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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Liao, Zhuwei Chen, Zhuqi Khan, Aimal Liu, Yong Ifthikar, Jerosha Jawad, Ali |
| Description | Author Affiliation: Khan A ( Key laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China); Liao Z ( School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China.); Liu Y ( School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China.); Jawad A ( School of Environmental Science and Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China.); Ifthikar J ( Key laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China.); Chen Z ( Key laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key laboratory of Material Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, PR China) |
| Abstract | The development of transition metal based heterogeneous catalysts with efficient reactivity and intensive stability is of great demand in peroxymonosulfate based AOPs in water treatment. Herein, we present a novel approach of creating stable and effective nano-rod catalyst of CuCo@MnO with tetragonal structure. A remarkable synergetic effect was found between bi-metallic oxides of Cu and Co: 0.5%Cu-2%Co-MnO can efficiently degrade 100% of 30ppm phenol, while 0.5%Cu@MnO or 2%Co@MnO alone is apparently sluggish for the degradation of organic contaminants. The nanocatalyst retained good stability in recycling tests, during which little leaching of Co and Cu ions can be detected and crystallinity of support -MnO remained unchanged. Mechanism study indicated that SO and OH are accounted to participate the degradation, and the generation of radicals is originated from the interaction of CuCo@MnO and PMS through metal site with peroxo species bond. The redox cycle among the active metals (M â M â M ) and Cu enhanced generation of Co(II)-OH complex are critical for the remarkable performance in CuCo@MnO /PMS system. Both the synergetic acceleration of catalyst activity and instinct mechanism are highly suggestive to the design of heterogeneous catalysts for the degradation of organic contaminants in PMS based advanced oxidation processes. |
| ISSN | 03043894 |
| Journal | Journal of Hazardous Materials |
| Volume Number | 329 |
| e-ISSN | 18733336 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2017-05-05 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Pollution Waste Management and Disposal Health, Toxicology and Mutagenesis Environmental Engineering |
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