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Zainab R, Hasnain M, Ali F, Abideen Z, Siddiqui ZS, Jamil F, Hussain M, Park YK. Prospects and challenges of nanopesticides in advancing pest management for sustainable agricultural and environmental service. ENVIRONMENTAL RESEARCH 2024; 261:119722. [PMID: 39098710 DOI: 10.1016/j.envres.2024.119722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 07/27/2024] [Accepted: 07/31/2024] [Indexed: 08/06/2024]
Abstract
The expanding global population and the use of conventional agrochemical pesticides have led to the loss of crop yield and food shortages. Excessive pesticide used in agriculture risks life forms by contaminating soil and water resources, necessitating the use of nano agrochemicals. This article focuses on synthesis moiety and use of nanopesticides for enhanced stability, controlled release mechanisms, improved efficacy, and reduced pesticide residue levels. The current literature survey offered regulatory frameworks for commercial deployment of nanopesticides and evaluated societal and environmental impacts. Various physicochemical and biological processes, especially microorganisms and advanced oxidation techniques are important in treating pesticide residues through degradation mechanisms. Agricultural waste could be converted into nanofibers for sustainable composites production, new nanocatalysts, such as N-doped TiO2 and bimetallic nanoparticles for advancing pesticide degradation. Microbial and enzyme methods have been listed as emerging nanobiotechnology tools in achieving a significant reduction of chlorpyrifos and dimethomorph for the management of pesticide residues in agriculture. Moreover, cutting-edge biotechnological alternatives to conventional pesticides are advocated for promoting a transition towards more sustainable pest control methodologies. Application of nanopesticides could be critical in addressing environmental concern due to its increased mobility, prolonged persistence and ecosystem toxicity. Green synthesis of nanopesticides offers solutions to environmental risks associated and using genetic engineering techniques may induce pest and disease resistance for agricultural sustainability. Production of nanopesticides from biological sources is necessary to develop and implement comprehensive strategies to uphold agricultural productivity while safeguarding environmental integrity.
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Affiliation(s)
- Rida Zainab
- Department of Applied Biology, College of Sciences, University of Sharjah, Sharjah, P.O. Box 2727, United Arab Emirates; Department of Biotechnology, Lahore College for Women University, Lahore, Pakistan
| | - Maria Hasnain
- Department of Biotechnology, Lahore College for Women University, Lahore, Pakistan
| | - Faraz Ali
- School of Engineering and Technology, Central Queensland University, Sydney, Australia
| | - Zainul Abideen
- Department of Applied Biology, College of Sciences, University of Sharjah, Sharjah, P.O. Box 2727, United Arab Emirates; Dr. Muhammad Ajmal Khan Institute of Sustainable Halophyte Utilization, University of Karachi, Karachi, 75270, Pakistan.
| | | | - Farrukh Jamil
- Department of Chemical Engineering, COMSATS University Islamabad (CUI), Lahore Campus, Defence Road, Off Raiwind Road, Lahore, Pakistan; Biomass & Bioenergy Research Group, Center for Sustainable Energy and Power Systems Research, Research Institute of Sciences and Engineering, University of Sharjah, 27272, Sharjah, United Arab Emirates
| | - Murid Hussain
- Department of Chemical Engineering, COMSATS University Islamabad (CUI), Lahore Campus, Defence Road, Off Raiwind Road, Lahore, Pakistan
| | - Young-Kwon Park
- School of Environmental Engineering, University of Seoul, Seoul, 02504, Republic of Korea.
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Cheng K, Heng S, Tieng S, David F, Dine S, Haddad O, Colbeau-Justin C, Traore M, Kanaev A. Mixed Metal Oxide W-TiO 2 Nanopowder for Environmental Process: Synergy of Adsorption and Photocatalysis. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:765. [PMID: 38727359 PMCID: PMC11085299 DOI: 10.3390/nano14090765] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 04/22/2024] [Accepted: 04/24/2024] [Indexed: 05/12/2024]
Abstract
A mixed metal oxide W-TiO2 nanopowder photocatalyst was prepared by using the sol-gel method with a broad range of elemental compositions x = CW/(CW + CTi), including TiO2 and WO3. The material was structurally characterized and evaluated in adsorption and photocatalytic processes by testing its removal capacity of a representative pollutant methylene blue (MB) in aqueous solutions and under UV-A and sunlight illuminations. The nanopowders appeared to be more effective adsorbents than pure TiO2 and WO3 materials, showing a maximum at 15 mol% W, which was set as the tungsten solubility limit in anatase titania. At the same time, the photocatalytic decomposition of MB peaked at 2 mol% W. The examination of different compositions showed that the most effective MB removal took place at 15 mol% W, which was attributed to the combined action of adsorption and heterogeneous photocatalysis. Moreover, MB decomposition under sunlight was stronger than under UV-A, suggesting photocatalyst activation by visible light. The pollutant removal efficiency of the material with 15 mol% W was enhanced by a factor of ~10 compared to pure TiO2 at the beginning of the process, which shows its high potential for use in depollution processes in emergency cases of a great pollutant leak. As a result, a Wx=0.15-TiO2 catalyst could be of high interest for wastewater purification in industrial plants.
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Affiliation(s)
- Khley Cheng
- Department of Chemistry, Royal University of Phnom Penh, Russian Blvd., Phnom Penh 120407, Cambodia; (K.C.); (S.H.); (S.T.); (F.D.)
| | - Socheata Heng
- Department of Chemistry, Royal University of Phnom Penh, Russian Blvd., Phnom Penh 120407, Cambodia; (K.C.); (S.H.); (S.T.); (F.D.)
| | - Siteng Tieng
- Department of Chemistry, Royal University of Phnom Penh, Russian Blvd., Phnom Penh 120407, Cambodia; (K.C.); (S.H.); (S.T.); (F.D.)
| | - Ford David
- Department of Chemistry, Royal University of Phnom Penh, Russian Blvd., Phnom Penh 120407, Cambodia; (K.C.); (S.H.); (S.T.); (F.D.)
| | - Sarah Dine
- Laboratoire des Sciences des Procédés et des Matériaux, CNRS, Université Sorbonne Paris Nord, 93430 Villetaneuse, France; (S.D.); (O.H.); (M.T.)
| | - Oriana Haddad
- Laboratoire des Sciences des Procédés et des Matériaux, CNRS, Université Sorbonne Paris Nord, 93430 Villetaneuse, France; (S.D.); (O.H.); (M.T.)
| | | | - Mamadou Traore
- Laboratoire des Sciences des Procédés et des Matériaux, CNRS, Université Sorbonne Paris Nord, 93430 Villetaneuse, France; (S.D.); (O.H.); (M.T.)
| | - Andrei Kanaev
- Laboratoire des Sciences des Procédés et des Matériaux, CNRS, Université Sorbonne Paris Nord, 93430 Villetaneuse, France; (S.D.); (O.H.); (M.T.)
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Chaúque BJM, Jank L, Benetti AD, Rott MB. Preliminary insights on the development of a continuous-flow solar system for the photocatalytic degradation of contaminants of emerging concern in water. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:26984-26996. [PMID: 38499929 DOI: 10.1007/s11356-024-32879-w] [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: 11/17/2023] [Accepted: 03/09/2024] [Indexed: 03/20/2024]
Abstract
The ubiquity and impact of pharmaceuticals and pesticides, as well as their residues in environmental compartments, particularly in water, have raised human and environmental health concerns. This emphasizes the need of developing sustainable methods for their removal. Solar-driven photocatalytic degradation has emerged as a promising approach for the chemical decontamination of water, sparking intensive scientific research in this field. Advancements in photocatalytic materials have driven the need for solar reactors that efficiently integrate photocatalysts for real-world water treatment. This study reports preliminary results from the development and evaluation of a solar system for TiO2-based photocatalytic degradation of intermittently flowing water contaminated with doxycycline (DXC), sulfamethoxazole (SMX), dexamethasone (DXM), and carbendazim (CBZ). The system consisted of a Fresnel-type UV solar concentrator that focused on the opening and focal point of a parabolic trough concentrator, within which tubular quartz glass reactors were fixed. Concentric springs coated with TiO2, arranged one inside the other, were fixed inside the quartz reactors. The reactors are connected to a raw water tank at the inlet and a check valve at the outlet. Rotating wheels at the collector base enable solar tracking in two axes. The substances (SMX, DXC, and CBZ) were dissolved in dechlorinated tap water at a concentration of 1.0 mg/L, except DXM (0.8 mg/L). The water underwent sequential batch (~ 3 L each, without recirculation) processing with retention times of 15, 30, 60, 90, and 120 min. After 15 min, the degradation rates were as follows: DXC 87%, SMX 35.5%, DXM 32%, and CBZ 31.8%. The system processed 101 L of water daily, simultaneously removing 870, 355, 256, and 318 µg/L of DXC, SMX, DXM, and CBZ, respectively, showcasing its potential for real-world chemical water decontamination application. Further enhancements that enable continuous-flow operation and integrate highly effective adsorbents and photocatalytic materials can significantly enhance system performance.
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Affiliation(s)
- Beni Jequicene Mussengue Chaúque
- Laboratory of Protozoology, Department of Microbiology, Immunology, and Parasitology, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul, Sarmento Leite Street, N 500, Porto Alegre, Rio Grande do Sul, 90050-170, Brazil
- Postgraduate Program in Biological Sciences: Pharmacology and Therapeutics, UFRGS, Rio Grande do Sul, Brazil
- Center of Studies in Science and Technology (NECET), Biology Course, Universidade Rovuma, Niassa Branch, Lichinga, Mozambique
| | - Louise Jank
- Ministério da Agricultura, Pecuária e Abastecimento (MAPA), Porto Alegre, Rio Grande do Sul, Brazil
| | | | - Marilise Brittes Rott
- Laboratory of Protozoology, Department of Microbiology, Immunology, and Parasitology, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul, Sarmento Leite Street, N 500, Porto Alegre, Rio Grande do Sul, 90050-170, Brazil.
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Yousefi M, Akbari H, Adibzadeh A, Mohammadi AA, Baziar M, Abbasi Farajzadeh M, Akbari H. Adsorption of diazinon from aqueous solution using metal organic framework and functionalized graphene: Comparison of BBD, ANN models. CHEMOSPHERE 2024; 351:141222. [PMID: 38224747 DOI: 10.1016/j.chemosphere.2024.141222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Revised: 12/28/2023] [Accepted: 01/12/2024] [Indexed: 01/17/2024]
Abstract
In the present study, metal organic frameworks (MOFs) and aminated graphitic carbonaceous structure (ACS-RGO) through chemical synthesis prepared by a simple precipitation method and used for diazinon removal. Several techniques such as XRD , FESEM and FTIR were applied for identification of MOF-5 and ACS-RGO. Also, response surface methodology (RSM) was employed in this work to look at the effectiveness of diazinon adsorption. To forecast pesticide removal, we applied artificial neural network (ANN) and Box-Behnken Design (BBD) models. For the ANN model, a sensitivity analysis was also performed. The effect of independent variables like solution pH, various concentrations of diazinon, MOFs and ACS-RGO adsorbent dose and contact time were assessed to find out the optimum conditions. Based on the model prediction, the optimal condition for adsorption ACS-RGO and MOF-5 were determined to be pH 6.6 and 6.6, adsorbent dose of 0.59 and 0.906 g/L, and mixing time of 52.15 and 36.96 min respectively. These conditions resulted in 96.69% and 80.62% diazinon removal using ACS-RGO and MOF-5, respectively. Isotherm studies proved the adsorption of ACS-RGO and MOF-5 following the Langmuir isotherm model for diazinon removal. Diazinon removal followed by the pseudo-second and Pseudo-first order kinetics model provides a better fit for analyzing the kinetic data associated with pesticide adsorption for ACS-RGO and MOF-5, respectively. Based on the obtained results, the predicted values for the efficiency of diazinon removal with the ANN and BBD were similar (R2=0.98). Therefore, two models were able to predict diazinon removal by ACS-RGO and MOF-5.
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Affiliation(s)
- Mahmood Yousefi
- Health Research Center, Lifestyle Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hesam Akbari
- Health Research Center, Lifestyle Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Amir Adibzadeh
- Health Research Center, Lifestyle Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran; Department of Environmental Health Engineering, Faculty of Health, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Ali Akbar Mohammadi
- Department of Environmental Health Engineering, Neyshabur University of Medical Sciences, Neyshabur, Iran
| | - Mansour Baziar
- Department of Environmental Health Engineering, Ferdows Faculty of Medical Sciences, Birjand University of Medical Sciences, Birjand, Iran
| | - Mohsen Abbasi Farajzadeh
- Health Management Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran; Student Research Committee, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Hamed Akbari
- Health Research Center, Lifestyle Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran.
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Rashid R, Shafiq I, Gilani MRHS, Maaz M, Akhter P, Hussain M, Jeong KE, Kwon EE, Bae S, Park YK. Advancements in TiO 2-based photocatalysis for environmental remediation: Strategies for enhancing visible-light-driven activity. CHEMOSPHERE 2024; 349:140703. [PMID: 37992908 DOI: 10.1016/j.chemosphere.2023.140703] [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: 07/28/2023] [Revised: 10/21/2023] [Accepted: 11/11/2023] [Indexed: 11/24/2023]
Abstract
Researchers have focused on efficient techniques for degrading hazardous organic pollutants due to their negative impacts on ecological systems, necessitating immediate remediation. Specifically, TiO2-based photocatalysts, a wide-bandgap semiconductor material, have been extensively studied for their application in environmental remediation. However, the extensive band gap energy and speedy reattachment of electron (e-) and hole (h+) pairs in bare TiO2 are considered major disadvantages for photocatalysis. This review extensively focuses on the combination of semiconducting photocatalysts for commercial outcomes to develop efficient heterojunctions with high photocatalytic activity by minimizing the e-/h+ recombination rate. The improved activity of these heterojunctions is due to their greater surface area, rich active sites, narrow band gap, and high light-harvesting tendency. In this context, strategies for increasing visible light activity, including doping with metals and non-metals, surface modifications, morphology control, composite formation, heterojunction formation, bandgap engineering, surface plasmon resonance, and optimizing reaction conditions are discussed. Furthermore, this review critically assesses the latest developments in TiO2 photocatalysts for the efficient decomposition of various organic contaminants from wastewater, such as pharmaceutical waste, dyes, pesticides, aromatic hydrocarbons, and halo compounds. This review implies that doping is an effective, economical, and simple process for TiO2 nanostructures and that a heterogeneous photocatalytic mechanism is an eco-friendly substitute for the removal of various pollutants. This review provides valuable insights for researchers involved in the development of efficient photocatalysts for environmental remediation.
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Affiliation(s)
- Ruhma Rashid
- Institute of Chemical Science, Bahauddin Zakariya University, Multan, Punjab, Pakistan
| | - Iqrash Shafiq
- Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, Lahore, Pakistan
| | | | - Muhammad Maaz
- Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, Lahore, Pakistan
| | - Parveen Akhter
- Department of Chemistry, The University of Lahore, 1-km Defence Road, Off Raiwind Road, Lahore, Pakistan
| | - Murid Hussain
- Department of Chemical Engineering, COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, Lahore, Pakistan.
| | - Kwang-Eun Jeong
- Chemical & Process Technology Division, Korea Research Institute of Chemical Technology (KRICT), P.O. Box 107, 141 Gajeong-ro, Yuseong, Daejeon, 34114, Republic of Korea
| | - Eilhann E Kwon
- Department of Earth Resources & Environmental Engineering, Hanyang University, Seoul, 04763, Republic of Korea
| | - Sungjun Bae
- Department of Civil & Environmental Engineering, Konkuk University, Seoul, 05029, Republic of Korea
| | - Young-Kwon Park
- School of Environmental Engineering, University of Seoul, 02504, Republic of Korea.
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Gao X, Jian S, Wang W, Li B, Huang J, Lei Y, Wang D. Study on Photochemical Properties of a Sr-SnS 2/CaIn 2S 4 Heterostructure to Improve Cr(VI) Removal. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:10542-10552. [PMID: 37463864 DOI: 10.1021/acs.langmuir.3c01071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Compound semiconductor photocatalysis technology is considered to be a promising treatment for solving water problems efficiently. The point of designing high-efficiency catalysts is to optimize the band gap structure and facilitate the separation of charge carriers by establishing new electron migration pathways. Recently, 3D porous CaIn2S4 was found to have good photocatalytic ability. However, the quick recombination and agglomeration of carriers still limit its application. Herein, we prepared a heterostructure by introducing 2D Sr-doped SnS2 to 3D CaIn2S4 by a hydrothermal synthesis method. The optimal dosage of Sr-SnS2 is 3%, and the photocatalytic Cr(VI) removal efficiency of 3% Sr-SnS2/CaIn2S4 (SSCS-3) is 5.82 and 10.83 times those of pure CaIn2S4 and SnS2, respectively. According to the results of characterization tests and calculation verification, we inferred that the enhanced photocatalytic removal of Cr(VI) is due to the introduction of Sr-SnS2 that can promote the rapid transfer of photogenerated electrons to the surface of CaIn2S4, and the heterostructure formed between 2D Sr-SnS2 and 3D CaIn2S4 can also provide abundant reaction sites. The promotion of carrier separation is mainly due to the formation of a built-in electric field of the Sr-SnS2/CaIn2S4 heterostructure. This work provides new ideas and technologies for the treatment of Cr(VI) in wastewater.
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Affiliation(s)
- Xin Gao
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070,China
| | - Shouwei Jian
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070,China
- State Key Laboratory of Silicate Building Materials, Wuhan University of Technology, Wuhan430070,China
| | - Weizhen Wang
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070,China
| | - Baodong Li
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070,China
| | - Jianxiang Huang
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070,China
| | - Yuting Lei
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070,China
| | - Danfeng Wang
- School of Materials Science and Engineering, Wuhan University of Technology, Wuhan 430070,China
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Patra R, Dash P, Panda PK, Yang PC. A Breakthrough in Photocatalytic Wastewater Treatment: The Incredible Potential of g-C 3N 4/Titanate Perovskite-Based Nanocomposites. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2173. [PMID: 37570490 PMCID: PMC10421126 DOI: 10.3390/nano13152173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 07/14/2023] [Accepted: 07/15/2023] [Indexed: 08/13/2023]
Abstract
Water pollution has emerged as a major global environmental crisis due to the massive contamination of water resources by the textile dyeing industry, organic waste, and agricultural residue. Since water is fundamental to life, this grave disregard puts lives at risk, making the protection of water resources a serious issue today. Recent research has shown great interest in improving the photocatalytic performance of graphitic carbon nitride (g-C3N4) for wastewater treatment. However, the photocatalytic removal activity of pure g-C3N4 is poor, owing to its minimal surface area, fast recombination of photo-generated electron-hole pairs, and poor light absorption. Recently, titanate perovskites (TNPs) have attracted significant attention in both environmental remediation and energy conversion due to their exceptional structural, optical, physiochemical, electrical, and thermal properties. Accordingly, TNPs can initiate a variety of surface catalytic reactions and are regarded as an emerging category of photocatalysts for sustainability and energy-related industries when exposed to illumination. Therefore, in this review article, we critically discuss the recent developments of extensively developed g-C3N4/TNPs that demonstrate photocatalytic applications for wastewater treatment. The different synthetic approaches and the chemical composition of g-C3N4/TNP composites are presented. Additionally, this review highlights the global research trends related to these materials. Furthermore, this review provides insight into the various photocatalytic mechanisms, including their potential impact and significance. Also, the challenges faced by such materials and their future scope are discussed.
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Affiliation(s)
- Rashmiranjan Patra
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 32003, Taiwan;
| | - Pranjyan Dash
- Department of Chemical Engineering and Biotechnology, National Taipei University of Technology (Taipei Tech), Taipei 10608, Taiwan;
| | - Pradeep Kumar Panda
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 32003, Taiwan;
| | - Po-Chih Yang
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Taoyuan 32003, Taiwan;
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Kaur A, Mehta VS, Kaur G, Sud D. Biopolymer templated strategized greener protocols for fabrication of ZnO nanostructures and their application in photocatalytic technology for phasing out priority pollutants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:25663-25681. [PMID: 36645594 DOI: 10.1007/s11356-023-25234-y] [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: 10/31/2022] [Accepted: 01/06/2023] [Indexed: 06/17/2023]
Abstract
Zinc oxide (ZnO) nanostructures have been successfully synthesized via template-assisted and template-free route using three different synthetic methods, i.e., sonochemical, mechanochemical, and hydrothermal. Biopolymer xanthan gum (XG) served as sacrificial template for ZnO synthesis as provided the surface for the growth of nanostructures in a controlled manner. The employment of multifarious synthetic techniques resulted in fabrication of ZnO nanoparticles with diverse morphologies such as needle shaped, hexagonal, and spherical particles. Further, the template-assisted protocols generated thermally stable highly crystalline nanostructures along with high surface area, larger pore size, and low band gap energies in contrast to template-free protocol. The structural and other physicochemical studies were manifested by XRD, N2 adsorption desorption, FESEM, TGA, and UV-Vis spectral analysis. The template-assisted ZnO nanostructures were explored as a potential photocatalyst for the catalytic degradation of emerging pollutants, i.e., triclosan (TCS) and imidacloprid (IMD) under the exposure of UV light. The products formed during the photocatalytic reaction were monitored by UV-Vis spectroscopy and HPLC. The results obtained revealed the high catalytic efficiency of ZnO synthesized via template-assisted sonochemical method for TCS (99.60%) and IMD (96.09%) which is attributed to the high surface area and lower band gap energy of the catalyst. The high catalytic potential of the sonochemically synthesized ZnO also substantiated from the kinetic data as high-rate constant was obtained. Thus, the template-assisted protocols developed led to preparation of nanostructures having tailored properties for efficient photocatalysis and can rapidly degrade selected emerging contaminants such as personal care products and organophosphate pesticides. Hence, environment-friendly synthesized photocatalyst can be appropriately employed to wastewater treatment contaminated with emerging pollutants.
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Affiliation(s)
- Arshpreet Kaur
- Department of Chemistry, Sant Longowal Institute of Engineering and Technology, Deemed to Be University, Longowal, 148106, Sangrur, India
| | - Vidhi Suresh Mehta
- Department of Chemistry, Sant Longowal Institute of Engineering and Technology, Deemed to Be University, Longowal, 148106, Sangrur, India
| | - Gagandeep Kaur
- Department of Chemistry, Sant Longowal Institute of Engineering and Technology, Deemed to Be University, Longowal, 148106, Sangrur, India
| | - Dhiraj Sud
- Department of Chemistry, Sant Longowal Institute of Engineering and Technology, Deemed to Be University, Longowal, 148106, Sangrur, India.
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Core-shell Bi-containing spheres and TiO2 nanoparticles co-loaded on kaolinite as an efficient photocatalyst for methyl orange degradation. CATAL COMMUN 2023. [DOI: 10.1016/j.catcom.2023.106609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
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10
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Hazaraimi MH, Goh PS, Lau WJ, Ismail AF, Wu Z, Subramaniam MN, Lim JW, Kanakaraju D. The state-of-the-art development of photocatalysts for the degradation of persistent herbicides in wastewater. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 843:156975. [PMID: 35764157 DOI: 10.1016/j.scitotenv.2022.156975] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/15/2022] [Accepted: 06/21/2022] [Indexed: 06/15/2023]
Abstract
Herbicides are one of the most recurring pollutants in the aquatic system due to their widespread usage in the agriculture sector for weed control. Semiconductor-based photocatalysts have gained recognition due to their ability to degrade and mineralize pollutants into harmless by-products completely. Lately, many studies have been done to design photocatalysts with efficient separation of photogenerated charge carriers and enhanced light absorption. Photocatalyst engineering through doping with metal and non-metal elements and the formation of heterojunction are proven effective for minimizing the recombination of electron-hole pairs and enlarging the absorption in the visible light region. This review focuses on discussing and evaluating the recent progress in the types of photocatalysts and their performance in the remediation of herbicides in wastewater. The development of innovative hybrid technologies is also highlighted. The limitations and challenges of photocatalysis technology in the present literature have been identified, and future studies are recommended.
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Affiliation(s)
- M H Hazaraimi
- Advanced Membrane Technology Research Center, School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - P S Goh
- Advanced Membrane Technology Research Center, School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia.
| | - W J Lau
- Advanced Membrane Technology Research Center, School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - A F Ismail
- Advanced Membrane Technology Research Center, School of Chemical and Energy Engineering, Faculty of Engineering, Universiti Teknologi Malaysia, 81310 Skudai, Johor, Malaysia
| | - Z Wu
- Aston Institute of Materials Research, School of Engineering and Applied Science, Aston University, Birmingham B4 7ET, UK
| | - M N Subramaniam
- Aston Institute of Materials Research, School of Engineering and Applied Science, Aston University, Birmingham B4 7ET, UK
| | - J W Lim
- HICoE-Centre for Biofuel and Biochemical Research, Institute of Self-Sustainable Building, Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS, Seri Iskandar, Perak Darul Ridzuan 32610, Malaysia
| | - D Kanakaraju
- Faculty of Resource and Science Technology, Universiti Malaysia, Sarawak, 94300 Kota Samarahan, Sarawak, Malaysia
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Kajitvichyanukul P, Nguyen VH, Boonupara T, Phan Thi LA, Watcharenwong A, Sumitsawan S, Udomkun P. Challenges and effectiveness of nanotechnology-based photocatalysis for pesticides-contaminated water: A review. ENVIRONMENTAL RESEARCH 2022; 212:113336. [PMID: 35580668 DOI: 10.1016/j.envres.2022.113336] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 03/30/2022] [Accepted: 04/15/2022] [Indexed: 06/15/2023]
Abstract
Pesticides have been frequently used in agricultural fields. Due to the expeditious utilization of pesticides, their excessive usage has negative impacts on the natural environment and human health. This review discusses the successful implications of nanotechnology-based photocatalysis for the removal of environmental pesticide contaminants. Notably, various nanomaterials, including TiO2, ZnO, Fe2O3, nanoscale zero-valent iron, nanocomposite-based materials, have been proposed and have played a progressively essential role in wastewater treatment. In addition, a detailed review of the crucial reaction condition factors, including water matrix, pH, light source, temperature, flow rate (retention time), initial concentration of pesticides, a dosage of photocatalyst, and radical scavengers, is also highlighted. Additionally, the degradation pathway of pesticide mineralization is also elucidated. Finally, the challenges of technologies and the future of nanotechnology-based photocatalysis toward the photo-degradation of pesticides are thoroughly discussed. It is expected that those innovative extraordinary photocatalysts will significantly enhance the performance of pesticides degradation in the coming years.
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Affiliation(s)
- Puangrat Kajitvichyanukul
- Sustainable Engineering Research Center for Pollution and Environmental Management, Faculty of Engineering, Chiang Mai University, Chiang Mai, Thailand; Department of Environmental Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai, Thailand.
| | - Van-Huy Nguyen
- Faculty of Allied Health Sciences, Chettinad Academy of Research and Education (CARE), Kelambakkam, Chennai, Tamilnadu, India
| | - Thirasant Boonupara
- Sustainable Engineering Research Center for Pollution and Environmental Management, Faculty of Engineering, Chiang Mai University, Chiang Mai, Thailand; Department of Environmental Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai, Thailand
| | - Lan-Anh Phan Thi
- VNU Key Laboratory of Analytical Technology for Environmental Quality and Food Safety Control (KLATEFOS), VNU University of Science, Vietnam National University, Hanoi, Viet Nam; Center for Environmental Technology and Sustainable Development (CETASD), VNU University of Science, Vietnam National University, Hanoi, Viet Nam
| | - Apichon Watcharenwong
- School of Environmental Engineering, Institute of Engineering, Suranaree University of Technology, Nakhon Ratchasima, Thailand; Center of Excellence in Advanced Functional Materials, Suranaree University of Technology, Nakhon Ratchasima, Thailand
| | - Sulak Sumitsawan
- Sustainable Engineering Research Center for Pollution and Environmental Management, Faculty of Engineering, Chiang Mai University, Chiang Mai, Thailand; Department of Environmental Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai, Thailand
| | - Patchimaporn Udomkun
- Sustainable Engineering Research Center for Pollution and Environmental Management, Faculty of Engineering, Chiang Mai University, Chiang Mai, Thailand; Department of Environmental Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai, Thailand
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12
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Boulkhessaim S, Gacem A, Khan SH, Amari A, Yadav VK, Harharah HN, Elkhaleefa AM, Yadav KK, Rather SU, Ahn HJ, Jeon BH. Emerging Trends in the Remediation of Persistent Organic Pollutants Using Nanomaterials and Related Processes: A Review. NANOMATERIALS 2022; 12:nano12132148. [PMID: 35807983 PMCID: PMC9268313 DOI: 10.3390/nano12132148] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/18/2022] [Revised: 06/17/2022] [Accepted: 06/20/2022] [Indexed: 02/06/2023]
Abstract
Persistent organic pollutants (POPs) have become a major global concern due to their large amount of utilization every year and their calcitrant nature. Due to their continuous utilization and calcitrant nature, it has led to several environmental hazards. The conventional approaches are expensive, less efficient, laborious, time-consuming, and expensive. Therefore, here in this review the authors suggest the shortcomings of conventional techniques by using nanoparticles and nanotechnology. Nanotechnology has shown immense potential for the remediation of such POPs within a short period of time with high efficiency. The present review highlights the use of nanoremediation technologies for the removal of POPs with a special focus on nanocatalysis, nanofiltration, and nanoadsorption processes. Nanoparticles such as clays, zinc oxide, iron oxide, aluminum oxide, and their composites have been used widely for the efficient remediation of POPs. Moreover, filtrations such as nanofiltration and ultrafiltration have also shown interest in the remediation of POPs from wastewater. From several pieces of literature, it has been found that nano-based techniques have shown complete removal of POPs from wastewater in comparison to conventional methods, but the cost is one of the major issues when it comes to nano- and ultrafiltration. Future research in nano-based techniques for POP remediation will solve the cost issue and will make it one of the most widely accepted and available techniques. Nano-based processes provide a sustainable solution to the problem of POPs.
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Affiliation(s)
- Salim Boulkhessaim
- Department of Physics, Faculty of Sciences, University 20 Août 1955, 26 El Hadaiek, Skikda 21000, Algeria; (S.B.); (A.G.)
| | - Amel Gacem
- Department of Physics, Faculty of Sciences, University 20 Août 1955, 26 El Hadaiek, Skikda 21000, Algeria; (S.B.); (A.G.)
| | - Samreen Heena Khan
- Research & Development Centre, YNC Envis Pvt Ltd., New Delhi 110001, India
- Correspondence: (S.H.K.); (B.-H.J.)
| | - Abdelfattah Amari
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia; (A.A.); (H.N.H.); (A.M.E.)
- Department of Chemical Engineering and Processes, Research Laboratory of Processes, Energetics, Environment and Electrical Systems, National School of Engineers, Gabes University, Gabes 6072, Tunisia
| | - Virendra Kumar Yadav
- Department of Biosciences, School of Liberal Arts & Sciences, Mody University of Science and Technology, Lakshmangarh 332311, India;
| | - Hamed N. Harharah
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia; (A.A.); (H.N.H.); (A.M.E.)
| | - Abubakr M. Elkhaleefa
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha 61421, Saudi Arabia; (A.A.); (H.N.H.); (A.M.E.)
| | - Krishna Kumar Yadav
- Faculty of Science and Technology, Madhyanchal Professional University, Ratibad, Bhopal 462044, India;
| | - Sami-ullah Rather
- Department of Chemical and Materials Engineering, King Abdulaziz University, P.O. Box 80204, Jeddah 21589, Saudi Arabia;
| | - Hyun-Jo Ahn
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Korea;
| | - Byong-Hun Jeon
- Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, Korea;
- Correspondence: (S.H.K.); (B.-H.J.)
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13
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Barjasteh-Askari F, Nasseri S, Nabizadeh R, Najafpoor A, Davoudi M, Mahvi AH. Photocatalytic removal of diazinon from aqueous solutions: a quantitative systematic review. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:26113-26130. [PMID: 35079967 DOI: 10.1007/s11356-022-18743-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Accepted: 01/14/2022] [Indexed: 02/04/2023]
Abstract
Diazinon is a widely used pesticide that can be effectively degraded in aqueous solutions via photocatalytic oxidation. This quantitative systematic review was conducted to shed light on the various aspects of photocatalytic diazinon removal based on evidence. A systematic search was performed in Scopus, PubMed, Web of Science, Embase, and Ovid databases with keywords including diazinon, photocatalysis, and their equivalents. The search was limited to original articles in English published between January 1, 2010, and March 25, 2021. The results were expressed by descriptive statistics including mean, SD, median, and percentiles, among others. The initial electronic and manual search retrieved 777 articles, among which 41 studies comprising 49 trials were qualified for data synthesis. The reported diazinon degradation rate ranged from 2 to 100%, with a mean ± SD of 59.17 ± 28.03%. Besides, ZnO/UV, WO3/UV, TiO2/UV, and TiO2/Vis, in sequence, were the most widely used processes with the highest efficacies. Solution pH in the range of 5-8, catalyst dose below 600 mg/L, diazinon initial concentration below 40 mg/L, and contact time of 20-140 min could be the optimum conditions. Diazinon degradation obeyed the first-order kinetic model with kobs between 0.0042 and 1.86 min-1 and consumed energy of 38.93-350.36 kWh/m3. Diazoxon and IMP were the most detected by-products of diazinon degradation although bioassay data were scarce. Based on the results, photocatalytic processes are very efficient in removing diazinon from aqueous solutions although more elaborate studies are needed to assess the mineralization rate and effluent toxicity.
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Affiliation(s)
- Fateme Barjasteh-Askari
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Department of Environmental Health Engineering, School of Health, Torbat Heydariyeh University of Medical Sciences, Torbat Heydariyeh, Iran
| | - Simin Nasseri
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Center for Water Quality Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramin Nabizadeh
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Center for Air Pollution Research (CAPR), Institute for Environmental Research (IER), Tehran University of Medical Sciences, Tehran, Iran
| | - Aliasghar Najafpoor
- Social Determinants of Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Environmental Health Engineering, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mojtaba Davoudi
- Social Determinants of Health Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Environmental Health Engineering, School of Health, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Amir-Hossein Mahvi
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran.
- Center for Solid Waste Research, Institute for Environmental Research, Tehran University of Medical Sciences, Tehran, Iran.
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First modification strategy: Ester is better than acid to improve the activity of photocatalyst nano-TiO2. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2021.128144] [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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15
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Barnes PW, Robson TM, Neale PJ, Williamson CE, Zepp RG, Madronich S, Wilson SR, Andrady AL, Heikkilä AM, Bernhard GH, Bais AF, Neale RE, Bornman JF, Jansen MAK, Klekociuk AR, Martinez-Abaigar J, Robinson SA, Wang QW, Banaszak AT, Häder DP, Hylander S, Rose KC, Wängberg SÅ, Foereid B, Hou WC, Ossola R, Paul ND, Ukpebor JE, Andersen MPS, Longstreth J, Schikowski T, Solomon KR, Sulzberger B, Bruckman LS, Pandey KK, White CC, Zhu L, Zhu M, Aucamp PJ, Liley JB, McKenzie RL, Berwick M, Byrne SN, Hollestein LM, Lucas RM, Olsen CM, Rhodes LE, Yazar S, Young AR. Environmental effects of stratospheric ozone depletion, UV radiation, and interactions with climate change: UNEP Environmental Effects Assessment Panel, Update 2021. Photochem Photobiol Sci 2022; 21:275-301. [PMID: 35191005 PMCID: PMC8860140 DOI: 10.1007/s43630-022-00176-5] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 01/14/2022] [Indexed: 12/07/2022]
Abstract
The Environmental Effects Assessment Panel of the Montreal Protocol under the United Nations Environment Programme evaluates effects on the environment and human health that arise from changes in the stratospheric ozone layer and concomitant variations in ultraviolet (UV) radiation at the Earth’s surface. The current update is based on scientific advances that have accumulated since our last assessment (Photochem and Photobiol Sci 20(1):1–67, 2021). We also discuss how climate change affects stratospheric ozone depletion and ultraviolet radiation, and how stratospheric ozone depletion affects climate change. The resulting interlinking effects of stratospheric ozone depletion, UV radiation, and climate change are assessed in terms of air quality, carbon sinks, ecosystems, human health, and natural and synthetic materials. We further highlight potential impacts on the biosphere from extreme climate events that are occurring with increasing frequency as a consequence of climate change. These and other interactive effects are examined with respect to the benefits that the Montreal Protocol and its Amendments are providing to life on Earth by controlling the production of various substances that contribute to both stratospheric ozone depletion and climate change.
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Affiliation(s)
- P W Barnes
- Biological Sciences and Environment Program, Loyola University New Orleans, New Orleans, USA
| | - T M Robson
- Organismal and Evolutionary Biology (OEB), Viikki Plant Science Centre (ViPS), University of Helsinki, Helsinki, Finland
| | - P J Neale
- Smithsonian Environmental Research Center, Edgewater, USA
| | | | - R G Zepp
- ORD/CEMM, US Environmental Protection Agency, Athens, GA, USA
| | - S Madronich
- Atmospheric Chemistry Observations and Modeling Laboratory, National Center for Atmospheric Research, Boulder, USA
| | - S R Wilson
- School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, Australia
| | - A L Andrady
- Chemical and Biomolecular Engineering, North Carolina State University, Apex, USA
| | - A M Heikkilä
- Finnish Meteorological Institute, Helsinki, Finland
| | | | - A F Bais
- Laboratory of Atmospheric Physics, Department of Physics, Aristotle University, Thessaloniki, Greece
| | - R E Neale
- Population Health Department, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - J F Bornman
- Food Futures Institute, Murdoch University, Perth, Australia.
| | | | - A R Klekociuk
- Antarctic Climate Program, Australian Antarctic Division, Kingston, Australia
| | - J Martinez-Abaigar
- Faculty of Science and Technology, University of La Rioja, La Rioja, Logroño, Spain
| | - S A Robinson
- Securing Antarctica's Environmental Future, Global Challenges Program and School of Earth, Atmospheric and Life Sciences, University of Wollongong, Wollongong, Australia
| | - Q-W Wang
- Institute of Applied Ecology, Chinese Academy of Sciences (CAS), Shenyang, China
| | - A T Banaszak
- Unidad Académica De Sistemas Arrecifales, Universidad Nacional Autónoma De México, Puerto Morelos, Mexico
| | - D-P Häder
- Department of Biology, Friedrich-Alexander University, Möhrendorf, Germany
| | - S Hylander
- Centre for Ecology and Evolution in Microbial Model Systems-EEMiS, Linnaeus University, Kalmar, Sweden.
| | - K C Rose
- Biological Sciences, Rensselaer Polytechnic Institute, Troy, USA
| | - S-Å Wängberg
- Marine Sciences, University of Gothenburg, Gothenburg, Sweden
| | - B Foereid
- Environment and Natural Resources, Norwegian Institute of Bioeconomy Research, Ås, Norway
| | - W-C Hou
- Environmental Engineering, National Cheng Kung University, Tainan, Taiwan
| | - R Ossola
- Environmental System Science (D-USYS), ETH Zürich, Zürich, Switzerland
| | - N D Paul
- Lancaster Environment Centre, Lancaster University, Lancaster, UK
| | - J E Ukpebor
- Chemistry Department, Faculty of Physical Sciences, University of Benin, Benin City, Nigeria
| | - M P S Andersen
- Department of Chemistry and Biochemistry, California State University, Northridge, USA
- Department of Chemistry, University of Copenhagen, Copenhagen, Denmark
| | - J Longstreth
- The Institute for Global Risk Research, LLC, Bethesda, USA
| | - T Schikowski
- Research Group of Environmental Epidemiology, Leibniz Institute of Environmental Medicine, Düsseldorf, Germany
| | - K R Solomon
- Centre for Toxicology, School of Environmental Sciences, University of Guelph, Guelph, Canada
| | - B Sulzberger
- Academic Guest, Swiss Federal Institute of Aquatic Science and Technology, 8600, Dübendorf, Switzerland
| | - L S Bruckman
- Materials Science and Engineering, Case Western Reserve University, Cleveland, USA
| | - K K Pandey
- Wood Processing Division, Institute of Wood Science and Technology, Bangalore, India
| | - C C White
- Polymer Science and Materials Chemistry (PSMC), Exponent, Bethesda, USA
| | - L Zhu
- College of Materials Science and Engineering, Donghua University, Shanghai, China
| | - M Zhu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, Donghua University, Shanghai, China
| | - P J Aucamp
- Ptersa Environmental Consultants, Pretoria, South Africa
| | - J B Liley
- National Institute of Water and Atmospheric Research, Alexandra, New Zealand
| | - R L McKenzie
- National Institute of Water and Atmospheric Research, Alexandra, New Zealand
| | - M Berwick
- Internal Medicine, University of New Mexico, Albuquerque, USA
| | - S N Byrne
- Applied Medical Science, University of Sydney, Sydney, Australia
| | - L M Hollestein
- Department of Dermatology, Erasmus MC Cancer Institute, Rotterdam, The Netherlands
| | - R M Lucas
- National Centre for Epidemiology and Population Health, Australian National University, Canberra, Australia
| | - C M Olsen
- Population Health Department, QIMR Berghofer Medical Research Institute, Brisbane, Australia
| | - L E Rhodes
- Photobiology Unit, Dermatology Research Centre, School of Biological Sciences, Faculty of Biology Medicine and Health, University of Manchester, Manchester, UK
| | - S Yazar
- Garvan Institute of Medical Research, Sydney, Australia
| | - A R Young
- St John's Institute of Dermatology, King's College London (KCL), London, UK
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Lan J, Wang Y, Huang B, Xiao Z, Wu P. Application of polyoxometalates in photocatalytic degradation of organic pollutants. NANOSCALE ADVANCES 2021; 3:4646-4658. [PMID: 36134316 PMCID: PMC9417141 DOI: 10.1039/d1na00408e] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2021] [Accepted: 06/24/2021] [Indexed: 05/30/2023]
Abstract
Organic pollutants are highly toxic, accumulative, and difficult to degrade or eliminate. As a low-cost, high-efficiency and energy-saving environmental purification technology, photocatalytic technology has shown great advantages in solving increasingly serious environmental pollution problems. The development of efficient and durable photocatalysts for the degradation of organic pollutants is the key to the extensive application of photocatalysis technology. Polyoxometalates (POMs) are a kind of discrete metal-oxide clusters with unique photo/electric properties which have shown promising applications in photocatalytic degradation. This review summarizes the recent advances in the design and synthesis of POM-based photocatalysts, as well as their application in the degradation of organic dyes, pesticides and other pollutants. In-depth perspective views are also proposed in this review.
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Affiliation(s)
- Jin Lan
- Institute of POM-based Materials, Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology Wuhan 430068 China
| | - Yu Wang
- Institute of POM-based Materials, Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology Wuhan 430068 China
| | - Bo Huang
- Institute of POM-based Materials, Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology Wuhan 430068 China
| | - Zicheng Xiao
- Institute of POM-based Materials, Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology Wuhan 430068 China
| | - Pingfan Wu
- Institute of POM-based Materials, Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology Wuhan 430068 China
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