: 38492286 DOI: 10.1016/j.talanta.2024.125878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2023] [Revised: 01/12/2024] [Accepted: 03/04/2024] [Indexed: 03/18/2024]
Abstract
Long non-coding RNA (LncRNA) as an emerging tumor biomarker plays a key factor in the early diagnosis of cancer. Herein, an innovative signal-switchable photoelectrochemical (PEC) biosensor based on ZrO2@CuO bimetallic oxides and T7 Exo-assisted signal amplification is reported for the ultrasensitive and selective detection of lncRNA (HOX gene antisense intergenic RNA, HOTAIR) in cancer cells. Firstly, MOFs-derived TiO2 nanodisks as an excellent photoactive material show an anodic background signal. When target lncRNA exists, the abundant auxiliary DNA1 is freed from T7 Exo-assisted cycle signal amplification, and then competitively hybridizes with auxiliary DNA2 on the electrode. Subsequently, bimetallic MOFs-derived ZrO2@CuO octahedra with a high specific surface area and porous structure are introduced into TiO2 nanodisks-modified biosensor, which appears a cathodic photocurrent and achieves a switchable signal. The developed signal-switchable PEC biosensor shows ultrasensitive detection of lncRNA HOTAIR with a detection limit of 0.12 fM, and can eliminate the false interference. Importantly, the established PEC biosensor has good correlation with RT-qPCR analysis (P < 0.05) for the quantification of lncRNA HOTAIR in cancer cells, which has great potential application for biomarker detection in the early diagnosis of cancer.
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Affiliation(s)
- Yuling Li
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Li-E Liu
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Hangchen Han
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Xinxin Yuan
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Jiangying Ji
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Linsheng Xue
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Yongjun Wu
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Ruiying Yang
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China.
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Ma X, Li Y, Du Y, Chen S, Bai Y, Li L, Qi C, Wu P, Zhang S. In-situ synthesis of ZIF-8 on magnetic pineapple leaf biochar as an efficient and reusable adsorbent for methylene blue removal from wastewater. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:24113-24128. [PMID: 38436853 DOI: 10.1007/s11356-024-32700-8] [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: 10/24/2023] [Accepted: 02/25/2024] [Indexed: 03/05/2024]
Abstract
The presence of organic dyes in aquatic systems poses a significant threat to ecosystems and human well-being. Due to recycling challenges, traditional commercial activated carbon is not cost-effective. To address this, an imidazolate acid zeolite framework-8 (ZIF-8)-modified magnetic adsorbent (ZMPLB-800) was synthesized through the in-situ formation of ZIF-8 and subsequent carbonization at 800 °C, using magnetic pineapple leaf biochar (MPLB) as a carrier. The porous structure of ZMPLB-800 facilitates the rapid passage of dye molecules, enhancing adsorption performance. ZMPLB-800 exhibited remarkable adsorption capacity for methylene blue (MB) across a pH range of 3-13, with a maximum adsorption capacity of 455.98 mg g-1. Adsorption kinetics and thermodynamics followed the pseudo-second-order kinetic model and Langmuir isotherm model. Mechanisms of MB adsorption included pore filling, hydrogen bonding, electrostatic interactions, π-π interactions, and complexation through surface functional groups. Additionally, ZMPLB-800 demonstrated excellent regeneration performance, recording a removal efficiency exceeding 87% even after five adsorption/desorption cycles. This study provides a novel strategy for treating dye wastewater with MOF composites, laying the foundation for waste biomass utilization.
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Affiliation(s)
- Xiaoxiao Ma
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, 13 Yanta Rd., Xi'an, 710055, China
| | - Yutong Li
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, 13 Yanta Rd., Xi'an, 710055, China
| | - Yile Du
- College of Liberal Arts & Sciences at Illinois, University of Illinois Urbana-Champaign, Champaign, IL, 61820, USA
| | - Shuangli Chen
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, 13 Yanta Rd., Xi'an, 710055, China
| | - Yunfan Bai
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, 13 Yanta Rd., Xi'an, 710055, China
| | - Lin Li
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, 13 Yanta Rd., Xi'an, 710055, China
| | - Chuhua Qi
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, 13 Yanta Rd., Xi'an, 710055, China
| | - Pingping Wu
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, 13 Yanta Rd., Xi'an, 710055, China
| | - Sijing Zhang
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, 13 Yanta Rd., Xi'an, 710055, China.
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Sun Z, Wang Y, Yang L, Liu J, Qi H, Huang Z, Wang X. RGO-Induced Flower-like Ni-MOF In Situ Self-Assembled Electrodes for High-Performance Hybrid Supercapacitors. ACS APPLIED MATERIALS & INTERFACES 2024; 16:584-593. [PMID: 38112556 DOI: 10.1021/acsami.3c14046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
Currently, the primary bottlenecks that hinder the widespread application of supercapacitors are low energy density and narrow potential windows. Herein, the hybrid supercapacitor with high energy density and wide potential window is constructed via an in situ self-assembly method employing RGO-induced flower-like MOF(Ni). Benefiting from the synergistic effect between RGO and MOF(Ni), the interfacial interactions are effectively improved, and the contact area with the electrolyte is enhanced, which increases the ion transfer kinetics and overall electrochemical performance. The MOF(Ni)@RGO electrode exhibits a specific capacitance of 1267.73 F g-1 at a current density of 1 A g-1. Crucially, the assembled MOF(Ni)@RGO//BC with a broad potential window and good stability employing a MOF(Ni)@RGO anode and biomass carbon cathode, combined with a 2 M PVA-KOH gel-electrolyte, achieves a maximum energy density of 70.16 Wh kg-1 at a power density of 2200.09 W kg-1, outperforming most reported supercapacitors. This hybrid supercapacitor exhibits excellent stability and high energy density, providing a novel strategy for further large-scale applications.
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Affiliation(s)
- Zhe Sun
- Key Laboratory of Bio-based Material Science & Technology, and College of Materials Science and Engineering, Northeast Forestry University, Harbin, Heilongjiang 150040, P.R. China
- Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin, Heilongjiang 150040, P.R. China
- Department of Chemical and Materials Engineering, University of Alberta, 9211-116 Street NW, Edmonton, Alberta T6G 1H9, Canada
| | - Yao Wang
- Key Laboratory of Bio-based Material Science & Technology, and College of Materials Science and Engineering, Northeast Forestry University, Harbin, Heilongjiang 150040, P.R. China
- Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin, Heilongjiang 150040, P.R. China
| | - Lifei Yang
- Key Laboratory of Bio-based Material Science & Technology, and College of Materials Science and Engineering, Northeast Forestry University, Harbin, Heilongjiang 150040, P.R. China
- Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin, Heilongjiang 150040, P.R. China
| | - Jingshuai Liu
- Key Laboratory of Bio-based Material Science & Technology, and College of Materials Science and Engineering, Northeast Forestry University, Harbin, Heilongjiang 150040, P.R. China
- Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin, Heilongjiang 150040, P.R. China
| | - Houjuan Qi
- Key Laboratory of Bio-based Material Science & Technology, and College of Materials Science and Engineering, Northeast Forestry University, Harbin, Heilongjiang 150040, P.R. China
- Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin, Heilongjiang 150040, P.R. China
| | - Zhanhua Huang
- Key Laboratory of Bio-based Material Science & Technology, and College of Materials Science and Engineering, Northeast Forestry University, Harbin, Heilongjiang 150040, P.R. China
- Engineering Research Center of Advanced Wooden Materials, Ministry of Education, Northeast Forestry University, Harbin, Heilongjiang 150040, P.R. China
| | - Xiaolei Wang
- Department of Chemical and Materials Engineering, University of Alberta, 9211-116 Street NW, Edmonton, Alberta T6G 1H9, Canada
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Wu Y, Zhong W, Wang X, Wu W, Muddassir M, Daniel O, Raj Jayswal M, Prakash O, Dai Z, Ma A, Pan Y. New Transition Metal Coordination Polymers Derived from 2-(3,5-Dicarboxyphenyl)-6-carboxybenzimidazole as Photocatalysts for Dye and Antibiotic Decomposition. Molecules 2023; 28:7318. [PMID: 37959737 PMCID: PMC10648955 DOI: 10.3390/molecules28217318] [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: 10/17/2023] [Revised: 10/24/2023] [Accepted: 10/24/2023] [Indexed: 11/15/2023] Open
Abstract
Coordination polymers (CPs) are an assorted class of coordination complexes that are gaining attention for the safe and sustainable removal of organic dyes from wastewater discharge by either adsorption or photocatalytic degradation. Herein, three different coordination polymers with compositions [Ni(HL)(H2O)2·1.9H2O] (1), [Mn3(HL)(L)(μ3-OH)(H2O)(phen)2·2H2O] (2), and [Cd(HL)4(H2O)]·H2O (3) (H3L = 2-(3,5-dicarboxyphenyl)-6-carboxybenzimidazole; phen = 1,10-phenanthroline) have been synthesized and characterized spectroscopically and by single crystal X-ray diffraction. Single crystal X-ray diffraction results indicated that 1 forms a 2D layer-like framework, while 2 exhibits a 3-connected net with the Schläfli symbol of (44.6), and 3 displays a 3D supramolecular network in which two adjacent 2D layers are held by π···π interactions. All three compounds have been used as photocatalysts to catalyze the photodegradation of antibiotic dinitrozole (DTZ) and rhodamine B (RhB). The photocatalytic results suggested that the Mn-based CP 2 exhibited better photodecomposition of DTZ (91.1%) and RhB (95.0%) than the other two CPs in the time span of 45 min. The observed photocatalytic mechanisms have been addressed using Hirshfeld surface analyses.
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Affiliation(s)
- Yu Wu
- School of Chemistry and Environmental Engineering, Sichuan University of Science & Engineering, Zigong 643000, China
| | - Wenxu Zhong
- School of Chemistry and Environmental Engineering, Sichuan University of Science & Engineering, Zigong 643000, China
| | - Xin Wang
- School of Chemistry and Environmental Engineering, Sichuan University of Science & Engineering, Zigong 643000, China
| | - Weiping Wu
- School of Chemistry and Environmental Engineering, Sichuan University of Science & Engineering, Zigong 643000, China
| | - Mohd. Muddassir
- Department of Chemistry, College of Sciences, King Saud University, Riyadh 11451, Saudi Arabia;
| | - Omoding Daniel
- Department of Chemistry, Faculty of Science, University of Lucknow, Lucknow 226007, India; (O.D.); (M.R.J.)
| | - Madhav Raj Jayswal
- Department of Chemistry, Faculty of Science, University of Lucknow, Lucknow 226007, India; (O.D.); (M.R.J.)
| | - Om Prakash
- Department of Chemistry, Faculty of Science, University of Lucknow, Lucknow 226007, India; (O.D.); (M.R.J.)
| | - Zhong Dai
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, and School of Pharmacy, Guangdong Medical University, Guangdong Medical University Key Laboratory of Research and Development of New Medical Materials, Dongguan 523808, China
| | - Aiqing Ma
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, and School of Pharmacy, Guangdong Medical University, Guangdong Medical University Key Laboratory of Research and Development of New Medical Materials, Dongguan 523808, China
| | - Ying Pan
- Guangdong Provincial Key Laboratory of Research and Development of Natural Drugs, and School of Pharmacy, Guangdong Medical University, Guangdong Medical University Key Laboratory of Research and Development of New Medical Materials, Dongguan 523808, China
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Li X, Chen X, Yan Y, Wang F, Feng L, Chen Y. Nitrogen-doped graphene for tetracycline removal via enhancing adsorption and non-radical persulfate activation. ENVIRONMENTAL RESEARCH 2023; 235:116642. [PMID: 37442259 DOI: 10.1016/j.envres.2023.116642] [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: 07/04/2022] [Revised: 07/09/2023] [Accepted: 07/10/2023] [Indexed: 07/15/2023]
Abstract
Nitrogen-doped graphene (NG) was synthesized via direct thermal annealing treatment. The obtained NG showed outstanding removal ability for tetracycline (TC) ascribed to enhanced adsorption and persulfate activation. The maximum TC adsorption capacity calculated from the Langmuir model of NG was 227.3 mg/g, which was 1.66 times larger than nitrogen-free graphene. The coexistence of NG and persulfate (PS) exhibited complete degradation of TC within 120 min attributed to the successful modification of nitrogen. Further analysis demonstrated that non-radical electron transfer was the dominant degradation pathway, which was different from the widely acknowledgeable radical mechanism. An electron donor-mediator-acceptor system was introduced, in which TC, NG, and PS performed as electron donor, mediator, and acceptor, respectively. The potential intermediates in the TC degradation process were detected and toxicity assessment was also performed. In addition, more than 75.8% of total organic carbon was removed, and excellent reusability was manifested in multiple adsorption and degradation experiments.
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Affiliation(s)
- Xiaolu Li
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China
| | - Xutao Chen
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China
| | - Yuanyuan Yan
- College of Chemistry and Environment Engineering, Yancheng Teachers University, Yancheng, Jiangsu Province, 224002, China
| | - Feng Wang
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China
| | - Leiyu Feng
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China.
| | - Yinguang Chen
- State Key Laboratory of Pollution Control and Resources Reuse, School of Environmental Science and Engineering, Tongji University, 1239 Siping Road, Shanghai, 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai, 200092, China
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Mohtasham H, Rostami M, Gholipour B, Sorouri AM, Ehrlich H, Ganjali MR, Rostamnia S, Rahimi-Nasrabadi M, Salimi A, Luque R. Nano-architecture of MOF (ZIF-67)-based Co 3O 4 NPs@N-doped porous carbon polyhedral nanocomposites for oxidative degradation of antibiotic sulfamethoxazole from wastewater. CHEMOSPHERE 2023; 310:136625. [PMID: 36181853 DOI: 10.1016/j.chemosphere.2022.136625] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 09/11/2022] [Accepted: 09/25/2022] [Indexed: 06/16/2023]
Abstract
Co3O4 NPs in N-doped porous carbon (Co3O4 NPs@N-PC) materials were prepared by one-pot pyrolysis of a ZIF-67 powder under N2 atmosphere and followed by oxidation under air atmosphere (200 °C) toward promotion catalytic activity and activation of peroxymonosulfate (PMS) to degradation sulfamethoxazole (SMZ). 2-methylimidazole was used as a nitrogen source and a competitive ligand for the synthesis of Co3O4 NPs@N-PC, which in addition to affecting nucleation and growth of the crystal, promotes the production of active Co-N sites. Co3O4 NPs@N-PC nano-architecture has high specific surface areas (250 m2 g-1) and is a non-toxic, effective and stable PMS activator. The effect of operating parameters including SMZ concentration, catalyst dosage, temperature and pH in the presence of Co3O4 NPs@N-PC was investigated. The Co3O4 NPs@N-PC composite showed superior performance in activating PMS over a wide range of pH (2-10) and different temperatures so that complete degradation of SMZ (50 μM, 100 mL) was achieved within 15 min. The role of Co2+/Co3+ redox system in the mechanism before and after PMS activation was determined using XPS analysis. Surface-generated radicals led to the degradation of SMZ, in which the SMZ degradation rate attained 0.21 min-1 with the mineralization of 36.8%. The feasible degradation mechanism of SMZ was studied in the presence of different scavengers and it was revealed that the degradation reaction proceeds from the radical/non-radical pathway and in this process most of the SO4- and OH radicals are dominant. The recoverability and reuse of Co3O4 NPs@N-PC were evaluated to confirm its stability and potential for SMZ degradation and it was observed that the catalyst maintains its catalytic power for at least 5 cycles.
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Affiliation(s)
- Hamed Mohtasham
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran; Department of Chemistry, University of Kurdistan, 66177-15175, Sanandaj, Iran; Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mojtaba Rostami
- School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Behnam Gholipour
- Organic and Nano Group (ONG), Department of Chemistry, Iran University of Science and Technology (IUST), PO Box 16846-13114, Tehran, Iran
| | - Amir Mohammad Sorouri
- Islamic Azad University, Science & Research Branch-Tehran, Faculty of Veterinary Science, Tehran, Iran
| | - Hermann Ehrlich
- Institute of Electronic and Sensor Materials, TU Bergakademie Freiberg, 09599, Freiberg, Germany; Center for Advanced Technology, Adam Mickiewicz University, 61614, Poznan, Poland
| | - Mohmmad Reza Ganjali
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran, Iran
| | - Sadegh Rostamnia
- Organic and Nano Group (ONG), Department of Chemistry, Iran University of Science and Technology (IUST), PO Box 16846-13114, Tehran, Iran.
| | - Mehdi Rahimi-Nasrabadi
- Chemical Injuries Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran; Institute of Electronic and Sensor Materials, TU Bergakademie Freiberg, 09599, Freiberg, Germany; Faculty of Pharmacy, Baqiyatallah University of Medical Sciences, Tehran, Iran.
| | - Abdollah Salimi
- Department of Chemistry, University of Kurdistan, 66177-15175, Sanandaj, Iran.
| | - Rafael Luque
- Departamento de Química Orgánica, Universidad de Córdoba, Campus de Rabanales, Edificio Marie Curie (C-3), Ctra Nnal IV-A, Km 396, E14014, Cordoba, Spain; Peoples Friendship University of Russia (RUDN University), 6 Miklukho Maklaya str., 117198, Moscow, Russia
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11
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Photocatalytic properties of two new isostructural cobalt(II) and nickel(II) complexes having terphenyl-3,3″,4,4″-teteacarboxylic acid. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.116158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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12
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Li H, Li D, Long M, Bai X, Wen Q, Song F. Solvothermal synthesis of MIL-53Fe@g-C3N4 for peroxymonosulfate activation towards enhanced photocatalytic performance. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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13
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Abbasnia A, Zarei A, Yeganeh M, Sobhi HR, Gholami M, Esrafili A. Removal of tetracycline antibiotics by adsorption and photocatalytic-degradation processes in aqueous solutions using metal organic frameworks (MOFs): A systematic review. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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14
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Zn/Co-ZIFs@MIL-101(Fe) metal–organic frameworks are effective photo-Fenton catalysts for RhB removal. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121099] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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15
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Chen Z, Wei W, Chen H, Ni BJ. Recent advances in waste-derived functional materials for wastewater remediation. ECO-ENVIRONMENT & HEALTH (ONLINE) 2022; 1:86-104. [PMID: 38075525 PMCID: PMC10702907 DOI: 10.1016/j.eehl.2022.05.001] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 04/28/2022] [Accepted: 05/08/2022] [Indexed: 01/17/2024]
Abstract
Water pollution is a major concern for public health and a sustainable future. It is urgent to purify wastewater with effective methods to ensure a clean water supply. Most wastewater remediation techniques rely heavily on functional materials, and cost-effective materials are thus highly favorable. Of great environmental and economic significance, developing waste-derived materials for wastewater remediation has undergone explosive growth recently. Herein, the applications of waste (e.g., biowastes, electronic wastes, and industrial wastes)-derived materials for wastewater purification are comprehensively reviewed. Sophisticated strategies for turning wastes into functional materials are firstly summarized, including pyrolysis and combustion, hydrothermal synthesis, sol-gel method, co-precipitation, and ball milling. Moreover, critical experimental parameters within different design strategies are discussed. Afterward, recent applications of waste-derived functional materials in adsorption, photocatalytic degradation, electrochemical treatment, and advanced oxidation processes (AOPs) are analyzed. We mainly focus on the development of efficient functional materials via regulating the internal and external characteristics of waste-derived materials, and the material's property-performance correlation is also emphasized. Finally, the key future perspectives in the field of waste-derived materials-driven water remediation are highlighted.
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Affiliation(s)
- Zhijie Chen
- Center for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, NSW, 2007, Australia
| | - Wei Wei
- Center for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, NSW, 2007, Australia
| | - Hong Chen
- State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, Shenzhen Key Laboratory of Interfacial Science and Engineering of Materials, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Bing-Jie Ni
- Center for Technology in Water and Wastewater, School of Civil and Environmental Engineering, University of Technology Sydney, NSW, 2007, Australia
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16
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Mukherjee D, Van der Bruggen B, Mandal B. Advancements in visible light responsive MOF composites for photocatalytic decontamination of textile wastewater: A review. CHEMOSPHERE 2022; 295:133835. [PMID: 35122821 DOI: 10.1016/j.chemosphere.2022.133835] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 01/21/2022] [Accepted: 01/31/2022] [Indexed: 05/24/2023]
Abstract
Heterogeneous photocatalysis using metal-organic frameworks (MOFs) is expected to provide a pivotal solution for the remediation of toxic dyes and heavy metals from textile wastewater. However, MOFs often suffer from a low removal efficiency, due to the rapid recombination between holes and electrons, generated upon photoexcitation. Additionally, the MOFs exhibit poor water stability, which restricts their large-scale application. In this regard, various approaches (i.e. doping of metal nanoparticle, semiconductor, quantum dot, and ligand functionalization) have been adopted for the formation of multifunctional composites. The MOF-composites possess suitable photochemical, surface, optical, and electronic properties, resulting in enhanced water stability, visible light absorption, and reduced recombination between photogenerated species. This comprehensive review targets to provide an insight into the synthesis and subsequent application of various MOF composites for photocatalytic removal of organic contaminants (dyes) and inorganic (Cr(VI)) contaminants from water. MOFs/graphene oxide composites possess improved surface area and reusability whereas noble metal incorporated MOFs composites suffer from photocorrosion and are relatively costly. Zr and Ti based MOFs exhibit tuning from UV to visible light response and surpass the poor water stability upon binary/ternary composite formation. The role of the dopants in enhancing the efficiency of the composites; the effect of influencing factors such as solution pH, pollutant concentration; the mechanism, and the kinetics of reactions have been outlined. In spite of many advancements, the article also summarizes some roadblocks that need to be unraveled to achieve the energy-water-environment nexus and scope for future breakthrough research in this field.
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Affiliation(s)
- Debarati Mukherjee
- Department of Chemical Engineering, Separation Science Laboratory, India Institute of Technology Guwahati, Guwahati, 781039, India.
| | - Bart Van der Bruggen
- Department of Chemical Engineering, Separation Science Laboratory, India Institute of Technology Guwahati, Guwahati, 781039, India; KU Leuven, Department of Chemical Engineering, ProcESS - Process Engineering for Sustainable Systems, Celestijnenlaan 200F, B - 3001, Leuven, Belgium.
| | - Bishnupada Mandal
- Department of Chemical Engineering, Separation Science Laboratory, India Institute of Technology Guwahati, Guwahati, 781039, India.
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17
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Zhang J, Xiang S, Wu P, Wang D, Lu S, Wang S, Gong F, Wei X, Ye X, Ding P. Recent advances in performance improvement of Metal-organic Frameworks to remove antibiotics: Mechanism and evaluation. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 811:152351. [PMID: 34919928 DOI: 10.1016/j.scitotenv.2021.152351] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/26/2021] [Accepted: 12/08/2021] [Indexed: 06/14/2023]
Abstract
Antibiotic pollution is a serious global problem, which may threaten the health of human and ecosystem. Thereinto, water pollution is the most common way. Thus, it is necessary to develop effective methods to remove antibiotics from the natural aqueous environments. Metal-organic Frameworks (MOFs) - based adsorption and photocatalysis strategies have been demonstrated to be efficient, environmental and promising methods to solve antibiotic pollution and repair the environment. In this review, several strategies to improve the properties of MOFs for removal were summarized and discussed. And the removal mechanisms were also discussed. Besides, new and more reliable evaluation methods of MOFs to remove antibiotics were presented, including preferential adsorption (qp), quantum yields (QY), space time yields (SY) and figure of merit (FOM). This paper provides alternative perspectives for researchers to improve the properties of MOFs and raise analytic efficiency of antibiotic removal.
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Affiliation(s)
- Jingwen Zhang
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Shan Xiang
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Pian Wu
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Danqi Wang
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Siyu Lu
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Shanlin Wang
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Fangjie Gong
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - XiaoQian Wei
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China
| | - Xiaosheng Ye
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China.
| | - Ping Ding
- Xiang Ya School of Public Health, Central South University, Changsha, Hunan 410078, China; Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, Hunan 410078, China.
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18
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Li D, Li H, Long M, Bai X, Zhao Q, Wen Q, Song F. Synergetic effect of photocatalysis and peroxymonosulfate activated by MIL-53Fe@TiO2 for efficient degradation of tetracycline hydrochloride under visible light irradiation. CrystEngComm 2022. [DOI: 10.1039/d2ce00372d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The MIL-53Fe was prepared by simple solvothermal method, and the MIL-53Fe photocatalysts showed lower photocatalytic activity for the degradation of tetracycline hydrochloride under visible light irradiation. After combined with TiO2,...
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19
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Uddin MJ, Ampiaw RE, Lee W. Adsorptive removal of dyes from wastewater using a metal-organic framework: A review. CHEMOSPHERE 2021; 284:131314. [PMID: 34198066 DOI: 10.1016/j.chemosphere.2021.131314] [Citation(s) in RCA: 112] [Impact Index Per Article: 37.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Revised: 06/15/2021] [Accepted: 06/20/2021] [Indexed: 05/10/2023]
Abstract
Water pollution from synthetic dyes is a growing environmental concern because many dyes have carcinogenic effects on humans and aquatic life. Adsorption is a widely used technology for the separation and removal of dyes from wastewater. However, the dye removal process using conventional adsorbents is not sufficiently efficient for industrial wastewater. Metal-organic frameworks (MOFs) addresses these drawbacks. MOF showed excellent dye removal and degradation capacity owing to its multifunctionality, water-stability, large surface area, tunable pore size and recyclability. Magnetic MOFs retained excellent performance up to several consecutive cycles. Modified MOFs performed as Fenton-like catalysis process which generated abundant reactive radicals that degraded complex organic dyes into simple and less toxic forms which were further adsorbed onto the MOF. This review systematically compiles in-depth studies on the adsorptive removal of dyes from wastewater, MOF adsorption mechanisms, major influencing factors, to adsorption efficiency of MOFs. While all MOFs adsorb dyes through electrostatic attraction, the type of MOF, presence of functional groups, ligands, and pH significantly control the adsorption mechanism. Before developing an MOF, optimization and upgradation of factors and interaction between available adsorption site and adsorbate is needed. Finally, the prospects and new frontiers of MOFs in sustainable water treatment is discussed.
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Affiliation(s)
- Md Jamal Uddin
- Department of Environmental Engineering, Kumoh National Institute of Technology, 61 Daehak-ro, Gumi, 39177, Republic of Korea
| | - Rita E Ampiaw
- Department of Environmental Engineering, Kumoh National Institute of Technology, 61 Daehak-ro, Gumi, 39177, Republic of Korea
| | - Wontae Lee
- Department of Environmental Engineering, Kumoh National Institute of Technology, 61 Daehak-ro, Gumi, 39177, Republic of Korea.
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20
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Wang W, Qu K, Zhang X, Teng M, Huang Z. Integrated Instillation Technology for the Synthesis of a pH-Responsive Sodium Alginate/Biomass Charcoal Soil Conditioner for Controlled Release of Humic Acid and Soil Remediation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:13386-13397. [PMID: 34730340 DOI: 10.1021/acs.jafc.1c04121] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In this work, pH-responsive gel spheres for controlled release of humic acid (CSGCHs) were prepared by an integrated instillation technology using a composite material of sodium alginate (SA) and charcoal activated carbon (CAC) as a carrier, and their slow-release performance, pH-responsive performance, and soil amendment performance were investigated. The results showed that the prepared CSGCH was uniform in size with obvious base responsiveness. Soil remediation experiments revealed that CSGCH could play a good role in the remediation of different types of soils. After 50 days of remediation, the content of nutrients and organic matter in the soil increased significantly and the pH and salt content of saline soils decreased by 15.2 and 29.8%, respectively. The plant experiment showed that CSGCH could effectively promote the growth of crops. Therefore, the prepared soil conditioner has a great potential value for improving soil conditions and promoting crop growth in agricultural applications.
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Affiliation(s)
- Weicong Wang
- Key Laboratory of Bio-based Material Science & Technology, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Keqi Qu
- Key Laboratory of Bio-based Material Science & Technology, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Xinrui Zhang
- Key Laboratory of Bio-based Material Science & Technology, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Min Teng
- Key Laboratory of Bio-based Material Science & Technology, Ministry of Education, Northeast Forestry University, Harbin 150040, China
| | - Zhanhua Huang
- Key Laboratory of Bio-based Material Science & Technology, Ministry of Education, Northeast Forestry University, Harbin 150040, China
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21
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Saedi Z, Hajinia N. Concurrent first- and second-order photodegradation of azo dyes using TMU-16 pillared-layer microporous metal organic framework under visible light. J SOLID STATE CHEM 2021. [DOI: 10.1016/j.jssc.2021.122210] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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22
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Simultaneous introduction of oxygen vacancies and hierarchical pores into titanium-based metal-organic framework for enhanced photocatalytic performance. J Colloid Interface Sci 2021; 599:785-794. [PMID: 33989931 DOI: 10.1016/j.jcis.2021.04.134] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 04/25/2021] [Accepted: 04/26/2021] [Indexed: 11/24/2022]
Abstract
Photo-generated radicals play an important role in photocatalytic reactions, yet numerous radicals undergo self-quenching before contact with the substrate because of their ultrafast lifetimes and limited diffusion distances, which decreases the utilization of free radicals and reduces the activity of photocatalysts. Herein, both hierarchical pores and oxygen vacancies (OVs) were successfully introduced into a titanium-based metal-organic framework (MOF), namely MIL-125-NH2 (MIL for Materials of Institut Lavoisier), via a simple and controllable acid etching method. The generation of OVs increased the yield of photogenerated radicals, while the hierarchical pore structure conferred a pore enrichment effect, thus enhancing the utilization of photogenerated radicals. Owing to the synergistic effect of the hierarchical pores and OVs, the obtained single-crystal nanoreactor, H-MIL-125-NH2-VO, showed much higher catalytic activity for rhodamine (RhB) degradation than pristine MIL-125-NH2. In fact, the rate constant for catalytic RhB degradation in H-MIL-125-NH2-VO was approximately eight times that of MIL-125-NH2. This work highlights the significant contribution of both hierarchical pores and OVs to enhancing the photocatalytic performance of MOFs.
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23
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Zhao G, Hu J, Zou J, Yu J, Jiao F, Chen X. The construction of NiFeS x/g-C 3N 4 composites with high photocatalytic activity towards the degradation of refractory pollutants. Dalton Trans 2021; 50:2436-2447. [PMID: 33507196 DOI: 10.1039/d0dt04096g] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, a novel NiFe layered double hydroxide-derived sulfide (NiFeSx)-modified g-C3N4 nanosheet photocatalyst (NiFeSx/g-C3N4) was synthesized, and its morphology, structure and visible light absorption capacity were simultaneously characterized by XRD, SEM, TEM, FT-IR, XPS, UV-Vis DRS, PL techniques and EIS Nyquist plots. Furthermore, it was discovered that at an optimum mass ratio of 3% (NiFeSx to g-C3N4), 3% NiFeSx/g-C3N4 composites exhibited the best degradation efficiency toward tetracycline hydrochloride refractory pollutants. The degradation rate of tetracycline hydrochloride by 3% NiFeSx/g-C3N4 composites was 92.54% under 70 min of visible light illumination, which was about 2.61 times higher than that of pure g-C3N4. The improved degradation activity may be attributed to the synergistic effect between the two constituents of as-synthesized composites, and the formed heterojunction reduced the efficiency of photogenerated carriers. More importantly, this work also gives some inspiration to synthesize some similar photocatalysts for a targeted environmental remediation.
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Affiliation(s)
- Guoqing Zhao
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, People's Republic of China.
| | - Jun Hu
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, People's Republic of China.
| | - Jiao Zou
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, People's Republic of China.
| | - Jingang Yu
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, People's Republic of China.
| | - Feipeng Jiao
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, People's Republic of China.
| | - Xiaoqing Chen
- School of Chemistry and Chemical Engineering, Central South University, Changsha 410083, People's Republic of China.
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24
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Xue Q, Xie Y, Wu S, Wu TS, Soo YL, Day S, Tang CC, Man HW, Yuen ST, Wong KY, Wang Y, Lo BTW, Tsang SCE. A rational study on the geometric and electronic properties of single-atom catalysts for enhanced catalytic performance. NANOSCALE 2020; 12:23206-23212. [PMID: 33201980 DOI: 10.1039/d0nr06006b] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
We investigate the geometric and electronic properties of single-atom catalysts (SACs) within metal-organic frameworks (MOFs) with respect to electrocatalytic CO2 reduction as a model reaction. A series of mid-to-late 3d transition metals have been immobilised within the microporous cavity of UiO-66-NH2. By employing Rietveld refinement of new-generation synchrotron diffraction, we not only identified the crystallographic and atomic parameters of the SACs that are stabilised with a robust MN(MOF) bonding of ca. 2.0 Å, but also elucidated the end-on coordination geometry with CO2. A volcano trend in the FEs of CO has been observed. In particular, the confinement effect within the rigid MOF can greatly facilitate redox hopping between the Cu SACs, rendering high FEs of CH4 and C2H4 at a current density of -100 mA cm-2. Although only demonstrated in selected SACs within UiO-66-NH2, this study sheds light on the rational engineering of molecular interactions(s) with SACs for the sustainable provision of fine chemicals.
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Affiliation(s)
- Qi Xue
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen, China.
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25
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Jaiswal KK, Dutta S, Pohrmen CB, Verma R, Kumar A, Ramaswamy AP. Bio-waste chicken eggshell-derived calcium oxide for photocatalytic application in methylene blue dye degradation under natural sunlight irradiation. INORG NANO-MET CHEM 2020. [DOI: 10.1080/24701556.2020.1813769 10.1080/24701556.2020.1813769] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Krishna Kumar Jaiswal
- Laboratory for Energy Materials and Sustainability, Department of Green Energy Technology, Pondicherry University, Puducherry, India
- Algae Research and Bio-energy Laboratory, Department of Chemistry, Uttaranchal University, Dehradun, India
| | - Swapnamoy Dutta
- Laboratory for Energy Materials and Sustainability, Department of Green Energy Technology, Pondicherry University, Puducherry, India
| | - Cheryl Bernice Pohrmen
- Laboratory for Energy Materials and Sustainability, Department of Green Energy Technology, Pondicherry University, Puducherry, India
| | - Ravikant Verma
- Department of Ecology and Environmental Sciences, Pondicherry University, Puducherry, India
| | - Arvind Kumar
- Department of Ecology and Environmental Sciences, Pondicherry University, Puducherry, India
| | - Arun Prasath Ramaswamy
- Laboratory for Energy Materials and Sustainability, Department of Green Energy Technology, Pondicherry University, Puducherry, India
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26
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Jaiswal KK, Dutta S, Pohrmen CB, Verma R, Kumar A, Ramaswamy AP. Bio-waste chicken eggshell-derived calcium oxide for photocatalytic application in methylene blue dye degradation under natural sunlight irradiation. INORG NANO-MET CHEM 2020. [DOI: 10.1080/24701556.2020.1813769] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Krishna Kumar Jaiswal
- Laboratory for Energy Materials and Sustainability, Department of Green Energy Technology, Pondicherry University, Puducherry, India
- Algae Research and Bio-energy Laboratory, Department of Chemistry, Uttaranchal University, Dehradun, India
| | - Swapnamoy Dutta
- Laboratory for Energy Materials and Sustainability, Department of Green Energy Technology, Pondicherry University, Puducherry, India
| | - Cheryl Bernice Pohrmen
- Laboratory for Energy Materials and Sustainability, Department of Green Energy Technology, Pondicherry University, Puducherry, India
| | - Ravikant Verma
- Department of Ecology and Environmental Sciences, Pondicherry University, Puducherry, India
| | - Arvind Kumar
- Department of Ecology and Environmental Sciences, Pondicherry University, Puducherry, India
| | - Arun Prasath Ramaswamy
- Laboratory for Energy Materials and Sustainability, Department of Green Energy Technology, Pondicherry University, Puducherry, India
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27
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Wang Y, Ge S, Cheng W, Hu Z, Shao Q, Wang X, Lin J, Dong M, Wang J, Guo Z. Microwave Hydrothermally Synthesized Metal-Organic Framework-5 Derived C-doped ZnO with Enhanced Photocatalytic Degradation of Rhodamine B. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:9658-9667. [PMID: 32787068 DOI: 10.1021/acs.langmuir.0c00395] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
C-doped ZnO particles have been successfully prepared by the calcination using microwave hydrothermally prepared metal-organic framework-5 (MOF-5) as the precursor. MOF-5 was turned into C-doped ZnO through calcination at 500 °C, and its cubic shape was well-maintained. X-ray photoelectron spectroscopic studies confirmed the C-doping in the ZnO. The as-prepared C-doped ZnO demonstrated a Rhodamine B (RhB) degradation efficiency of 98% in 2 h under an solar-simulated light irradiation, much higher than that of C-doped ZnO derived from MOF-5 synthesized by the ordinary hydrothermal method. The trapping experiment revealed that the crucial factors in the RhB removal were photogenerated h+ and •O2-.
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Affiliation(s)
- Yingming Wang
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, People's Republic of China
| | - Shengsong Ge
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, People's Republic of China
| | - Wei Cheng
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, People's Republic of China
| | - Zunju Hu
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, People's Republic of China
| | - Qian Shao
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, People's Republic of China
| | - Xiaojing Wang
- School of Materials Science and Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
| | - Jing Lin
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou 510006, China
| | - Mengyao Dong
- Key Laboratory of Materials Processing and Mold (Zhengzhou University), Ministry of Education, National Engineering Research Center for Advanced Polymer Processing Technology, Zhengzhou University, Zhengzhou 450001, China
| | - Junxiang Wang
- College of Chemical and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, People's Republic of China
| | - Zhanhu Guo
- Integrated Composites Laboratory (ICL), Department of Chemical & Biomolecular Engineering, University of Tennessee, Knoxville, Tennessee 37996, United States
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