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Toan TQ, Mai NT, Trang HM, Van Hao P, Van Thanh D. Ultrasonic-assisted synthesis of magnetic recyclable Fe 3O 4/rice husk biochar based photocatalysts for ciprofloxacin photodegradation in aqueous solution. RSC Adv 2023; 13:11171-11181. [PMID: 37056971 PMCID: PMC10086671 DOI: 10.1039/d3ra00178d] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Accepted: 03/30/2023] [Indexed: 04/15/2023] Open
Abstract
In this work, a new facile one-spot method has been designed to fabricate a magnetic recyclable Fe3O4/rice husk biochar photocatalyst (FBP) for the removal of Ciprofloxacin (CIP) in aqueous solution. This method combines ultrasonic-assisted impregnation and precipitation, which can overcome the difficulties of long-time reactions, complex procedures, and extreme condition requirements. The successful fabrication of the Fe3O4/biochar material has been proven by a series of material characterization techniques, including X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Raman, Fourier Transform Infrared Spectroscopy (FTIR), X-ray Photoelectron Spectroscopy (XPS), and vibrating sample magnetometer (VSM). Moreover, the as-product FBP exhibited the excellent ability of photodegrading CIP and the possibility of magnetic recovery from the aqueous solution, suggesting a potential solution for removing antibiotic pollutants in environmental remediation.
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Affiliation(s)
- Tran Quoc Toan
- Faculty of Chemistry, Thai Nguyen University of Education 20 Luong Ngoc Quyen Thai Nguyen Vietnam
| | - Nguyen Thi Mai
- Faculty of Environmental Sciences, University of Science, Vietnam National University Hanoi 334 Nguyen Trai Road Hanoi Vietnam
- Faculty of Basic Science, Thai Nguyen University of Agriculture and Forestry Quyet Thang ward Thai Nguyen city Thai Nguyen Vietnam
| | - Hoang Minh Trang
- Faculty of Environmental Sciences, University of Science, Vietnam National University Hanoi 334 Nguyen Trai Road Hanoi Vietnam
| | - Pham Van Hao
- TNU-University of Information and Communication Technology Z115 St., Quyet Thang Ward Thai Nguyen City Thai Nguyen Vietnam
| | - Dang Van Thanh
- Faculty of Basic Science, Thai Nguyen University of Medicine and Pharmacy 284 Luong Ngoc Quyen, Thai Nguyen city Thai Nguyen Vietnam
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Mahjoore M, Honarmand M, Aryafar A. Plant-based green fabrication of CuO-CdO-bentonite S-scheme heterojunction with enhanced photocatalytic performance for the degradation of levofloxacin. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:44439-44456. [PMID: 36692716 DOI: 10.1007/s11356-023-25277-1] [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: 10/10/2022] [Accepted: 01/08/2023] [Indexed: 06/17/2023]
Abstract
In this research, for the first time, CuO and CdO nanoparticles (NPs) were synthesized using Ferula persica and anchored on layered bentonite as a novel S-scheme nano-heterojunction (denoted as CuO-CdO-BT). Ferula persica acted as a naturally-sourced reducing agent and stabilizer for the synthesis of NPs. The performance of CuO-CdO-BT was evaluated for the degradation of levofloxacin from an aqueous solution under sunlight. The characterization results clarified that the bentonite as a support not only reduced the agglomeration of CuO and CdO NPs but also decreased the size of biosynthesized NPs, which increased the active surface of NPs and the photodegardation efficiency. The effect of operational reaction system variables was examined to optimize the photocatalytic capability of CuO-CdO-BT. Under optimum conditions (catalyst dosage = 0.4 g/L, LVF concentration = 10 mg/L and pH = 8), 96.11% of levofloxacin was degraded using CuO-CdO-BT after 30 min with degradation kinetic of 0.108 min-1, which was about 2.4 and 4.2 times higher than those of bare CuO and CdO NPs, respectively. The improvement of the photocatalytic degradation efficiency of CuO-CdO-BT compared to CuO and CdO NPs was due to preventing the recombination of charge carriers in the S-scheme system. The radical quenching experiments ascertained the generation of [Formula: see text]·OH, and [Formula: see text] species in the CuO-CdO-BT system, indicating that ·OH radicals have a more prominent role than [Formula: see text] and [Formula: see text] in the photocatalytic reaction. The six possible levofloxacin pathways of LVF degradation were suggested based on HPLC-MS analysis. Over 88.5% LVF was removed using CuO-CdO-BT after three catalyst reuse cycles, indicating a cost-effectiveness potential of the biosynthesized photocatalyst reusability. Almost complete mineralization of LVF was obtained by the CuO-CdO-BT photocatalyst after 180 min of reaction. Based on findings, the S-scheme mechanism of photo-generated electron-hole pairs transfer in the CuO-CdO-BT system was found. The unique structural features of the new generation of S-scheme heterojunction and green synthesis of NPs using plants provide promising photocatalysts to improve wastewater treatment.
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Affiliation(s)
- Majid Mahjoore
- Department of Mining Engineering, Faculty of Engineering, University of Birjand, Birjand, Iran
| | - Moones Honarmand
- Department of Chemical Engineering, Birjand University of Technology, Birjand, Iran.
| | - Ahmad Aryafar
- Department of Mining Engineering, Faculty of Engineering, University of Birjand, Birjand, Iran
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Fabrication of a novel Ni-doped CdAl2O4 nanoparticles and applications in photo-oxidation processes under visible light illumination. MOLECULAR CATALYSIS 2023. [DOI: 10.1016/j.mcat.2022.112835] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
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Sibhatu AK, Weldegebrieal GK, Sagadevan S, Tran NN, Hessel V. Photocatalytic activity of CuO nanoparticles for organic and inorganic pollutants removal in wastewater remediation. CHEMOSPHERE 2022; 300:134623. [PMID: 35439489 DOI: 10.1016/j.chemosphere.2022.134623] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 03/26/2022] [Accepted: 04/12/2022] [Indexed: 06/14/2023]
Abstract
Heterogeneous photocatalysis is a promising technology for eradicating organic, inorganic, and microbial pollutants in water and wastewater remediation. It is a more preferable method to other conventional wastewater treatment approaches on account of its low cost, environmental benignity, ability to proceed at ambient temperature and pressure conditions, and capability to completely degrade pollutants under appropriate conditions into environmentally safe products. In heterogeneous photocatalysis, pollutant removal is mainly induced by in-situ generated reactive radicals and their subsequent attack when energetic radiation impinges on the semiconductor catalyst. As such, for the effective and economical removal of wastewater pollutants, the employed catalyst should have high photonic efficiency, less toxic, abundant, chemically and photochemically stableand visible light active. Copper (II) oxide (CuO) is one among such promising compounds and its photocatalytic performance has been hampered primarily by rapid recombination and slow mobility of photogenerated charge carriers. So, this review provides an overview of the strategies adopted to mitigate the aforementioned drawbacks and also other operational parameters to boost its catalytic activity towards the elimination of toxic organic and inorganic metal ion contaminants in an aqueous media.
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Affiliation(s)
- Assefu Kassegn Sibhatu
- Department of Physics, College of Natural and Computational Sciences, Debre Berhan University, Ethiopia
| | - Getu Kassegn Weldegebrieal
- Department of Chemistry, College of Natural and Computational Sciences, Debre Berhan University, Ethiopia.
| | - Suresh Sagadevan
- Nanotechnology & Catalysis Research Centre, University of Malaya, Kuala Lumpur, 50603, Malaysia.
| | - Nam Nghiep Tran
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, North Terrace Campus, Adelaide, 5005, Australia
| | - Volker Hessel
- School of Chemical Engineering and Advanced Materials, The University of Adelaide, North Terrace Campus, Adelaide, 5005, Australia.
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Liu H, Zhang P, Chen H, Ding N, Ni J. Study on the degradation mechanism of 2-amino-4-acetaminoanisole from wastewater by nano-Fe 3O 4-catalyzed Fenton system. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:35811-35827. [PMID: 35061180 DOI: 10.1007/s11356-022-18716-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: 07/12/2021] [Accepted: 01/13/2022] [Indexed: 06/14/2023]
Abstract
2-Amino-4-acetaminoanisole (AMA) is an intermediate product in the synthesis of many commercial dyes, and its wide application has led to the generation of a series of AMA dye wastewater. Discharge of untreated AMA dyed wastewater could bring environmental concerns. The present study featured H2O2 Fenton system to degrade 2-amino-4-acetaminoanisole from wastewater using nano-Fe3O4 catalyst prepared via the co-precipitation method. Furthermore, the Box-Behnken design (BBD) response surface method was used to investigate the individual effects of Fe3O4 dosage, H2O2 dosage, initial pH, and reaction time on AMA removal, while in the interaction study, the Design-Expert 10.0 software was applied to obtain a quadratic response surface model. Results indicated that the catalytic effect of nano-Fe3O4 showed better degradation performance as compared to FeSO4 Fenton system. The order of the influence of the selected independent variables on the response value is as follows: nano-Fe3O4 dosage > H2O2 dosage > reaction time > pH. As for 3.04 × 105 μg/L of AMA dye wastewater, the optimal reaction conditions considered in this study are 1.70 g/L of nano-Fe3O4 dosage, 53.52 mmol/L of H2O2 dosage, pH 5.14, and 388.97 min as system reaction time. Furthermore, HPLC-MS was employed to analyze the degradation mechanism of AMA and the reaction intermediate products. Possible degradation pathways of AMA by radicals were addressed. Findings of this research provide fundamental theory and guide practical AMA treatment during wastewater treatment.
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Affiliation(s)
- Hong Liu
- School of Environmental Science and Engineering, Jiangsu Key Laboratory of Environmental Science and Technology, Suzhou University of Science and Technology, Suzhou, 215009, People's Republic of China.
| | - Peng Zhang
- School of Environmental Science and Engineering, Jiangsu Key Laboratory of Environmental Science and Technology, Suzhou University of Science and Technology, Suzhou, 215009, People's Republic of China
| | - Houwang Chen
- School of Environmental Science and Engineering, Jiangsu Key Laboratory of Environmental Science and Technology, Suzhou University of Science and Technology, Suzhou, 215009, People's Republic of China
| | - Ning Ding
- Department of Environmental Science and Engineering, Key Laboratory of Cleaner Production and Comprehensive Utilization of Resources, China National Light Industry, Beijing Technology and Business University, Beijing, People's Republic of China
| | - Jing Ni
- School of Environmental Science and Engineering, Jiangsu Key Laboratory of Environmental Science and Technology, Suzhou University of Science and Technology, Suzhou, 215009, People's Republic of China
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Visible-Light-Driven Bio-Templated Magnetic Copper Oxide Composite for Heterogeneous Photo-Fenton Degradation of Tetracycline. WATER 2021. [DOI: 10.3390/w13141918] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The development of a visible-light-driven, reusable, and long-lasting catalyst for the heterogeneous photo-Fenton process is critical for practical application in the treatment of contaminated water. This study focuses on synthesizing a visible-light-driven heterogenous bio-templated magnetic copper oxide composite (Fe3O4/CuO/C) by a two-step process of bio-templating and hydrothermal processes. The prepared composite was characterized by field emission-scanning electron microscope (FE-SEM), Fourier-transform infrared spectroscopy (FTIR), thermogravimetric analysis (TGA), X-ray photoelectron spectroscopy (XPS), electrical impedance spectroscopy (EIS), and vibrating sample magnetometer (VSM). The results reveal that the prepared composite retains the template’s (corn stalk’s) original porous morphology, and a substantial amount of CuO and Fe3O4 particles are loaded onto the surface of the template. The prepared Fe3O4/CuO/C composite was employed as a catalyst for heterogeneous photo-Fenton degradation of tetracycline (TC) irradiated by visible light. The prepared Fe3O4/CuO/C catalyst has high efficiency towards TC degradation within 60 min across a wide pH range irradiated by visible light, which is attributed to its readily available interfacial boundaries, which significantly improves the movement of photoexcited electrons across various components of the prepared composite. The influence of other parameters such as initial H2O2 concentration, initial concentration of TC, and catalyst dosages was also studied. In addition to high efficiency, the prepared catalyst’s performance was sustained after five cycles, and its recovery is aided by the use of an external magnetic field. This research paper highlights the development of a heterogeneous catalyst for the elimination of refractory organic compounds in wastewater.
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