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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
刊名RSC ADVANCES
2015
DOI10.1039/c5ra00858a
5期:52页:41867-41876
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
类目[WOS]Chemistry, Multidisciplinary
研究领域[WOS]Chemistry
关键词[WOS]FENTON-LIKE DEGRADATION ; POROUS CARBON ; 1-DIAZO-2-NAPHTHOL-4-SULFONIC ACID ; COMPOSITE ADSORBENTS ; GRAPHENE OXIDE ; ACETIC-ACID ; IN-SITU ; TEMPERATURE ; ADSORPTION ; PYROLYSIS
英文摘要Sewage 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.
语种英语
WOS记录号WOS:000354445900065
引用统计
被引频次:8[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/146234
专题中国科学院大连化学物理研究所
作者单位1.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
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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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