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题名: Selective surface modification of activated carbon for enhancing the catalytic performance in hydrogen peroxide production by hydroxylamine oxidation
作者: Song, Wei1;  Li, Yong1;  Guo, Xiaohui1;  Li, Juan1;  Huang, Xiumin1;  Shen, Wenjie1
通讯作者: 申文杰
关键词: Hydrogen peroxide ;  Activated carbon ;  Surface chemistry ;  Selective modification ;  KMnO(4) oxidation
刊名: JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL
发表日期: 2010-08-03
DOI: 10.1016/j.molcata.2010.05.022
卷: 328, 期:1-2, 页:53-59
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 501
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The textural structure and the surface property of activated carbon were selectively modified by KMnO(4) oxidation. The activated carbon treated by KMnO(4) oxidation in an acidic solution showed greatly enhanced H(2)O(2) production by hydroxylamine oxidation clue to the creation of more surface quinoid species, and the yield of hydrogen peroxide approached 78% (0.66 wt.%). Structure and surface analyses revealed that KMnO(4) oxidation in the acidic solution produced more phenolic but less carboxylic groups on the activated carbon, confirming the crucial role of the quinoid groups. It was further proposed that the quinoid groups serving as electron acceptors and redox mediators involved in the formation of H(2)O(2) through a redox cycle. (C) 2010 Elsevier B.V. All rights reserved.
关键词[WOS]: IN-SITU GENERATION ;  NONAQUEOUS MEDIUM ;  REDUCTION ;  CHEMISTRY ;  OXYGEN ;  DIOXYGEN ;  SALT ;  O-2
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000281616400006
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/103359
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China

Recommended Citation:
Song, Wei,Li, Yong,Guo, Xiaohui,et al. Selective surface modification of activated carbon for enhancing the catalytic performance in hydrogen peroxide production by hydroxylamine oxidation[J]. JOURNAL OF MOLECULAR CATALYSIS A-CHEMICAL,2010,328(1-2):53-59.
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