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Wu Z, Liu J, Shi J, Deng H. Bi 2Fe 4O 9/rGO nanocomposite with visible light photocatalytic performance for tetracycline degradation. ENVIRONMENTAL RESEARCH 2024; 249:118361. [PMID: 38325776 DOI: 10.1016/j.envres.2024.118361] [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: 10/11/2023] [Revised: 11/20/2023] [Accepted: 12/11/2023] [Indexed: 02/09/2024]
Abstract
Bismuth-iron semiconductor materials have been widely studied in the photocatalytic field due to their excellent light responsiveness. Among them, the potential and mechanism regarding photocatalytic degradation of organic pollutants by Bi2Fe4O9 are seriously ignored. In this research, Bi2Fe4O9/reduced graphene oxide (BFO/rGO) was successfully synthesized for tetracycline (TC) removal. Under visible light irradiation, the TC degradation efficiency reached 83.73% within 60 min, which was much higher than that of pure BFO or rGO. The impacts of crucial factors (TC initial concentration, humic acid concentration, pH value and inorganic anions) were systematically analyzed. The photoelectric performance experiments indicated that the addition of rGO decreased the electron-hole pair recombination efficiency and improved the charge transfer efficiency, thus significantly enhancing the photocatalytic performance. According to quenching experiments and EPR (Electron Paramagnetic Resonance) analysis, superoxide radical (•O2-) and hole (h+) were determined as the main active species during degradation reactions. Eventually, the possible degradation routes of TC were presented by identifying intermediates.
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Affiliation(s)
- Zizhen Wu
- Shanghai Institute of Pollution Control and Ecological Security, Key Laboratory of Yangtze River Water Environment Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Jiawei Liu
- Shanghai Institute of Pollution Control and Ecological Security, Key Laboratory of Yangtze River Water Environment Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China
| | - Jun Shi
- Shanghai Institute of Pollution Control and Ecological Security, Key Laboratory of Yangtze River Water Environment Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China.
| | - Huiping Deng
- Shanghai Institute of Pollution Control and Ecological Security, Key Laboratory of Yangtze River Water Environment Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai, 200092, China.
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2
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Moslehi MH, Zadeh MS, Nateq K, Shahamat YD, Khan NA, Nasseh N. Statistical computational optimization approach for photocatalytic-ozonation decontamination of metronidazole in aqueous media using CuFe 2O 4/SiO 2/ZnO nanocomposite. ENVIRONMENTAL RESEARCH 2024; 242:117747. [PMID: 38016498 DOI: 10.1016/j.envres.2023.117747] [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: 07/08/2023] [Revised: 11/13/2023] [Accepted: 11/19/2023] [Indexed: 11/30/2023]
Abstract
The increasing use of pharmaceuticals and the ongoing release of drug residues into the environment have resulted in significant threats to environmental sustainability and water safety. In this sense, developing a robust and easy-recovered magnetic nanocomposite with eminent photocatalytic activity is very imperative for detoxifying pharmaceutical compounds. Herein, a systematic study was conducted to investigate the photocatalytic ozonation for eliminating metronidazole (MET) from aqueous media utilizing the CuFe2O4/SiO2/ZnO heterojunction under simulated sunlight irradiation. The composite material was fabricated by a facile hydrothermal method and diagnosed by multiple advanced analytical techniques. Modelling and optimization of MET decontamination by adopting the central composite design (CCD) revealed that 90 % of MET decontamination can be achieved within 120 min of operating time at the optimized circumstance (photocatalyst dose: 1.17 g/L, MET dose: 33.20 mg/L, ozone concentration: 3.99 mg/min and pH: 8.99). In an attempt to scrutinize the practical application of the CuFe2O4/SiO2/ZnO/xenon/O3 system, roughly 56.18% TOC and 73% COD were removed under the optimized operational circumstances during 120 min of degradation time. According to the radical quenching experiments, hydroxyl radicals (HO•) were the major oxidative species responsible for the elimination of MET. The MET degradation rate maintained at 83% after seven consecutive runs, manifesting the efficiency of CuFe2O4/SiO2/ZnO material in the MET removal. Ultimately, the photocatalytic ozonation mechanism over the CuFe2O4/SiO2/ZnO heterojunction of the fabricated nanocomposites was rationally proposed for MET elimination. In extension, the results drawn in this work indicate that integrating photocatalyst and ozonation processes by the CuFe2O4/SiO2/ZnO material can be applied as an efficient and promising method to eliminate tenacious and non-biodegradable contaminants from aqueous environments.
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Affiliation(s)
| | - Mohammad Shohani Zadeh
- Department of Safety, Health and Environmental Engineering, Abadan Faculty of Petroleum Engineering, Petroleum University of Technology, Abadan, Iran.
| | - Kasra Nateq
- Department of Inspection Engineering, Abadan Faculty of Petroleum Engineering, Petroleum University of Technology, Abadan, Iran.
| | - Yousef Dadban Shahamat
- Environmental Health Research Center, Department of Associate Professor, Faculty of Public Health, Golestan University of Medical Sciences, Gorgan, Iran.
| | - Nadeem Ahmad Khan
- Interdisciplinary Research Center for Membranes and Water Security, King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia.
| | - Negin Nasseh
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran; Department of Health Promotion and Education, School of Health, Birjand University of Medical Sciences, Birjand, Iran.
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Samadi MT, Rezaie A, Ebrahimi AA, Hossein Panahi A, Kargarian K, Abdipour H. The utility of ultraviolet beam in advanced oxidation-reduction processes: a review on the mechanism of processes and possible production free radicals. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:6628-6648. [PMID: 38153574 DOI: 10.1007/s11356-023-31572-8] [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: 10/03/2023] [Accepted: 12/11/2023] [Indexed: 12/29/2023]
Abstract
Advanced oxidation processes (AOPs) and advanced reduction processes (ARPs) are a set of chemical treatment procedures designed to eliminate organic (sometimes inorganic) contamination in water and wastewater by producing free reactive radicals (FRR). UV irradiation is one of the factors that are effectively used in oxidation-reduction processes. Not only does the UV beam cause the photolysis of contamination, but it also leads to the product of FRR by affecting oxidants-reductant, and the pollutant decomposition occurs by FRR. UV rays produce active radical species indirectly in an advanced redox process by affecting an oxidant (O3, H2O2), persulfate (PS), or reducer (dithionite, sulfite, sulfide, iodide, ferrous). Produced FRR with high redox potential (including oxidized or reduced radicals) causes detoxification and degradation of target contaminants by attacking them. In this review, it was found that ultraviolet radiation is one of the important and practical parameters in redox processes, which can be used to control a wide range of impurities.
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Affiliation(s)
- Mohammad Taghi Samadi
- Research Center for Health Sciences, Department of Environmental Health Engineering, School of Public Health, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Arezo Rezaie
- Student Research Committee, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Ali Asghar Ebrahimi
- Environmental Science and Technology Research Center, Department of Environmental Health, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Ayat Hossein Panahi
- Student Research Committee, Department of Environmental Health Engineering, Hamadan University of Medical Sciences, Hamadan, Iran.
| | - Kiana Kargarian
- Student Research Committee, Department of Environmental Health Engineering, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Hossein Abdipour
- Student Research Committee, Department of Environmental Health Engineering, Hamadan University of Medical Sciences, Hamadan, Iran
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Derakhshani E, Naghizadeh A, Arab-Zozani M, Farkhondeh T. A systematic review of photocatalytic degradation of humic acid in aqueous solution using nanoparticles. REVIEWS ON ENVIRONMENTAL HEALTH 2023; 38:577-587. [PMID: 35735094 DOI: 10.1515/reveh-2022-0046] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 05/31/2022] [Indexed: 06/15/2023]
Abstract
OBJECTIVES Humic acid (HA) compounds in the disinfection processes of drinking water and wastewater are considered as precursors of highly toxic, carcinogenic and mutagenic disinfectant by-products. The aim of this study was to systematically review all research studies on the photocatalytic degradation of humic acid and to evaluate the laboratory conditions and results of these studies. CONTENT The present systematic review was performed by searching the Scopus, PubMed, and web of science databases until December 2021. The parameters of type of catalyst, catalyst size, optimum pH, optimum initial concentration of humic Acid, optimum catalyst concentration, optimum time, light used and removal efficiency were investigated. SUMMARY 395 studies were screened and using the inclusion and exclusion criteria, in total, 20 studies met our inclusion criteria and provided the information necessary to Photocatalytic degradation of humic acid by nanoparticles. In the investigated studies, the percentage of photocatalytic degradation of humic acid by nanoparticles was reported to be above 70%, and in some studies, the removal efficiency had reached 100%. OUTLOOK From the results of this systematic review, it was concluded that the photocatalytic process using nanoparticles has a high effect on the degradation of humic acid.
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Affiliation(s)
- Elham Derakhshani
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences (BUMS), Birjand, Iran
| | - Ali Naghizadeh
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences (BUMS), Birjand, Iran
| | - Morteza Arab-Zozani
- Social Determinants of Health Research Center, Birjand University of Medical Sciences (BUMS), Birjand, Iran
| | - Tahereh Farkhondeh
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences (BUMS), Birjand, Iran
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Morovati R, Rajabi S, Ghaneian MT, Dehghani M. Efficiency of Ag 3PO 4/TiO 2 as a heterogeneous catalyst under solar and visible light for humic acid removal from aqueous solution. Heliyon 2023; 9:e15678. [PMID: 37305470 PMCID: PMC10256826 DOI: 10.1016/j.heliyon.2023.e15678] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 04/17/2023] [Accepted: 04/18/2023] [Indexed: 06/13/2023] Open
Abstract
Nowadays, the presence of humic acid (HA) in water sources is highly regarded due to the production of extremely harmful byproducts such as trihalomethanes. In this study, the effectiveness of an Ag3PO4/TiO2 catalyst produced by in situ precipitation as a heterogeneous catalyst for the degradation of humic acid in the existence of visible and solar light was evaluated. The Ag3PO4/TiO2 catalyst's structure was characterized using X-ray powder diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive spectroscopy (EDS), after which the catalyst dosage, HA concentration, and pH parameters were adjusted. After a 20-min reaction, the highest HA degradation of 88.2% and 85.9% in presence of solar light and visible light were attained at the ideal operating conditions of 0.2 g/L catalyst, 5 mg/L HA, and pH 3, respectively. It was discovered that, based on kinetic models, the degradation of HA matched both Langmuir-Hinshelwood and pseudo-first-order kinetics at concentrations of 5 to 30 mg/L (R2 > 0.8). The Langmuir-Hinshelwood model had surface reaction rate constants (Kc) of 0.729 mg/L.min and adsorption equilibrium constants (KL-H) of 0.036 L/mg. Eventually, a real-water investigation into the process' effectiveness revealed that, under ideal circumstances, the catalyst had a reasonable HA removal efficiency of 56%.
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Affiliation(s)
- Roya Morovati
- Department of Environmental Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
- Student Research Committee, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Saeed Rajabi
- Department of Environmental Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
- Student Research Committee, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Taghi Ghaneian
- Environmental Science and Technology Research Center, Department of Environmental Health Engineering, School of Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Mansooreh Dehghani
- Department of Environmental Health Engineering, School of Health, Shiraz University of Medical Sciences, Shiraz, Iran
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Sinha R, Ghosal PS. A comprehensive appraisal on status and management of remediation of DBPs by TiO 2 based-photocatalysts: Insights of technology, performance and energy efficiency. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 328:117011. [PMID: 36525732 DOI: 10.1016/j.jenvman.2022.117011] [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: 10/18/2022] [Revised: 12/08/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
Disinfection has been acknowledged as an inevitable technique in water treatment. However, an inadvertent consequence of generation of carcinogenic and mutagenic disinfection byproducts (DBPs) is associated with the reaction of disinfectants and natural organic matter (NOM) present in water. More than 700 DBPs have been identified in drinking water. The conventional processes carried out in WTPs do not optimally ensure NOM elimination, which evokes the need for the incorporation of other processes. In this context, several physicochemical and advanced oxidation processes (AOP), such as adsorption, membrane techniques, photocatalysis, etc., have been studied for the removal of NOM from water. Photocatalysis using semiconductors has been one of the most proficient technologies, which utilizes light energy for the degradation of recalcitrant organics. The present study aims to provide a comprehensive appraisal on the performance of titanium dioxide (TiO2) based photocatalysts in the remediation of DBPs concerning the efficacy and energy requirements of the system. Furthermore, the effect of process parameters, such as pH, catalyst dose, light intensity, etc. on the efficacy of the process was also studied. It was observed that conventional P25-TiO2 powders were efficient in the degradation of dissolved organic carbon (DOC) (up to 90%). However, low photocatalytic activity under visible light activation is one of its significant downsides. Several modifications on the catalyst surface in many studies exhibited advantages, such as high humic acid (HA) degradation under visible light. Furthermore, doped TiO2 catalysts have shown high total organic carbon (TOC) degradation. The photocatalytic systems have achieved a better decrease in trihalomethane formation potential (THMFP) when compared to haloacetic acid formation potential (HAAFP). The energy requirements of the photocatalytic systems are determined by electrical energy per order (EE/O), which has been observed to be lesser for doped TiO2 and engineered TiO2 catalysts when compared with P25-TiO2 powders. Carbon, iron, silver, etc., based catalysts can be a promising alternative to TiO2-based photocatalysts for the degradation of NOM, although further research is required in this direction. The present review provides critical highlights on the uses, opportunities, and challenges of TiO2-based photocatalytic techniques for the management of DBPs and their precursors pertaining to an emerging area of water treatment.
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Affiliation(s)
- Rupal Sinha
- School of Water Resources, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
| | - Partha Sarathi Ghosal
- School of Water Resources, Indian Institute of Technology Kharagpur, Kharagpur, 721302, India.
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Derakhshani E, Naghizadeh A, Mortazavi-Derazkola S. Biosynthesis of MnFe 2O 4@TiO 2 magnetic nanocomposite using oleaster tree bark for efficient photocatalytic degradation of humic acid in aqueous solutions. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:3862-3871. [PMID: 35960468 DOI: 10.1007/s11356-022-22518-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Accepted: 08/09/2022] [Indexed: 06/15/2023]
Abstract
The presence of humic acid compounds in water resources, as one of the precursors of Trihalomethanes and Holoacetic acids, causes health problems for many communities. The aim of this research study was to investigate the photocatalytic degradation efficiency of humic acid using MnFe2O4@TiO2 nanoparticles which produced by green synthesis method. The synthesis of metal nanoparticles using plant extracts and the study of their catalytic performance is a relatively new topic. Many chemical techniques have been proposed for the synthesis of MnFe2O4@TiO2 nanoparticles, but green synthesis has received much attention due to its availability, simplicity, and non-toxicity. The properties of synthesized nanoparticles were determined by SEM, FT-IR, XRD, EDS, and DLS analysis. The results of the study showed that under optimal experimental conditions (pH = 3, nanocomposite dose = 0.03 g/L, humic acid initial concentration = 2 mg/L, and contact time = 20 min), it is possible to achieve maximum degradation of humic acid. Therefore; MnFe2O4@TiO2 nanoparticles have high efficiency for removing of humic acid from aqueous solutions under UV light.
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Affiliation(s)
- Elham Derakhshani
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences (BUMS), Birjand, Iran
| | - Ali Naghizadeh
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences (BUMS), Birjand, Iran.
| | - Sobhan Mortazavi-Derazkola
- Medical Toxicology and Drug Abuse Research Center (MTDRC), Birjand University of Medical Sciences (BUMS), Birjand, Iran
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8
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Qiao P, Zhang A, Sun R, Wang W. Simple Quaternary Templating Systems for Direct Synthesis of Unique SBA-15 Mesopore Frameworks Embedded with High-Content TiO 2 Nanoparticles as High-Performance Photocatalysts. Inorg Chem 2022; 61:13968-13980. [PMID: 35998630 DOI: 10.1021/acs.inorgchem.2c01957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
This work presents a simple P123-based quaternary templating system using titanyl sulfate (TS) as the TiO2 precursor and self-contained sulfuric acid as the catalyst (TS/TEOS/P123/H2O). A unique structural configuration of SBA-15-type mesopore frameworks embedded with high-content TiO2 nanoparticles can be directly obtained. Even with a high TiO2 content (29.1 wt %), well-defined mesostructures free of pore blocking can be secured. A new structural formation mechanism is unveiled: a self-assembly process between inorganic species and P123 micelles yields ordered mesostructures catalyzed by self-contained TS in the low-temperature step, while sol-gel reaction and crystallization of TS coincide with processes of mesostructural re-organization and partial evacuation of P123 from mesopores. The incorporation of high-content TiO2 nanoparticles into mesopore frameworks mainly happens during the hydrothermal treatment step. Not surprisingly, thanks to well-defined mesostructures containing high-content accessible TiO2 nanoparticles, such TiO2/SBA-15 composites show high activity and good reusability in photodegrading Rhodamine B and humic acids and photoreducing highly toxic Cr6+ in water under UV irradiation.
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Affiliation(s)
- Pengchao Qiao
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, Liaoning, China
| | - Ao Zhang
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, Liaoning, China
| | - Rui Sun
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, Liaoning, China
| | - Wei Wang
- Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang 110819, Liaoning, China
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9
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Aguiar LG, Siqueira AF. Modeling of Catalyst Deactivation in Humic Acid Degradation. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c00837] [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]
Affiliation(s)
- Leandro G. Aguiar
- Department of Chemical Engineering, Engineering School of Lorena, University of São Paulo, 12602-810 Lorena-SP, Brazil
| | - Adriano F. Siqueira
- Department of Chemical Engineering, Engineering School of Lorena, University of São Paulo, 12602-810 Lorena-SP, Brazil
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Mousavi SE, Younesi H, Bahramifar N, Tamunaidu P, Karimi-Maleh H. A novel route to the synthesis of α-Fe2O3@C@SiO2/TiO2 nanocomposite from the metal-organic framework as a photocatalyst for water treatment. CHEMOSPHERE 2022; 297:133992. [PMID: 35247450 DOI: 10.1016/j.chemosphere.2022.133992] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 02/03/2022] [Accepted: 02/11/2022] [Indexed: 06/14/2023]
Abstract
In this study, an attempt was made to synthesize metal-organic frameworks (MOFs) based magnetic iron particles as photocatalysts for textile dye wastewater. Improvement strategy was a novel two-step dry method without using conventional methods to eliminate the consumption of chemical reagents. First, the heterogeneous photocatalyst of Fe-MOFs derived magnetic carbon nanocomposite with carboxylic acid surface functional groups (Fe@C-COOH) was achieved. Next, the α-Fe2O3@C@SiO2/TiO2 was successfully synthesized followed by a sol-gel method to coat the SiO2 shell and a solvothermal method to coat the surface of the intermediate TiO2 particles. The as-synthesized nanocomposite materials were characterized and physicochemical analytical equipment. Further, the investigation on magnetic photocatalytic nanocomposite α-Fe2O3@C@SiO2/TiO2 performance of dye degradation and photocatalytic activity on Reactive yellow 145 (RY145), using as an indicator was conducted. The as-synthesized nanocomposite particles were characterized using X-ray powder diffraction (XRD), thermogravimetric analysis (TGA), Fourier-transform infrared spectroscopy (FT-IR), vibrating sample magnetometer (VSM), X-ray energy dispersive spectroscopy (EDX), and scanning electron microscopy (SEM) techniques. The structural characterization of the as-synthesized materials proved that these methods generate oxygen-containing functional groups, such as, -OH, -CO, and -COOH, which increases the polarity and hydrophilicity of the photocatalyst. The photocatalytic oxidation of RY145 dye under UVc light was discussed by the apparent first-order reaction rate and the kinetic model of the Langmuir-Hinshelwood followed a better fitting. The optimal performance of the composite is at pH = 2, 15 mg/100 mL of photocatalyst dose, 150 mg/L concentration of the dye RY145 at 25 °C temperature under UVc lamp irradiation for 90 min, and with the apparent reaction rate constant was 0.0165 min-1. The thermodynamic analysis of activation parameters computed by the Eyring model and based on transition state theory (TST), an endothermic reaction with a positive value for Δ‡Ho (50.16 kJ mol-1) and a negative value for Δ‡So (-153 J/mol K) both contribute toward achieving positive values for Δ‡Go and a nonspontaneous process. The proposed α-Fe2O3@C@SiO2/TiO2 demonstrated a high capability of photocatalytic degradation up to 97% after five successive cycles at the optimal condition compared to that of Fe3O4@C (18.74%) and Fe@C-COOH (77.9%) without reusability.
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Affiliation(s)
- Seyedeh Elaheh Mousavi
- Department of Environmental Science, Faculty of Natural Resources, Tarbiat Modares University, B.O. Box 46414-356, Tehran, Iran
| | - Habibollah Younesi
- Department of Environmental Science, Faculty of Natural Resources, Tarbiat Modares University, B.O. Box 46414-356, Tehran, Iran.
| | - Nader Bahramifar
- Department of Environmental Science, Faculty of Natural Resources, Tarbiat Modares University, B.O. Box 46414-356, Tehran, Iran
| | - Pramila Tamunaidu
- Malaysia-Japan Advanced Research Centre, Malaysia Japan International Institute of Technology, Universiti Teknologi Malaysia, 84600, Pagoh, Johor, Malaysia
| | - Hassan Karimi-Maleh
- School of Resources and Environment, University of Electronics Science and Technology of China (UESTC), 611731, China; Department of Chemical Engineering and Energy, Quchan University of Technology, Quchan, Iran; Department of Chemical Sciences, University of Johannesburg, Doornfontein Campus, 2028 Johannesburg, P.O. Box 17011, South Africa.
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11
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Kamalvandi P, Akhlaghian F. Copper cable doped with tin oxide and its application to photodegrade natural organic matters. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2022; 20:555-563. [PMID: 35669817 PMCID: PMC9163279 DOI: 10.1007/s40201-022-00802-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/27/2022] [Accepted: 05/02/2022] [Indexed: 05/25/2023]
Abstract
Natural organic matters are of particular importance in drinking water treatment due to their reaction with chlorine, and formation of disinfection byproducts that cause cancer in humans. Photocatalysis can remove natural organic matters from water but usually powdery photocatalysts are used which should be separated from water by filtration due to their toxic effects. In this work, a piece of copper cable used in electric industries was doped with tin oxide and applied as a photocatalyst to remove natural organic matters, humic acid and humate liquid fertilizer, from water. Tin (II) chloride was used as precursor, and deposited on the copper cable by dip coating method. Then the coated cable was calcinated at 300 °C. The prepared SnO2/CuO/Cu photocatalyst was characterized by ICP, SEM, DRS, XRD, and ASAP techniques. The results of XRD confirmed the existence of copper oxide, and tin oxides. DRS showed that doping with tin oxide caused the photocatalytic property to improve, and the catalyst was active under irradiation of UV-Vis light. Effects of humic acid concentration, photocatalyst length, and time were studied. The kinetic of humic acid photodegradation by the SnO2/CuO/Cu photocatalyst was investigated, which obeyed the first order model. The photocatalyst regeneration and reuse were investigated in five cycles, and the results indicated that photocatalytic activity was remained nearly constant. The cable form SnO2/CuO/Cu photocatalyst with the main advantage of easy separation from water without the need to filtration, has excellent photocatalytic activity.
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Affiliation(s)
- Pouria Kamalvandi
- Department of Chemical Engineering, Faculty of Engineering, University of Kurdistan, Sanandaj, Iran
| | - Faranak Akhlaghian
- Department of Chemical Engineering, Faculty of Engineering, University of Kurdistan, Sanandaj, Iran
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12
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He M, Liang Q, Tang L, Liu Z, Shao B, He Q, Wu T, Luo S, Pan Y, Zhao C, Niu C, Hu Y. Advances of covalent organic frameworks based on magnetism: Classification, synthesis, properties, applications. Coord Chem Rev 2021. [DOI: 10.1016/j.ccr.2021.214219] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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13
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Das S, Chowdhury A. Recent advancements of g-C 3N 4-based magnetic photocatalysts towards the degradation of organic pollutants: a review. NANOTECHNOLOGY 2021; 33:072004. [PMID: 34731840 DOI: 10.1088/1361-6528/ac3614] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 11/02/2021] [Indexed: 06/13/2023]
Abstract
Heterogeneous photocatalysis premised on advanced oxidation processes has witnessed a broad application perspective, including water purification and environmental remediation. In particular, the graphitic carbon nitride (g-C3N4), an earth-abundant metal-free conjugated polymer, has acquired extensive application scope and interdisciplinary consideration owing to its outstanding structural and physicochemical properties. However, several issues such as the high recombination rate of the photo-generated electron-hole pairs, smaller specific surface area, and lower electrical conductivity curtail the catalytic efficacy of bulk g-C3N4. Another challenging task is separating the catalyst from the reaction medium, limiting their reusability and practical applications. Therefore, several methodologies are adopted strategically to tackle these issues. Attention is being paid, especially to the magnetic nanocomposites (NCs) based catalysts to enhance efficiency and proficient reusability property. This review summarizes the latest progress related to the design and development of magnetic g-C3N4-based NCs and their utilization in photocatalytic systems. The usefulness of the semiconductor heterojunctions on the catalytic activity, working mechanism, and degradation of pollutants are discussed in detail. The major challenges and prospects of using magnetic g-C3N4-based NCs for photocatalytic applications are highlighted in this report.
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Affiliation(s)
- Suma Das
- Organic Electronics & Sensor Laboratory, Department of Physics, National Institute of Technology Silchar, Assam 788010, India
| | - Avijit Chowdhury
- Organic Electronics & Sensor Laboratory, Department of Physics, National Institute of Technology Silchar, Assam 788010, India
- Department of Condensed Matter Physics and Material Sciences, S. N. Bose National Centre for Basic Sciences, Block JD, Sector III, Salt Lake, Kolkata 700106, India
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14
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Tang L, Xiao J, Mao Q, Zhang Z, Yao Z, Zhu X, Zhong Q. One-step direct synthesis of nano bismuth vanadate from bismuth oxide and sodium metavanadate via liquid phase ball-milling method: A novel and environmentally friendly process. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.05.052] [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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Zhang Q, Yu L, Yang B, Xu C, Zhang W, Xu Q, Diao G. Magnetic Fe3O4@Ru-doped TiO2 nanocomposite as a recyclable photocatalyst for advanced photodegradation of methylene blue in simulated sunlight. Chem Phys Lett 2021. [DOI: 10.1016/j.cplett.2021.138609] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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16
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Arghavan FS, Hossein Panahi A, Nasseh N, Ghadirian M. Adsorption-photocatalytic processes for removal of pentachlorophenol contaminant using FeNi 3/SiO 2/ZnO magnetic nanocomposite under simulated solar light irradiation. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:7462-7475. [PMID: 33033929 DOI: 10.1007/s11356-020-10927-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 09/17/2020] [Indexed: 06/11/2023]
Abstract
The adsorption followed by photocatalytic degradation process was examined for the pentachlorophenol (PCP) removal from aqueous solution. These processes were accomplished by using FeNi3/SiO2/ZnO magnetic nanocomposite as an adsorbent-photocatalytic agent and under the irradiation of solar light. The magnetic nanocomposite used was first synthesized and then was characterized using transmission electron microscopy (TEM), field emission scanning electron microscopy (FE-SEM), energy-dispersive X-ray spectroscopy (EDX), vibrating-sample magnetometer (VSM), and X-ray diffraction (XRD) spectroscopy. The PCP removal efficiency was tested for various factors, including pH, PCP concentration, and nanocomposite dose at different contact times. The characterization results of TEM, FE-SEM, and VSM analysis showed that the synthesized nanoparticles are amorphous and tend to agglomerate due to their high super-paramagnetic property. In addition, the EDX technique showed that the Zn and O elements had the highest weight percent in the synthesized nanocomposite, respectively. On the other hand, XRD analysis revealed that the crystalline size of the nanoparticles was about 42 nm. The kinetic of PCP degradation followed the pseudo-first-order model with R2 = 0.978. According to the results of the isotherm study, the adsorption of PCP onto the nanoparticles followed the Freundlich model. The results of adsorption-photocatalytic degradation experiments showed that 100% removal of PCP was obtained at optimum conditions of pH = 3, nanocomposite dose = 0.5 g/L, contact time = 180 min, and initial PCP concentration of 10 mg/L. Through the results obtained from this study, the adsorption process followed by solar light photocatalytic degradation process using FeNi3/SiO2/ZnO magnetic nanocomposite is found to be an efficacious treatment method for the removal of PCP contaminant from water and wastewater.
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Affiliation(s)
- Fatemeh Sadat Arghavan
- Student Research Committee, Department of Environmental Health Engineering, Faculty of Health, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ayat Hossein Panahi
- Social Determinants of Health Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Negin Nasseh
- Social Determinants of Health Research Center, Faculty of Health, Environmental Health Engineering Department, Birjand University of Medical Sciences, Birjand, Iran.
| | - Morteza Ghadirian
- Research assistant at university of Alberta, Edmonton, Alberta, Canada
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17
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Berkani M, Kadmi Y, Bouchareb MK, Bouhelassa M, Bouzaza A. Combinatıon of a Box-Behnken design technique with response surface methodology for optimization of the photocatalytic mineralization of C.I. Basic Red 46 dye from aqueous solution. ARAB J CHEM 2020. [DOI: 10.1016/j.arabjc.2020.05.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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18
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Recent Advances in Magnetic Nanoparticles and Nanocomposites for the Remediation of Water Resources. MAGNETOCHEMISTRY 2020. [DOI: 10.3390/magnetochemistry6040049] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Water resources are of extreme importance for both human society and the environment. However, human activity has increasingly resulted in the contamination of these resources with a wide range of materials that can prevent their use. Nanomaterials provide a possible means to reduce this contamination, but their removal from water after use may be difficult. The addition of a magnetic character to nanomaterials makes their retrieval after use much easier. The following review comprises a short survey of the most recent reports in this field. It comprises five sections, an introduction into the theme, reports on single magnetic nanoparticles, magnetic nanocomposites containing two of more nanomaterials, magnetic nanocomposites containing material of a biologic origin and finally, observations about the reported research with a view to future developments. This review should provide a snapshot of developments in what is a vibrant and fast-moving area of research.
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19
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Terra JCS, Desgranges A, Monnereau C, Sanchez EH, De Toro JA, Amara Z, Moores A. Photocatalysis Meets Magnetism: Designing Magnetically Recoverable Supports for Visible-Light Photocatalysis. ACS APPLIED MATERIALS & INTERFACES 2020; 12:24895-24904. [PMID: 32336084 DOI: 10.1021/acsami.0c06126] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
While magnetic supports have been widely used to immobilize homogeneous catalysts in organic chemistry, this strategy has so far found very little application in photocatalysis. Indeed, magnetic supports are dark colored, and thus compete for photon absorption with photocatalysts themselves. We have developed a series of core-shell Fe(0)-silica nanoparticles as supports for immobilizing the photosensitizer Ru(bpy)32+, featuring various silica shell thicknesses-16-34 nm SiO2-on 9 nm Fe cores. The supports and the resulting photocatalytic systems were studied for their magnetic, optical, and catalytic properties in the context of the photooxidation of citronellol, and we found that thicker silica shells lead to higher catalytic activity. We correlated this effect as well as Ru(bpy)32+ fluorescence and singlet oxygen generation to the absorption properties of the supports. We were able to reuse our optimal system three times with minimal loss of activity and achieved turnover numbers largely surpassing the performance of homogeneous Ru(bpy)32+. This work highlights the role of material design in the conception of new supports for applications in heterogeneous photocatalysis.
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Affiliation(s)
- Julio C S Terra
- Centre for Green Chemistry and Catalysis, Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
| | - Ariane Desgranges
- Centre for Green Chemistry and Catalysis, Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
- Ecole Polytechnique, Route de Saclay, 91128 Palaiseau Cedex, France
| | - Cyrille Monnereau
- Laboratoire de Chimie, ENS de Lyon, CNRS UMR 5182, Université Claude Bernard Lyon 1, F-69342 Lyon, France
| | - Elena H Sanchez
- Instituto Regional de Investigación Científica Aplicada (IRICA) and Departamento de Física Aplicada, Universidad de Castilla-La Mancha, 13071 Ciudad Real, Spain
| | - Jose A De Toro
- Instituto Regional de Investigación Científica Aplicada (IRICA) and Departamento de Física Aplicada, Universidad de Castilla-La Mancha, 13071 Ciudad Real, Spain
| | - Zacharias Amara
- Equipe Chimie Moléculaire, Laboratoire de Génomique, Bioinformatique et Chimie Moléculaire, (GBCM), EA 7528, Conservatoire national des arts et métiers, HESAM Université, 2 rue Conté, 75003 Paris Cedex 03, France
| | - Audrey Moores
- Centre for Green Chemistry and Catalysis, Department of Chemistry, McGill University, 801 Sherbrooke Street West, Montreal, Quebec H3A 0B8, Canada
- Department of Materials Engineering, McGill University, 3610 University Street, Montreal, Quebec H3A 0C5, Canada
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20
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Yang H, Luo B, Zhang Y, Zhou B, Manzoor Ahmed S, Liu H, Liu X, He Y, Xia S. Study of Humic Acid Adsorption Character on Natural Maifan Stone: Characterization, Kinetics, Adsorption Isotherm, and Thermodynamics. ACS OMEGA 2020; 5:7683-7692. [PMID: 32280912 PMCID: PMC7144149 DOI: 10.1021/acsomega.0c00622] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2020] [Accepted: 03/12/2020] [Indexed: 05/30/2023]
Abstract
In this paper, the adsorption of humic acid (HA) on natural maifan stone (MS) in aqueous medium was investigated. The changes in MS after adsorption have been characterized explicitly. The adsorption behavior was studied by varying the factors of pH (5-10), reaction time (10-180 min), initial HA concentration (5-50 mg/L), adsorbent dosage (0.1-1.2 g), and temperature (25-45 °C). The kinetics of the adsorption process of HA was fitted well with the pseudo-second-order model (R 2 = 0.99). The isothermal results revealed that the adsorption process is favorable, and highly fitting Langmuir models (R 2 > 0.99) were used. Additionally, the obtained maximum adsorption capacity of MS for HA was approximately 1 mg/g. The adsorption process of HA onto MS was endothermic according to the thermodynamic study. The changes in the excitation-emission-matrix of HA and the X-ray diffraction of MS after adsorption indicate the interaction of HA and MS. However, the reason for these changes is still unclear. Thus, the results show that the natural MS exhibited a certain adsorption capacity for HA. It is promising to develop novel natural MS-based materials for adsorption of HA.
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Affiliation(s)
- Hang Yang
- School
of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Binhua Luo
- School
of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Yi Zhang
- Equipment
Company of Dongfeng Motor Co., Ltd, Shiyan 442000, China
| | - Boxun Zhou
- School
of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Sanjrani Manzoor Ahmed
- School
of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
| | - Huamin Liu
- Sinopec
Jianghan Oilfield Branch, Chongqing 400000, China
| | - Xiaowen Liu
- Sinopec
Jianghan Oilfield Branch, Chongqing 400000, China
| | - Yong He
- Sinopec
Jianghan Oilfield Branch, Chongqing 400000, China
| | - Shibin Xia
- School
of Resources and Environmental Engineering, Wuhan University of Technology, Wuhan 430070, China
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21
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Dhanalakshmi M, Lakshmi Prabavathi S, Saravanakumar K, Filip Jones B, Muthuraj V. Iridium nanoparticles anchored WO3 nanocubes as an efficient photocatalyst for removal of refractory contaminants (crystal violet and methylene blue). Chem Phys Lett 2020. [DOI: 10.1016/j.cplett.2020.137285] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
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