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231226s2022 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2022.349
|2 doi
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|a pubmed25n1162.xml
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|a (DE-627)NLM348916124
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|a (NLM)36378169
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Chen, Hongliang
|e verfasserin
|4 aut
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|a Novel construction of the catalyst from red mud by the pyrolysis reduction of glucose for the peroxymonosulfate-induced degradation of m-cresol
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 18.11.2022
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|a Date Revised 18.11.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a Red mud of low cost is regarded as a promising alternative to heterogeneous catalysts for activating peroxymonosulfate (PMS) to degrade m-cresol. Improper valence states of metal oxides and coated active substances in red mud greatly hampered its wide application. To solve this problem, the modified red mud (WRMG/700) was prepared by the pyrolysis reduction of glucose in N2 atmosphere. X-ray diffraction (XRD), scanning electron microscopy (SEM) and X-ray photoelectron spectrum (XPS) analysis confirmed the production of Fe3O4, MnO and NiO in red mud and their gathering on the surface of particles. WRMG/700 exhibited the excellent performance toward PMS activation for the m-cresol degradation with 99.02% degradation efficiency and a pH-independent catalytic activity between initial pH 3-8. The removal efficiency of COD increased with the reaction time under the optimized degradation conditions. The free radical scavenging experiments and electron paramagnetic resonance (EPR) test confirmed 1O2 played a dominant role during m-cresol degradation in the WRMG/700/PMS system, implying m-cresol degradation was a non-radical oxidation process. Accordingly, the possible reaction mechanism was proposed. WRMG/700 retained its activation performance even after five recycles. This study showed a low cost and simple operation process for m-cresol elimination
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|a Journal Article
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|a peroxymonosulfate
|2 NLM
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|a 22047-43-4
|2 NLM
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| 650 |
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|a 3-cresol
|2 NLM
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| 650 |
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|a GGO4Y809LO
|2 NLM
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| 650 |
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|a Glucose
|2 NLM
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|a IY9XDZ35W2
|2 NLM
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| 650 |
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|a Peroxides
|2 NLM
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| 700 |
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|a Li, Longjiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yutao
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 86(2022), 9 vom: 15. Nov., Seite 2106-2123
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnas
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| 773 |
1 |
8 |
|g volume:86
|g year:2022
|g number:9
|g day:15
|g month:11
|g pages:2106-2123
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|u http://dx.doi.org/10.2166/wst.2022.349
|3 Volltext
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