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Samy M, Tang S, Zhang Y, Leung DYC. Understanding the variations in degradation pathways and generated by-products of antibiotics in modified TiO 2 and ZnO photodegradation systems: A comprehensive review. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 370:122402. [PMID: 39243651 DOI: 10.1016/j.jenvman.2024.122402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/01/2024] [Revised: 08/05/2024] [Accepted: 08/31/2024] [Indexed: 09/09/2024]
Abstract
This review examines various modification techniques, including metal doping, non-metal doping, multi doping, mixed doping, and the construction of heterojunction photocatalysts, for enhancing the performance of pure TiO2 and ZnO in the photodegradation of antibiotics. The study finds that mixed and multi doping approaches are more effective in improving photodegradation performance compared to single doping. Furthermore, the selection of suitable semiconductors for constructing heterojunction photocatalysts is crucial for achieving an efficient charge carrier separation. The environmental impacts, recent research, and real application of photocatalysis process have been discussed. The review also investigates the impact of operating parameters on the degradation pathways and the generation of by-products for different antibiotics. Additionally, the toxicity of the by-products resulting from the photodegradation of antibiotics using modified ZnO and TiO2 photocatalysts is explored, revealing that these by-products may exhibit higher toxicity than the original antibiotics. Consequently, to enable the widespread implementation of photodegradation systems, researchers should focus on optimizing degradation systems to control the conversion pathways of by-products, developing innovative photoreactors, and evaluating toxicity in real wastewater matrices.
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Affiliation(s)
- Mahmoud Samy
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China; Public Works Engineering Department, Faculty of Engineering, Mansoura University, Mansoura, 35516, Egypt
| | - Shaoru Tang
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Yingguang Zhang
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China
| | - Dennis Y C Leung
- Department of Mechanical Engineering, The University of Hong Kong, Pokfulam Road, Hong Kong, China.
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2
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Singh PP, Pandey G, Murti Y, Gairola J, Mahajan S, Kandhari H, Tivari S, Srivastava V. Light-driven photocatalysis as an effective tool for degradation of antibiotics. RSC Adv 2024; 14:20492-20515. [PMID: 38946773 PMCID: PMC11208907 DOI: 10.1039/d4ra03431g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Accepted: 06/22/2024] [Indexed: 07/02/2024] Open
Abstract
Antibiotic contamination has become a severe issue and a dangerous concern to the environment because of large release of antibiotic effluent into terrestrial and aquatic ecosystems. To try and solve these issues, a plethora of research on antibiotic withdrawal has been carried out. Recently photocatalysis has received tremendous attention due to its ability to remove antibiotics from aqueous solutions in a cost-effective and environmentally friendly manner with few drawbacks compared to traditional photocatalysts. Considerable attention has been focused on developing advanced visible light-driven photocatalysts in order to address these problems. This review provides an overview of recent developments in the field of photocatalytic degradation of antibiotics, including the doping of metals and non-metals into ultraviolet light-driven photocatalysts, the formation of new semiconductor photocatalysts, the advancement of heterojunction photocatalysts, and the building of surface plasmon resonance-enhanced photocatalytic systems.
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Affiliation(s)
- Praveen P Singh
- Department of Chemistry, United College of Engineering & Research Prayagraj U.P.-211010 India
| | - Geetika Pandey
- Department of Physics, Faculty of Science, United University Prayagraj-211012 India
| | - Yogesh Murti
- Institute of Pharmaceutical Research, GLA University Mathura-281406 India
| | - Jagriti Gairola
- School of Pharmacy, Graphic Era Hill University Clement Town Dehradun 248002 Uttarakhand India
- Department of Allied Sciences, Graphic Era (Deemed to be University) Clement Town Dehradun 248002 Uttarakhand India
| | - Shriya Mahajan
- Centre of Research Impact and Outcome, Chitkara University Rajpura-140417 Punjab India
| | - Harsimrat Kandhari
- Chitkara Centre for Research and Development, Chitkara University Himachal Pradesh-174103 India
| | - Shraddha Tivari
- Department of Chemistry, CMP Degree College, University of Allahabad Prayagraj U.P.-211002 India
| | - Vishal Srivastava
- Department of Chemistry, CMP Degree College, University of Allahabad Prayagraj U.P.-211002 India
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John KI, Ho G, Li D. Recent progresses in synthesis and modification of g-C 3N 4 for improving visible-light-driven photocatalytic degradation of antibiotics. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2024; 89:3047-3078. [PMID: 38877630 DOI: 10.2166/wst.2024.166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 05/11/2024] [Indexed: 06/16/2024]
Abstract
Graphitic carbon nitride (g-C3N4) is a widely studied visible-light-active photocatalyst for low cost, non-toxicity, and facile synthesis. Nonetheless, its photocatalytic efficiency is below par, due to fast recombination of charge carriers, low surface area, and insufficient visible light absorption. Thus, the research on the modification of g-C3N4 targeting at enhanced photocatalytic performance has attracted extensive interest. A considerable amount of review articles have been published on the modification of g-C3N4 for applications. However, limited effort has been specially contributed to providing an overview and comparison on available modification strategies for improved photocatalytic activity of g-C3N4-based catalysts in antibiotics removal. There has been no attempt on the comparison of photocatalytic performances in antibiotics removal between modified g-C3N4 and other known catalysts. To address these, our study reviewed strategies that have been reported to modify g-C3N4, including metal/non-metal doping, defect tuning, structural engineering, heterostructure formation, etc. as well as compared their performances for antibiotics removal. The heterostructure formation was the most widely studied and promising route to modify g-C3N4 with superior activity. As compared to other known photocatalysts, the heterojunction g-C3N4 showed competitive performances in degradation of selected antibiotics. Related mechanisms were discussed, and finally, we revealed current challenges in practical application.
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Affiliation(s)
- Kingsley Igenepo John
- College of Science, Technology, Engineering & Mathematics, Murdoch University, Murdoch, WA 6150, Australia
| | - Goen Ho
- College of Science, Technology, Engineering & Mathematics, Murdoch University, Murdoch, WA 6150, Australia
| | - Dan Li
- College of Science, Technology, Engineering & Mathematics, Murdoch University, Murdoch, WA 6150, Australia E-mail:
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Ren X, Wu F, Wu M, Gao H, Wu C, Mu W, Liu S, Que L, Zhang H, Miao M, Chang D, Pan H. Sandwich-type immunosensor based on aminated 3D-rGOF-NH 2 and CMK-3-Fc-MgAl-LDH multilayer nanocomposites for detection of CA125. Bioelectrochemistry 2024; 156:108613. [PMID: 37995504 DOI: 10.1016/j.bioelechem.2023.108613] [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: 06/24/2023] [Revised: 11/15/2023] [Accepted: 11/16/2023] [Indexed: 11/25/2023]
Abstract
Cancer antigen 125 (CA125)1 is the most important biological screening indicator used to monitor epithelial ovarian cancers, and it plays a vital role in distinguishing ovarian cancers from benign diseases. Biosensors show great potential in the analysis and detection of disease markers. In this study, we designed electrochemical sensors based on three-dimensional amino-functionalized reduced graphene oxide (3D-rGOF-NH2),2 MgAl layered double hydroxide nanocomposites containing ordered mesoporous carbon (CMK-3),3 and ferrocene carboxylic acids(Fc-COOH)4for the detection of CA125. 3D-rGOF-NH2 possesses good conductivity, a large surface area, and high porosity, enabling more immobilized nanoparticles to be deposited on its surface with excellent stability. CMK-3@Fc@MgAl-LDH nanocomposite was used as a carrier to enhance the immobilization of antibodies and the loading of Fc, conductors to enhance conductivity, and enhancers to gradually amplify the signal of Fc. The surface morphology, elemental composition, and surface groups of the materials were characterized using scanning electron microscopy (SEM),5 transmission electron microscopy (TEM),6 and X-ray diffraction (XRD)7 techniques. The response signal of the electrochemical sensor was measured by DPV. Under the optimal conditions, the electrochemical sensor obtained a linear detection range of 0.01 U/mL-100 U/mL with a detection limit of 0.00417 U/mL.
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Affiliation(s)
- Xinshui Ren
- Collaborative Research Center, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China; Shanghai University of Medicine and Health Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Fangfang Wu
- Collaborative Research Center, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
| | - Mengdie Wu
- Collaborative Research Center, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China; Shanghai University of Medicine and Health Sciences, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China
| | - Hongmin Gao
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Chunyan Wu
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Wendi Mu
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Simin Liu
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Longbin Que
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Hehua Zhang
- Collaborative Research Center, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
| | - Meng Miao
- Collaborative Research Center, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China
| | - Dong Chang
- Department of Laboratory Medicine, Shanghai Pudong Hospital, Shanghai 201399, China.
| | - Hongzhi Pan
- Collaborative Research Center, Shanghai University of Medicine and Health Sciences, Shanghai 201318, China; The Affiliated Zhoupu Hospital, Shanghai University of Medicine & Health Sciences, Shanghai 201318, China.
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Chen J, Liu F, Abdiryim T, Yin H, Liu X. ZnO-Ti 3C 2T X composites supported on polyacrylic acid/chitosan hydrogels as high-efficiency and recyclable photocatalysts for norfloxacin degradation. Int J Biol Macromol 2024; 258:128912. [PMID: 38141716 DOI: 10.1016/j.ijbiomac.2023.128912] [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: 10/12/2023] [Revised: 12/07/2023] [Accepted: 12/18/2023] [Indexed: 12/25/2023]
Abstract
Photocatalysts immobilized on hydrogels is a win-win mode, which not only improves photocatalysis but also successfully prevents catalyst loss, making it easy to separate and reuse during catalytic process. Here, ZnO-Ti3C2TX photocatalysts are loaded into the chitosan/polyacrylic acid hydrogel networks, realizing the efficiently photocatalytic degradation of norfloxacin. The chitosan-based composite hydrogel features rich functional groups and a dense pore structure, which is beneficial to antibiotic enrichment and photocatalytic degradation. The effects of different catalyst ratios, dosage, initial concentrations and pH on the degradation efficiency are investigated. The norfloxacin degradation rate constant is 0.012 min-1 and its degradation efficiency reaches up to 90 % after 240 min. Importantly, the photocatalytic composite hydrogel still retains 85 % degradation efficiency after 6 cycles. Moreover, e- plays a significant role in the degradation process. This work converts the traditional powder photocatalysts into bulk photocatalysts (photocatalytic hydrogels) to accomplish efficient degradation and rapid recycling for contaminant removal.
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Affiliation(s)
- Jiaying Chen
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, Xinjiang, PR China
| | - Fangfei Liu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, Xinjiang, PR China.
| | - Tursun Abdiryim
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, Xinjiang, PR China
| | - Hongyan Yin
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, Xinjiang, PR China
| | - Xiong Liu
- State Key Laboratory of Chemistry and Utilization of Carbon Based Energy Resources, College of Chemistry, Xinjiang University, Urumqi 830017, Xinjiang, PR China.
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Ashiegbu DC, Potgieter HJ. ZnO-based heterojunction catalysts for the photocatalytic degradation of methyl orange dye. Heliyon 2023; 9:e20674. [PMID: 37829801 PMCID: PMC10565771 DOI: 10.1016/j.heliyon.2023.e20674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 09/26/2023] [Accepted: 10/04/2023] [Indexed: 10/14/2023] Open
Abstract
In this study, a variety of ZnO-based heterojunctions with disparate wt.% doping of WO3 and BiOI have been prepared for the photodestruction of methyl orange (MO) dye in aqueous solution. The composites were analysed by scanning electron microscopy, energy-dispersive X-ray spectroscopy, X-ray diffraction, optical studies, and nitrogen adsorption-desorption isotherms. The SEM images revealed non-uniform surfaces of the ZnO-BiOI based composites while mostly nodular morphology was observed for all three samples of ZnO-WO3. As the WO3 loading increased, more clustering was detected. The analysed samples exhibited characteristic peaks representative of the triclinic phase of WO3 and the hexagonal wurtzite structure of ZnO, while the diffractogram observed from the materials displayed distinct peaks corresponding to the crystalline phases of both BiOI and ZnO in their pure forms. Further evidence of the samples' characteristics includes the presence of distinct crystalline patterns without any impurity peaks, a red shift in the absorption spectra of the heterostructure, the detection of only the reference elements, and mostly Type IV isotherm adsorption. This study identified the ZnO-[10%]BiOI and ZnO-[10%]WO3 heterojunctions as the best performing photocatalysts, as MO was completely destroyed in 120 and 90 min, respectively. Thus, confirming 10% wt. as the optimal doping concentration for the best photo-activity in this study. The impact of varying process parameters demonstrates that at an elevated photocatalyst mass of 40 mg, both heterojunctions effectively degraded MO. The photodegradation efficiency of MO was more pronounced in strong acidic conditions (pH 2) when compared to high alkaline conditions (pH 11) for the ZnO-[10%]BiOI heterostructure. However, a decrease in performance was observed for both strong acidic and high alkaline pH values when the ZnO-[10%]WO3 heterostructure was applied. The kinetic analysis of the photodegradation study reveals that all the photodegradation experiments can be represented by the pseudo-first-order kinetic model. The findings from this investigation propose that the ZnO-[10%]BiOI heterojunction photocatalyst holds significant potential for the effective treatment of dye-contaminated wastewater.
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Affiliation(s)
- Darlington C. Ashiegbu
- School of Chemical and Metallurgical Engineering, University of the Witwatersrand Johannesburg, Private Bag X3 PO Wits 2050, Johannesburg, South Africa
| | - Herman J. Potgieter
- School of Chemical and Metallurgical Engineering, University of the Witwatersrand Johannesburg, Private Bag X3 PO Wits 2050, Johannesburg, South Africa
- Department of Natural Science, Manchester Metropolitan University, Chester Street, M1 5GD, Manchester, UK
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Lei Y, Hou J, Fang C, Tian Y, Naidu R, Zhang J, Zhang X, Zeng Z, Cheng Z, He J, Tian D, Deng S, Shen F. Ultrasound-based advanced oxidation processes for landfill leachate treatment: Energy consumption, influences, mechanisms and perspectives. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 263:115366. [PMID: 37573610 DOI: 10.1016/j.ecoenv.2023.115366] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 07/06/2023] [Accepted: 08/10/2023] [Indexed: 08/15/2023]
Abstract
Advanced oxidation processes (AOPs) based on ultrasound (US) have attracted considerable attention in recent years due to its advantages in the degradation of landfill leachate. The review summarizes the existing treatment methods of leachate from lab-scale, compares their advantages and disadvantages by focusing on the degradation of emerging contaminants (ECs) in the leachate. Then the US-based AOPs are introduced emphatically, including their degradation mechanisms, influencing factors, energy consumption, further optimization methods as well as the possibility of field-scale application are systematically described. Moreover, this review also expounds on the advantages of dual-frequency US (DFUS) technology compared with single-frequency US, and a theoretically feasible DFUS process is proposed to treat ECs in the leachate. Finally, suggestions and prospects for US technologies in treating landfill leachate are put forward to aid future research on landfill leachate treatment. Meaningfully, this manuscript will provide reference values of US-based technologies in landfill leachate treatment for the practical use, facilitating the development of US-based AOPs in landfill leachate management and disposal.
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Affiliation(s)
- Yongjia Lei
- Institute of Ecological and Environmental Sciences, College of Environmental Sciences, Sichuan Agricultural University, Chengdu, Sichuan 611130, China; Global Centre for Environmental Remediation (GCER), University of Newcastle, Callaghan, NSW 2308, Australia; State Key Laboratory of Urban Water Resource and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Jiajie Hou
- Institute of Ecological and Environmental Sciences, College of Environmental Sciences, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Cheng Fang
- Global Centre for Environmental Remediation (GCER), University of Newcastle, Callaghan, NSW 2308, Australia
| | - Yu Tian
- State Key Laboratory of Urban Water Resource and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China
| | - Ravi Naidu
- Global Centre for Environmental Remediation (GCER), University of Newcastle, Callaghan, NSW 2308, Australia
| | - Jun Zhang
- State Key Laboratory of Urban Water Resource and Environment (SKLUWRE), School of Environment, Harbin Institute of Technology, Harbin 150090, China.
| | - Xiaohong Zhang
- Institute of Ecological and Environmental Sciences, College of Environmental Sciences, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Zhenxing Zeng
- Institute of Ecological and Environmental Sciences, College of Environmental Sciences, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Zhang Cheng
- Institute of Ecological and Environmental Sciences, College of Environmental Sciences, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Jinsong He
- Institute of Ecological and Environmental Sciences, College of Environmental Sciences, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Dong Tian
- Institute of Ecological and Environmental Sciences, College of Environmental Sciences, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Shihuai Deng
- Institute of Ecological and Environmental Sciences, College of Environmental Sciences, Sichuan Agricultural University, Chengdu, Sichuan 611130, China
| | - Fei Shen
- Institute of Ecological and Environmental Sciences, College of Environmental Sciences, Sichuan Agricultural University, Chengdu, Sichuan 611130, China.
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