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Surface modification of sewage sludge derived carbonaceous catalyst for m-cresol catalytic wet peroxide oxidation and degradation mechanism
Yu, Yang1,2; Wei, Huangzhao1; Yu, Li1,2; Zhang, Tong1,2; Wang, Sen1,2; Li, Xuning1,2,3,4; Wang, Junhu1,3,4; Sun, Chenglin1
Source PublicationRSC ADVANCES
2015
DOI10.1039/c5ra00858a
Volume5Issue:52Pages:41867-41876
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Multidisciplinary
WOS Research AreaChemistry
WOS KeywordFENTON-LIKE DEGRADATION ; POROUS CARBON ; 1-DIAZO-2-NAPHTHOL-4-SULFONIC ACID ; COMPOSITE ADSORBENTS ; GRAPHENE OXIDE ; ACETIC-ACID ; IN-SITU ; TEMPERATURE ; ADSORPTION ; PYROLYSIS
AbstractSewage sludge derived carbonaceous materials (SWs) treated with different kinds of acid were used as the catalysts for catalytic wet peroxide oxidation (CWPO) of m-cresol in batch reactor and continuous reactor, respectively. The results showed that SW treated with nitric acid (HNO3-SW) and sulfuric acid (H2SO4-SW) exhibited high catalytic activity in a CWPO reaction. The conversion of m-cresol reached 100%, after CWPO reaction for 3 h at an initial pH of 7 and a temperature of 25 degrees C over a H2SO4-SW catalyst. The elements content and chemical state of SWs treated with different kinds of acids were measured by XRF, XPS and Mossbauer spectra, the results implied that ferric iron and surface functional groups might play the main role in m-cresol degradation. The intermediate oxidation products were identified by in situ NMR, GC-MS, IC and HRMS analyses. Based on a free-radical reaction mechanism, a m-cresol oxidation pathway in CWPO was proposed.
Language英语
WOS IDWOS:000354445900065
Citation statistics
Cited Times:13[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/146234
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Dalian Natl Lab Clean Energy, Dalian 116023, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Mossbauer Effect Data Ctr, Dalian 116023, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, Lab Catalysts & New Mat Aerosp, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Yu, Yang,Wei, Huangzhao,Yu, Li,et al. Surface modification of sewage sludge derived carbonaceous catalyst for m-cresol catalytic wet peroxide oxidation and degradation mechanism[J]. RSC ADVANCES,2015,5(52):41867-41876.
APA Yu, Yang.,Wei, Huangzhao.,Yu, Li.,Zhang, Tong.,Wang, Sen.,...&Sun, Chenglin.(2015).Surface modification of sewage sludge derived carbonaceous catalyst for m-cresol catalytic wet peroxide oxidation and degradation mechanism.RSC ADVANCES,5(52),41867-41876.
MLA Yu, Yang,et al."Surface modification of sewage sludge derived carbonaceous catalyst for m-cresol catalytic wet peroxide oxidation and degradation mechanism".RSC ADVANCES 5.52(2015):41867-41876.
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