Full metadata record
DC Field | Value | Language |
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dc.contributor.author | Du, Jiangkun | - |
dc.contributor.author | Bao, Jianguo | - |
dc.contributor.author | Fu, Xiaoyan | - |
dc.contributor.author | Lu, Chenghang | - |
dc.contributor.author | Kim, Sang Hoon | - |
dc.date.accessioned | 2024-01-20T04:04:18Z | - |
dc.date.available | 2024-01-20T04:04:18Z | - |
dc.date.created | 2021-09-05 | - |
dc.date.issued | 2016-05-05 | - |
dc.identifier.issn | 0926-3373 | - |
dc.identifier.uri | https://pubs.kist.re.kr/handle/201004/124074 | - |
dc.description.abstract | A mesoporous sulfur-modified iron oxide (MS-Fe) was prepared as a heterogeneous H2O2 catalyst for degradation of BPA. The physico-chemical properties of MS-Fe and bare M-Fe were characterized by BET surface area measurement, SEM, XRD, MIR and XPS. Both M-Fe and MS-Fe composites appeared as cubic microparticles with abundant pores and cracks as well as large surface area. As depicted by XRD, EDX and XPS, M-Fe is mainly consisted of hematite while MS-Fe is a kind of S-doped iron oxide with about 5-6% of sulfur element in terms of atomic ratio. In contrast to the poor catalytic activity of bare M-Fe, the MS Fe composites showed greatly improved efficiencies for H2O2 activation for BPA degradation. The high catalytic activity of this new Fenton-like catalyst can be obtained at different initial pH in range of 3.0-9.0. The time evolution of degradation of BPA followed pseudo-first-order kinetics, and the first-order rate constants showed a linear relationship with parameters of initial pH, catalyst dosage and concentration of BPA. However, the H2O2 dosage showed a dual effect on BPA degradation because excessive H2O2 addition lead to scavenging of hydroxyl radicals ((OH)-O-center dot). The investigation of working mechanisms of MS Fe suggested a synergistic effect of homogeneous and heterogeneous degradation reaction, wherein a strong acidic environment, abundant surface-bonded hydroxyl group and electron-mediating effect of sulfur all contributed to fast activation of H2O2. Overall, this new material overcomes the limitation of narrow working pH range and shows a fast oxidation of BPA with a low H2O2 and catalyst dosage, would have a good potential for environmental application. (C) 2015 Elsevier B.V. All rights reserved. | - |
dc.language | English | - |
dc.publisher | ELSEVIER SCIENCE BV | - |
dc.subject | HYDROGEN-PEROXIDE | - |
dc.subject | OXIDATIVE-DEGRADATION | - |
dc.subject | EFFICIENT DEGRADATION | - |
dc.subject | DOPED ALPHA-FE2O3 | - |
dc.subject | DECOMPOSITION | - |
dc.subject | MECHANISM | - |
dc.subject | NANOPARTICLES | - |
dc.subject | CARBON | - |
dc.subject | WATER | - |
dc.subject | IONS | - |
dc.title | Mesoporous sulfur-modified iron oxide as an effective Fenton-like catalyst for degradation of bisphenol A | - |
dc.type | Article | - |
dc.identifier.doi | 10.1016/j.apcatb.2015.11.015 | - |
dc.description.journalClass | 1 | - |
dc.identifier.bibliographicCitation | APPLIED CATALYSIS B-ENVIRONMENTAL, v.184, pp.132 - 141 | - |
dc.citation.title | APPLIED CATALYSIS B-ENVIRONMENTAL | - |
dc.citation.volume | 184 | - |
dc.citation.startPage | 132 | - |
dc.citation.endPage | 141 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.identifier.wosid | 000369205600014 | - |
dc.identifier.scopusid | 2-s2.0-84948127929 | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical | - |
dc.relation.journalWebOfScienceCategory | Engineering, Environmental | - |
dc.relation.journalWebOfScienceCategory | Engineering, Chemical | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Engineering | - |
dc.type.docType | Article | - |
dc.subject.keywordPlus | HYDROGEN-PEROXIDE | - |
dc.subject.keywordPlus | OXIDATIVE-DEGRADATION | - |
dc.subject.keywordPlus | EFFICIENT DEGRADATION | - |
dc.subject.keywordPlus | DOPED ALPHA-FE2O3 | - |
dc.subject.keywordPlus | DECOMPOSITION | - |
dc.subject.keywordPlus | MECHANISM | - |
dc.subject.keywordPlus | NANOPARTICLES | - |
dc.subject.keywordPlus | CARBON | - |
dc.subject.keywordPlus | WATER | - |
dc.subject.keywordPlus | IONS | - |
dc.subject.keywordAuthor | Mesoporous sulfur-modified iron oxide | - |
dc.subject.keywordAuthor | Bisphenol A | - |
dc.subject.keywordAuthor | Fenton-like oxidation | - |
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