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Zhou Z, Cheng H, Komarneni S, Ma J. MIL-101(Fe)/WS 2 composites activated Na 2S 2O 8 with visible light for removal of tetracycline. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:122393-122404. [PMID: 37968488 DOI: 10.1007/s11356-023-30914-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: 06/08/2023] [Accepted: 11/01/2023] [Indexed: 11/17/2023]
Abstract
MIL-101(Fe)/WS2 catalyst was composited using a solvothermal method. To study the physical and chemical properties of the composite material, a series of characterizations such as scanning electron microscope (SEM), X-ray diffraction (XRD), and catalytic experiments were carried out. The photocatalysis of the prepared catalyst in the degradation of tetracycline was investigated using persulfate (PS, Na2S2O8) as a cocatalyst under visible light illumination. The above system can remove about 80% of tetracycline within 40 min. After three cyclic experiments, the material showed good recycling. According to material characterization and various experimental results, the enhanced performance of the material was attributed to the reduction of the recombination efficiency of photogenerated e- and h+, and activated persulfate to produce a large number of free radicals such as O2•-, SO4•- and 1O2 produced by the active sites provided by the catalyst's high specific surface area.
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Affiliation(s)
- Zhongwei Zhou
- School of Environmental Science and Engineering, Changzhou University, Jiangsu, 213164, China
| | - Hao Cheng
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Guangxi, 545006, China
| | - Sridhar Komarneni
- Department of Ecosystem Science and Management and Materials Research Institute, 204 Materials Research Laboratory, The Pennsylvania State University, University Park, PA, 16802, USA.
| | - Jianfeng Ma
- School of Environmental Science and Engineering, Changzhou University, Jiangsu, 213164, China
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2
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Wang Q, Zhu F, Cheng H, Komarneni S, Ma J. Efficient activation of persulfate by Ti 3C 2 MXene QDs modified ZnFe 2O 4 for the rapid degradation of tetracycline. CHEMOSPHERE 2023; 328:138546. [PMID: 37019395 DOI: 10.1016/j.chemosphere.2023.138546] [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: 02/08/2023] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 06/19/2023]
Abstract
Mxene-based catalysts with specific interfacial characteristics are beneficial for photocatalytic applications. Herein, Ti3C2 MXene modified ZnFe2O4 nanocomposite materials were prepared for photocatalysis. The morphology and structure of the nanocmposites were characterized by scanning electron microscopy (SEM), High-resolution transmission electron microscopy (HRTEM), X-ray diffraction (XRD), and X-ray photoelectron spectroscopy (XPS), which revealed that Ti3C2 MXene as quantum dots (QDs) was uniformly distributed on the ZnFe2O4 surface. The Ti3C2 QDs modified ZnFe2O4 catalyst (ZnFe2O4/MXene-15%) under visible light achieved 87% degradation efficiency of tetracycline within 60 min when coupled with persulfate (PS) system. The initial solution pH, PS dosage and co-existing ions were found to be the main factors affecting the heterogeneous oxidation process, while quenching experiments showed that O2•- is the main oxidizing species in the removal of tetracycline in ZnFe2O4/MXene-PS system. In addition, the cyclic experiments suggested that ZnFe2O4/MXene had good stability and thus it may have practical applications in industry.
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Affiliation(s)
- Qi Wang
- School of Environmental Science and Engineering, Changzhou University, Jiangsu, 213164, China
| | - Fang Zhu
- School of Environmental Science and Engineering, Changzhou University, Jiangsu, 213164, China
| | - Hao Cheng
- Guangxi Key Laboratory of Green Processing of Sugar Resources, College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Guangxi, 545006, China
| | - Sridhar Komarneni
- Department of Ecosystem Science and Management and Materials Research Institute, 204 Materials Research Laboratory, The Pennsylvania State University, University Park, PA, 16802, USA.
| | - Jianfeng Ma
- School of Environmental Science and Engineering, Changzhou University, Jiangsu, 213164, China.
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3
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Segura A, Rodriguez A, Hernández P, Pesenti H, Hernández-Montelongo J, Arranz A, Benito N, Bitencourt J, Vergara-González L, Nancucheo I, Recio-Sánchez G. Sulfidogenic Bioreactor-Mediated Formation of ZnS Nanoparticles with Antimicrobial and Photocatalytic Activity. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:935. [PMID: 36903813 PMCID: PMC10004825 DOI: 10.3390/nano13050935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/28/2023] [Accepted: 03/02/2023] [Indexed: 06/18/2023]
Abstract
The use of sulfidogenic bioreactors is a biotechnology trend to recover valuable metals such as copper and zinc as sulfide biominerals from mine-impacted waters. In the present work, ZnS nanoparticles were produced using "green" H2S gas generated by a sulfidogenic bioreactor. ZnS nanoparticles were physico-chemically characterized by UV-vis and fluorescence spectroscopy, TEM, XRD and XPS. The experimental results showed spherical-like shape nanoparticles with principal zinc-blende crystalline structure, a semiconductor character with an optical band gap around 3.73 eV, and fluorescence emission in the UV-visible range. In addition, the photocatalytic activity on the degradation of organic dyes in water, as well as bactericidal properties against several bacterial strains, were studied. ZnS nanoparticles were able to degrade methylene blue and rhodamine in water under UV radiation, and also showed high antibacterial activity against different bacterial strains including Escherichia coli and Staphylococcus aureus. The results open the way to obtain valorous ZnS nanoparticles from the use of dissimilatory reduction of sulfate using a sulfidogenic bioreactor.
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Affiliation(s)
- Aileen Segura
- Facultad de Ingeniería, Arquitectura y Diseño, Universidad San Sebastián, Concepción 4030000, Chile
| | - Araceli Rodriguez
- Facultad de Ingeniería, Arquitectura y Diseño, Universidad San Sebastián, Concepción 4030000, Chile
| | - Pedro Hernández
- Facultad de Ingeniería, Arquitectura y Diseño, Universidad San Sebastián, Concepción 4030000, Chile
| | - Hector Pesenti
- Núcleo de Investigación en Bioproductos y Materiales Avanzados, Universidad Católica de Temuco, Temuco 4780000, Chile
| | - Jacobo Hernández-Montelongo
- Núcleo de Investigación en Bioproductos y Materiales Avanzados, Universidad Católica de Temuco, Temuco 4780000, Chile
| | - Antonio Arranz
- Departamento de Física Aplicada, Universidad Autónoma de Madrid, Cantoblanco, 28049 Madrid, Spain
| | - Noelia Benito
- Departamento de Física, Universidad de Concepción, Concepción 4030000, Chile
| | | | - Luis Vergara-González
- Facultad de Medicina y Ciencia, Universidad San Sebastián, Concepción 4030000, Chile
| | - Iván Nancucheo
- Facultad de Ingeniería, Arquitectura y Diseño, Universidad San Sebastián, Concepción 4030000, Chile
| | - Gonzalo Recio-Sánchez
- Facultad de Ingeniería, Arquitectura y Diseño, Universidad San Sebastián, Concepción 4030000, Chile
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4
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Qi Y, Zou M, Ajarem JS, Allam AA, Wang Z, Qu R, Zhu F, Huo Z. Catalytic degradation of pharmaceutical and personal care products in aqueous solution by persulfate activated with nanoscale FeCoNi-ternary mixed metal oxides. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/17/2023]
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5
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Gao Z, Zhu J, Zhu Q, Wang C, Cao Y. Spinel ferrites materials for sulfate radical-based advanced oxidation process: A review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 847:157405. [PMID: 35850354 DOI: 10.1016/j.scitotenv.2022.157405] [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: 05/06/2022] [Revised: 06/28/2022] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
In the past decade, the sulfate radical-based advanced oxidation processes (SR-AOPs) have been increasingly investigated because of their excellent performance and ubiquity in the degradation of emerging contaminants. Generally, sulfate radicals can be generated by activating peroxodisulfate (PDS) or peroxymonosulfate (PMS). To date, spinel ferrites (SF) materials have been greatly favored by researchers in activating PMS/PDS for their capability and unique superiorities. This article reviewed the recent advances in various pure SF, modified SF, and SF composites for PDS/PMS activation. In addition, synthesis methods, mechanisms, and potential applications of SF-based SR-AOPs were also examined and discussed in detail. Finally, we present future research directions and challenges for the application of SF materials in SR-AOPs.
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Affiliation(s)
- Zhimin Gao
- College of Environment, Hohai University, Nanjing, 210098, China
| | - Jianzhong Zhu
- College of Environment, Hohai University, Nanjing, 210098, China.
| | - Qiuzi Zhu
- College of Environment, Hohai University, Nanjing, 210098, China
| | - Cunshi Wang
- College of Environment, Hohai University, Nanjing, 210098, China
| | - Yanyan Cao
- College of Environment, Hohai University, Nanjing, 210098, China
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6
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Huerta-Aguilar C, Diaz-Puerto ZJ, Tecuapa-Flores ED, Thangarasu P. Crystal Plane Impact of ZnFe 2O 4-Ag Nanoparticles Influencing Photocatalytical and Antibacterial Properties: Experimental and Theoretical Studies. ACS OMEGA 2022; 7:33985-34001. [PMID: 36188324 PMCID: PMC9520734 DOI: 10.1021/acsomega.2c03153] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Accepted: 08/29/2022] [Indexed: 06/16/2023]
Abstract
This paper describes the crystal interphase impact of ZnFe2O4-Ag in the photodegradation of Rhodamine B. Prepared ZnFe2O4 nanoparticles (NPs) were deposited with Ag NPs to offer ZnFe2O4-Ag (0-2.5%). An X-ray diffraction peak corresponding to the Ag NPs was detected if the particle content reached about 2.0%, observing multiple crystalline interphases in HR-TEM. Magnetic saturation (Ms) was increased ∼160% times for ZnFe2O4-Ag (7.25 to 18.71 emu/g) and ZnFe2O4 (9.62 to 25.09 emu/g) if the temperature is lowered from 298 to 5.0 K; while for Fe3O4 (91.09 to 96.19 emu/g), the Ms increment was just about 5.6%. After analyzing the DFT-Density of State, a decrease of bandgap energy for ZnFe2O4-Ag6 from the influence of the size of Ag cluster was seen. Quantum yield (Φ) was 0.60 for ZnFe2O4, 0.25 for ZnFe2O4-Ag (1.0%), 0.70 for ZnFe2O4-Ag (1.5%), 0.66 for ZnFe2O4-Ag (2.0%), and 0.66 for ZnFe2O4-Ag (2.5%), showing that the disposition of Ag NPs (1.5-2.5%) increases the Φ to >0.60. The samples were used to photo-oxidize RhB under visible light assisted by photopowered Langmuir adsorption. The degradation follows first-order kinetics (k = 5.5 × 10-3 min-1), resulting in a greater k = 2.0 × 10-3 min-1 for ZnFe2O4-Ag than for ZnFe2O4 (or Fe3O4, k = 1.1 × 10-3 min-1). DFT-total energy was used to analyze the intermediates formed from the RhB oxidation. Finally, the ZnFe2O4-Ag exhibits good antibacterial behavior because of the presence of Zn and the Ag components.
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Affiliation(s)
- Carlos
Alberto Huerta-Aguilar
- Instituto
Tecnologico y de Estudios Superiores de Monterrey, Campus Puebla,
School of Engineering and Sciences, Atlixcáyotl 5718, San Andres Cholula, PueblaMéxico, MX 72800
| | - Zarick Juliana Diaz-Puerto
- Universidad
Nacional Autónoma de México, Facultad de Química,
Ciudad Universitaria, México
City, Ciudad de MéxicoMéxico, MX 04510
| | - Eduardo Daniel Tecuapa-Flores
- Universidad
Nacional Autónoma de México, Facultad de Química,
Ciudad Universitaria, México
City, Ciudad de MéxicoMéxico, MX 04510
| | - Pandiyan Thangarasu
- Universidad
Nacional Autónoma de México, Facultad de Química,
Ciudad Universitaria, México
City, Ciudad de MéxicoMéxico, MX 04510
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Wang Q, Mei Y, Zhou R, Komarneni S, Ma J. Persulfate activation of CuS@Ti3C2-based MXene with Bi-active centers toward Orange II removal under visible light. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129315] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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8
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Ravikumar S, Mani D, Rizwan Khan M, Ahmad N, Gajalakshmi P, Surya C, Durairaj S, Pandiyan V, Ahn YH. Effect of silver incorporation on the photocatalytic degradation of Reactive Red 120 using ZnS nanoparticles under UV and solar light irradiation. ENVIRONMENTAL RESEARCH 2022; 209:112819. [PMID: 35085559 DOI: 10.1016/j.envres.2022.112819] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/03/2021] [Revised: 01/13/2022] [Accepted: 01/18/2022] [Indexed: 06/14/2023]
Abstract
In this work, the Ag modified ZnS nanoparticles were synthesized via the hydrothermal method, and used for photocatalytic degradation of organic dyes. Various analytical techniques were utilized to characterize the prepared ZnS and Ag incorporated ZnS nanoparticles. The vibrational and structural properties of the prepared nanoparticles were analyzed by FT-IR and XRD, which confirm the modification of Ag in the ZnS. The broadening of the hydroxyl group after incorporation of Ag in ZnS was observed in the FT-IR spectra. The additional (111), (200), and (220) planes in XRD of Ag-ZnS belong to the silver. The increased absorbance in the entire visible region facilitates the ZnS/Ag photocatalytic performance under direct sunlight. ZnS/Ag nanoparticles showed excellent photocatalytic activity toward degradation of RR 120, DB 15, and AB 1. The ZnS/Ag catalyst efficiently degrades the RR 120 under sunlight with higher pseudo-first order kinetic k = 0.0179 min-1 than the other dyes. The reusability study exhibited ZnS/Ag has highly stable and degraded more than 80% of RR 120 under sunlight irradiation after 4th cycle.
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Affiliation(s)
- S Ravikumar
- Department of Physics, Nehru Memorial College, Affiliated to Bharathidasan University, Puthanampatti, 621007, Tamil Nadu, India
| | - Durai Mani
- Environmental Science and Engineering Laboratory, Department of Civil Engineering, Yeungnam University, Geongsan, 38541, Republic of Korea
| | - Mohammad Rizwan Khan
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Naushad Ahmad
- Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - P Gajalakshmi
- PG and Research, Department of Microbiology, Dhanalakshmi Srinivasan College of Arts and Science for Women (Autonomous), Perambalur, 621 212, Tamil Nadu, India
| | - C Surya
- Department of Biochemistry, Dhanalakshmi Srinivasan College of Arts and Science for Women (Autonomous), Perambalur, 621 212, Tamil Nadu, India
| | - Sivaraj Durairaj
- Sri Siva Subramaniya Nadar College of Engineering, Kalavakkam, 603110, Tamil Nadu, India.
| | - V Pandiyan
- Department of Physics, Nehru Memorial College, Affiliated to Bharathidasan University, Puthanampatti, 621007, Tamil Nadu, India.
| | - Young-Ho Ahn
- Environmental Science and Engineering Laboratory, Department of Civil Engineering, Yeungnam University, Geongsan, 38541, Republic of Korea.
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9
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Yang H, Hao H, Zhao Y, Hu Y, Min J, Zhang G, Bi J, Yan S, Hou H. An efficient construction method of S-scheme Ag2CrO4/ZnFe2O4 nanofibers heterojunction toward enhanced photocatalytic and antibacterial activity. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128603] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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10
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Zhu F, Wu H, Zhang H, Komarneni S, Ma J. Heterogeneous activation of persulfate by Bi 2MoO 6-CuS composite for efficient degradation of orange II under visible light. CHEMOSPHERE 2022; 293:133558. [PMID: 35016957 DOI: 10.1016/j.chemosphere.2022.133558] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 01/05/2022] [Accepted: 01/06/2022] [Indexed: 06/14/2023]
Abstract
Here in, a special catalytic system of potassium persulfate (K2S2O8, PS) activated by Bi2MoO6-CuS composite was established for the orange II (OII) degradation under visible light. The Bi2MoO6-CuS composite was synthesized by a two-step hydrothermal and solvothermal methods. The structure, morphology, light absorption and photocatalytic properties of the composite were respectively characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), UV-visible diffuse reflectance spectroscopy (UV-vis DRS). The removal efficiency of OII degradation in the Bi2MoO6-CuS/PS/vis system reached to 98% within 80 min, which was much higher than that of either Bi2MoO6 or CuS alone. A feasible mechanism analysis of OII degradation was proposed and validated by simple classical quenching experiments and electron spin resonance (ESR) spectroscopy. The high removal efficiency by the nanocomposite could be attributed to highly active species of O2·-, ·OH and SO4•- radicals in the Bi2MoO6-CuS photocatalytic oxidation system. Moreover, the composite material retained its activation performance even after 5 degradation cycles, which suggested its high stability.
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Affiliation(s)
- Fang Zhu
- School of Environmental and Safety Engineering, Changzhou University, Jiangsu, 213164, China
| | - Huiqi Wu
- School of Environmental and Safety Engineering, Changzhou University, Jiangsu, 213164, China
| | - He Zhang
- School of Environmental and Safety Engineering, Changzhou University, Jiangsu, 213164, China
| | - Sridhar Komarneni
- Department of Ecosystem Science and Management and Materials Research Institute, 204 Materials Research Laboratory, The Pennsylvania State University, University Park, PA, 16802, USA.
| | - Jianfeng Ma
- School of Environmental and Safety Engineering, Changzhou University, Jiangsu, 213164, China.
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11
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Tian B, Zhao W, Cui Y, Chu H, Qi S, Wang J, Xin B. Utilizing waste Zn-Mn batteries in combination with waste SCR catalyst to construct a magnetically recoverable and highly photocatalytic materials. Chem Phys Lett 2022. [DOI: 10.1016/j.cplett.2022.139530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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12
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Wang Y, Gan T, Xiu J, Liu G, Zou H. Degradation of sulfadiazine in aqueous media by peroxymonosulfate activated with biochar-supported ZnFe 2O 4 in combination with visible light in an internal loop-lift reactor. RSC Adv 2022; 12:24088-24100. [PMID: 36128526 PMCID: PMC9400800 DOI: 10.1039/d2ra04573g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 08/15/2022] [Indexed: 11/28/2022] Open
Abstract
Solid waste resource utilization and the treatment of wastewater are two important aspects in environmental protection. Here, biochar (BC) derived from municipal sewage sludge has been combined with ZnFe2O4 to form the photocatalyst ZnFe2O4/biochar (ZnFe/BC), and it was used to degrade sulfadiazine (SDZ) in the presence of peroxymonosulfate (PMS) under visible (Vis) light irradiation in an internal loop-airlift reactor (ALR). The surface morphology and structure of ZnFe/BC have been characterized by X-ray diffraction (XRD), scanning electron microscopy equipped with an attachment for energy-dispersive spectroscopy (SEM-EDS), X-ray photoelectron spectroscopy (XPS), and UV-Vis diffuse reflectance spectroscopy (UV-Vis DRS). ZnFe/BC displays outstanding photocatalytic performance and reusability. After four reuse cycles of ZnFe/BC in the Vis/ZnFe/BC/PMS system, the SDZ degradation rate and efficiency still reached 0.082 min−1 and 99.05%, respectively. Reactive species in this system included free radicals SO4˙−, ˙OH, and ˙O2−, as well as non-radicals 1O2, e−, and h+, as established from the results of chemical quenching experiments and electron paramagnetic resonance (EPR) analyses. Moreover, a mechanism of action of the Vis/ZnFe/BC/PMS system for SDZ degradation was proposed. The acute toxicity of the reaction solution towards Photobacterium phosphoreum T3 spp. in the Vis/ZnFe/BC/PMS process increased during the first 40 min and then decreased, illustrating that Vis/ZnFe/BC/PMS provided an effective and safe method for the removal of SDZ. Solid waste resource utilization and the treatment of wastewater are two important aspects in environmental protection.![]()
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Affiliation(s)
- Yan Wang
- Department of Environmental Science and Engineering, Anhui Science and Technology University, Donghua Road 9#, Fengyang, 233100, China
| | - Tao Gan
- Department of Environmental Science and Engineering, Anhui Science and Technology University, Donghua Road 9#, Fengyang, 233100, China
| | - Jingyu Xiu
- Department of Environmental Science and Engineering, Anhui Science and Technology University, Donghua Road 9#, Fengyang, 233100, China
| | - Ganghua Liu
- Department of Environmental Science and Engineering, Anhui Science and Technology University, Donghua Road 9#, Fengyang, 233100, China
| | - Haiming Zou
- Department of Environmental Science and Engineering, Anhui Science and Technology University, Donghua Road 9#, Fengyang, 233100, China
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13
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Dung NT, Hue TT, Thao VD, Huy NN. Preparation of Mn 2O 3/MIL-100(Fe) composite and its mechanism for enhancing the photocatalytic removal of rhodamine B in water. RSC Adv 2021; 11:28496-28507. [PMID: 35478589 PMCID: PMC9038021 DOI: 10.1039/d1ra03496k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Accepted: 08/06/2021] [Indexed: 12/26/2022] Open
Abstract
In this study, Mn2O3/MIL-100(Fe) composite was successfully synthesized by the hydrothermal method and applied for photocatalytic removal of rhodamine B (RhB) in water. The physical and chemical properties of the synthesized materials were characterized by XRD, FTIR, SEM, UV-visible, and BET analyses. Experimental results showed a great enhancement in the photocatalytic ability of the Mn2O3/MIL-100(Fe) composite as compared to individual Mn2O3 or MIL-100(Fe) under visible light and persulfate activation. The affecting factors such as pH, photocatalyst dose, RhB concentration, and Na2S2O8 concentration were investigated to find out the best conditions for efficient photocatalysis. By conducting a radical quenching test, all radicals of HO˙, SO4˙-, 1O2, and O2˙- were found to be important in photocatalytic decomposition. The mechanism was proposed for the enhancement of photocatalytic RhB removal via band potential calculation, charge separation, surface redox reaction, and key reactive oxidation species. With its durability, reusability, and high efficiency, the Mn2O3/MIL-100(Fe) composite emerges as a potential photocatalyst working under visible light for application in wastewater treatment.
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Affiliation(s)
- Nguyen Trung Dung
- Faculty of Physical and Chemical Engineering, Le Quy Don Technical University 236 Hoang Quoc Viet St., Bac Tu Liem District Hanoi Vietnam
| | - Tran Thi Hue
- Faculty of Physical and Chemical Engineering, Le Quy Don Technical University 236 Hoang Quoc Viet St., Bac Tu Liem District Hanoi Vietnam
| | - Vu Dinh Thao
- Faculty of Physical and Chemical Engineering, Le Quy Don Technical University 236 Hoang Quoc Viet St., Bac Tu Liem District Hanoi Vietnam
| | - Nguyen Nhat Huy
- Faculty of Environment and Natural Resources, Ho Chi Minh City University of Technology (HCMUT) 268 Ly Thuong Kiet Street, District 10 Ho Chi Minh City Vietnam .,Vietnam National University Ho Chi Minh City Linh Trung Ward, Thu Duc City Ho Chi Minh City Vietnam
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14
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Wu W, Feng S, Zheng W, Shao C, Jiang Z. Enhancing visible-light photocatalytic degradation of tetracycline by ZnFe2O4 loaded on UiO-66-NH2 under activated persulfate. RESEARCH ON CHEMICAL INTERMEDIATES 2021. [DOI: 10.1007/s11164-021-04434-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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15
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Keerthana SP, Yuvakkumar R, Kumar PS, Ravi G, Velauthapillai D. Rare earth metal (Sm) doped zinc ferrite (ZnFe 2O 4) for improved photocatalytic elimination of toxic dye from aquatic system. ENVIRONMENTAL RESEARCH 2021; 197:111047. [PMID: 33781773 DOI: 10.1016/j.envres.2021.111047] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 03/10/2021] [Accepted: 03/12/2021] [Indexed: 06/12/2023]
Abstract
Wastewater remediation is the serious topic that must be taken into concern which would be a most crucial problem that destroys the natural properties as well as it has some worse effect on living organisms. By doing better wastewater management, the scarcity of water for domestic purposes can be eventually managed. Dyes are main organic pollutant that must be removed from wastewater. Pristine, 1% Sm doped and 2% Sm doped ZnFe2O4 were prepared through simple co-precipitation method. The materials were further analyzed for its structure, optical properties, rotational properties and morphology studies. These analyses were investigated with respect to X-ray diffraction, UV-vis spectroscopy, photoluminescence and scanning electron microscopic studies. XRD pattern of Pristine, 1% Sm doped and 2% Sm doped ZnFe2O4 was matched with JCPDS Card #89-1012 with cubic phase. Bandgap energy of prepared samples were 1.7 eV, 1.65 eV and 1.47 eV. The prepared cationic dye was degraded with help of visible light irradiation. 2% Sm doped ZnFe2O4 nanoparticles easily removed 65% of dye within 1 h duration. 2% Sm doped ZnFe2O4 was tested for its reusability and efficiency was stable for more than three cycles. This shows the stability of the sample towards degrading the cationic dye. By the doping of Samarium, ZnFe2O4 nanoparticles enthusiastically removed cationic dye and it proves to be an efficient candidate in removing dyes and can help in wastewater treatment in upcoming era.
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Affiliation(s)
- S P Keerthana
- Department of Physics, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India
| | - R Yuvakkumar
- Department of Physics, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India.
| | - P Senthil Kumar
- Deprtament of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, 603110, India.
| | - G Ravi
- Department of Physics, Alagappa University, Karaikudi, 630 003, Tamil Nadu, India
| | - Dhayalan Velauthapillai
- Faculty of Engineering and Science, Western Norway University of Applied Sciences, Bergen, 5063, Norway
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16
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Wu Q. Fabrication of black TiO 2-x /NiFe 2O 4 supported on diatomaceous earth with enhanced sonocatalytic activity for ibuprofen mitigation. NANOTECHNOLOGY 2021; 32:055706. [PMID: 33065561 DOI: 10.1088/1361-6528/abc20c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
This study reports a facile fabrication of black TiO2-x /NiFe2O4 (Ti3+ self-doped titania coupled with nickel ferrite), an efficient sonocatalyst for ibuprofen (IBP) mitigation. Compared with TiO2-x or NiFe2O4, TiO2-x /NiFe2O4 heterojunction displayed higher sonocatalytic activity, and their immobilization onto diatomaceous earth further enhanced mitigation efficiency due to the synergy between adsorption and sonocatalysis. About 96.7% of 10 mg l-1 IBP was removed in 100 min using 0.7 g l-1 catalyst at pH = 6, with the ultrasonic power of 144 W and frequency of 60 KHz. Quenching experiment results demonstrated the roles of reactive species. The intermediates during IBP sono-oxidation were determined by HPLC-MS method, and the acute toxicity was evaluated. Furthermore, the reaction mechanism was proposed. The sonocatalyst revealed excellent reusability, suggesting itself promising for wastewater treatment.
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Affiliation(s)
- Qiong Wu
- College of Environment, Liaoning University, Shenyang 110036, People's Republic of China
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17
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Barik B, Maji B, Bag J, Mishra M, Singh J, Dash P. Design of a Non‐Cytotoxic ZnFe
2
O
4
‐CeO
2
/BRGO Direct Z‐Scheme Photocatalyst with Bioreduced Graphene Oxide as Cocatalyst. ChemistrySelect 2021. [DOI: 10.1002/slct.202003991] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Bapun Barik
- Department of Chemistry National Institute of Technology Rourkela Odisha India 769008 Tel: 91–661-246-2664 Fax: 91–661-247-2926
| | - Banalata Maji
- Department of Chemistry National Institute of Technology Rourkela Odisha India 769008 Tel: 91–661-246-2664 Fax: 91–661-247-2926
| | - Janmenjay Bag
- Department of Life Science National Institute of Technology Rourkela Odisha India 769008
| | - Monalisa Mishra
- Department of Life Science National Institute of Technology Rourkela Odisha India 769008
| | - Jaspreet Singh
- Technical Physics Division Raja Ramanna Centre for Advanced Technology Indore India 452013
| | - Priyabrat Dash
- Department of Chemistry National Institute of Technology Rourkela Odisha India 769008 Tel: 91–661-246-2664 Fax: 91–661-247-2926
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18
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Synthesis of Micro- and Nanoparticles in Sub- and Supercritical Water: From the Laboratory to Larger Scales. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10165508] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The use of micro- and nanoparticles is gaining more and more importance because of their wide range of uses and benefits based on their unique mechanical, physical, electrical, optical, electronic, and magnetic properties. In recent decades, supercritical fluid technologies have strongly emerged as an effective alternative to other numerous particle generation processes, mainly thanks to the peculiar properties exhibited by supercritical fluids. Carbon dioxide and water have so far been two of the most commonly used fluids for particle generation, the former being the fluid par excellence in this field, mainly, because it offers the possibility of precipitating thermolabile particles. Nevertheless, the use of high-pressure and -temperature water opens an innovative and very interesting field of study, especially with regards to the precipitation of particles that could hardly be precipitated when CO2 is used, such as metal particles with a considerable value in the market. This review describes an innovative method to obtain micro- and nanoparticles: hydrothermal synthesis by means of near and supercritical water. It also describes the differences between this method and other conventional procedures, the most currently active research centers, the types of particles synthesized, the techniques to evaluate the products obtained, the main operating parameters, the types of reactors, and amongst them, the most significant and the most frequently used, the scaling-up studies under progress, and the milestones to be reached in the coming years.
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Wu Q, Zhang Z. Fabrication of black TiO 2−x/CuFe 2O 4 decorated on diatomaceous earth with enhanced sonocatalytic activity for ibuprofen mitigation. Catal Sci Technol 2020. [DOI: 10.1039/d0cy01478h] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study reports facile fabrication of black TiO2−x/CuFe2O4 (Ti3+ self-doped titania coupled with copper ferrite), an efficient sonocatalyst for ibuprofen (IBP) mitigation.
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Affiliation(s)
- Qiong Wu
- College of Environment
- Liaoning University
- Shenyang 110036
- P. R. China
| | - Zhaohong Zhang
- College of Environment
- Liaoning University
- Shenyang 110036
- P. R. China
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