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Tian Y, He X, Zhou H, Tian X, Nie Y, Zhou Z, Yang C, Li Y. Efficient fenton-like degradation of ofloxacin over bimetallic Fe-Cu@Sepiolite composite. CHEMOSPHERE 2020; 257:127209. [PMID: 32502736 DOI: 10.1016/j.chemosphere.2020.127209] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Revised: 04/25/2020] [Accepted: 05/23/2020] [Indexed: 06/11/2023]
Abstract
An effective method for increasing the utilization efficiency of active components in heterogeneous Fenton-like catalysts was provided. 1.5 at.% Fe-Cu bimetal on 1D sepiolite (Sep) (D-FeCu@Sep) with high dispersion and reduced chemical valence was prepared via complexation-carbonization process of glutathione. 93% of ofloxacin (OFX, a typical antibiotic of emerging concern) was degraded over D-FeCu@Sep without any extra energy input at the optimum conditions (100 mL 10 mg/L OFX, pH 5.0, 3.0 g/L catalyst and 0.03 M H2O2), which was enhanced by 2.3, 3.0 and 1.7 times compared with aggregated Fe-Cu on Sep (A-FeCu@Sep), monometallic Fe on Sep (D-Fe@Sep) and Fe-Cu on blocky Celite (D-FeCu@Celite), respectively. Moreover, it exhibited an excellent performance at a wide working pH range from acidic to neutral conditions (pH 3.2-7.2) with a satisfied stability. Based on the characterizations of X-ray photoelectron spectroscopy (XPS), inductively coupled plasma mass spectrometry (ICP-MS), transmission electron microscopy (TEM), hydrogen temperature-programmed reduction (H2-TPR) and electrochemical impedance spectroscopy (EIS), the proposed complexation-carbonization process of glutathione played an important role in the good Fenton performance of D-FeCu@Sep. The complexation of Fe and Cu ion by glutathione favors the high dispersion of Fe-Cu active component, afterward the reduced chemical valence results from carbonization process of glutathione. Moreover, the 1D nanofibrous structure of D-FeCu@Sep could greatly increase the surface electron transfer efficiency compared with D-FeCu@Celite. This study provides a method alternative to the heterogeneous Fenton chemistry by increasing the utilization efficiency of active components.
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Affiliation(s)
- Yayang Tian
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, PR China
| | - Xiaoyu He
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, PR China; MNR Key Laboratory of Marine Mineral Resources, Guangzhou Marine Geological Survey, China Geological Survey, Guangzhou, 510075, PR China
| | - Hui Zhou
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, PR China
| | - Xike Tian
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, PR China
| | - Yulun Nie
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, PR China.
| | - Zhaoxin Zhou
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, PR China
| | - Chao Yang
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, PR China
| | - Yong Li
- Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan, 430074, PR China
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Chen L, Agrawal V, Tait SL. Sulfate promotion of selective catalytic reduction of nitric oxide by ammonia on ceria. Catal Sci Technol 2019. [DOI: 10.1039/c8cy02590h] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Selective catalytic reduction of nitric oxide by ammonia (NH3-SCR) is a promising technology for NOx emission control.
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Affiliation(s)
- Linxiao Chen
- Dept. of Chemistry
- Indiana University
- Bloomington
- USA
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Zhao H, Li H, Li X, Liu M, Li Y. The promotion effect of Fe to Cu-SAPO-34 for selective catalytic reduction of NO x with NH 3. Catal Today 2017. [DOI: 10.1016/j.cattod.2017.05.060] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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In situ preparation of mesoporous Fe/TiO2 catalyst using Pluronic F127-assisted sol-gel process for mid-temperature NH3 selective catalytic reduction. CHINESE JOURNAL OF CATALYSIS 2017. [DOI: 10.1016/s1872-2067(17)62897-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Activation of fast selective catalytic reduction of NO by NH3 at low temperature over TiO2 modified CuOX-CeOX composites. CATAL COMMUN 2017. [DOI: 10.1016/j.catcom.2016.11.028] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
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Li C, Zeng H, Liu P, Yu J, Guo F, Xu G, Zhang ZG. The recycle of red mud as excellent SCR catalyst for removal of NOx. RSC Adv 2017. [DOI: 10.1039/c7ra10348d] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The red mud is reused as catalyst with excellent DeNOx efficiency at high temperature by milling and neutralization method.
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Affiliation(s)
- Changming Li
- State Key Laboratory of Multi-phase Complex Systems
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Hong Zeng
- State Key Laboratory of Multi-phase Complex Systems
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Pingle Liu
- School of Chemical Engineering
- Xiangtan University
- Xiangtan
- PR China
| | - Jian Yu
- State Key Laboratory of Multi-phase Complex Systems
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Feng Guo
- State Key Laboratory of Multi-phase Complex Systems
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Guangwen Xu
- State Key Laboratory of Multi-phase Complex Systems
- Institute of Process Engineering
- Chinese Academy of Sciences
- Beijing 100190
- China
| | - Zhan-guo Zhang
- National Institute of Advanced Industrial Science and Technology (AIST)
- Tsukuba
- Japan
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Bai Y, Wu W, Bian X. Investigation of the interactions in CeO2–Fe2O3 binary metal oxides supported on ZSM-5 for NO removal by CO in the presence of O2, SO2 and steam. RSC Adv 2017. [DOI: 10.1039/c7ra10773k] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The 10Ce–10Fe/ZSM-5 catalyst exhibits superior resistance to O2 and SO2 due to the interaction between Fe2O3 and CeO2.
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Affiliation(s)
- Yuting Bai
- School of Metallurgy
- Northeastern University
- Shen Yang
- China
| | - Wenyuan Wu
- School of Metallurgy
- Northeastern University
- Shen Yang
- China
| | - Xue Bian
- School of Metallurgy
- Northeastern University
- Shen Yang
- China
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Begum SH, Hung CT, Chen YT, Huang SJ, Wu PH, Han X, Liu SB. Acidity-activity correlation over bimetallic iron-based ZSM-5 catalysts during selective catalytic reduction of NO by NH3. ACTA ACUST UNITED AC 2016. [DOI: 10.1016/j.molcata.2016.07.036] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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