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题名: Selective oxidations on recoverable catalysts assembled in emulsions
作者: Li, C;  Gao, JB;  Jiang, ZX;  Wang, SG;  Lu, HY;  Yang, YX;  Jing, F
通讯作者: 李灿
关键词: recoverable catalysts ;  assembling ;  emulsion ;  selective oxidation ;  sulfur-containing molecules ;  alcohols ;  olefins
刊名: TOPICS IN CATALYSIS
发表日期: 2005-06-01
DOI: 10.1007/s11244-005-3821-5
卷: 35, 期:1-2, 页:169-175
收录类别: SCI
文章类型: Article
部门归属: 5
项目归属: 503
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Applied ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: Catalysts assembled in emulsions are found to be potentially recoverable and efficient for a number of catalytic reactions. The catalysts composed of polyoxometalate anions and quaternary ammonium cations have been designed and synthesized according to the catalytic reactions and by optimizing the structures of cations and anions. The catalysts act essentially as surfactants, which are uniformly distributed in the interface of the emulsion droplets, and accordingly behave like homogeneous catalysts. The catalysts show remarkable selectivity and activity in the oxidation of sulfur-containing molecules to sulfones in diesel and the selective oxidation of alcohols to ketones, using H2O2 as oxidant. For an example, the catalyst demonstrated over 96% efficiency of H2O2 and similar to 100% selectivity to sulfones for the selective oxidation of sulfur-containing molecules in real diesel. Moreover, the catalysts can be separated and recycled by a simple demulsification and re-emulsification.
关键词[WOS]: PHASE-TRANSFER CATALYSIS ;  ORGANIC-SYNTHESIS ;  CARBON-DIOXIDE ;  LEWIS-ACID ;  MICELLAR CATALYSIS ;  HYDROGEN-PEROXIDE ;  WATER ;  DESULFURIZATION ;  HYDROFORMYLATION ;  MICROEMULSIONS
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000231311300015
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/93023
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:
Li, C,Gao, JB,Jiang, ZX,et al. Selective oxidations on recoverable catalysts assembled in emulsions[J]. TOPICS IN CATALYSIS,2005,35(1-2):169-175.
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