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题名: Inert Can Be Advantageous: Advisable Reconstruction and Application of Palladium Chloride for the Preferential Oxidation of the Hydrogen Impurity in Carbon Monoxide Streams
作者: Qiao, LY; Li, QH; Zhou, ZF; Si, R; Yao, YE
刊名: CHEMCATCHEM
出版日期: 2016
卷号: 8, 期号:11, 页码:1909-1914
关键词: C1 building blocks ; hydrogen ; oxidation ; palladium ; selectivity
DOI: 10.1002/cctc.201600301
通讯作者: Yao, YE (reprint author), Chinese Acad Sci, Fujian Inst Res Struct Matter, State Key Lab Struct Chem, Key Lab Coal Ethylene Glycol & Its Related Techno, Yangqiao West Rd 155, Fuzhou 350002, Fujian, Peoples R China.
文章类型: 期刊论文
英文摘要: Preferential oxidation of the H-2 impurity in CO streams is crucial for the catalytic conversion of CO into ethylene glycol. It is uncertain as to whether H-2 can overthrow the dominance of CO and finally lead the reaction. Not only is this a typical research issue, but it is also extremely critical for practical applications. So far, no catalyst has shown selectivity higher than 50% owing to competitive adsorption of CO. In this work, we report a PdClx-based catalyst that can readily overcome the challenge mentioned above. Over this catalyst, the selectivity of H-2 oxidation is promoted by more than 40% relative to that over the conventional Pd/Al2O3 catalyst and reaches a value of 87%. The turnover frequency of undesired CO oxidation is inhibited by at least one order of magnitude. We found that the reconstructed palladium chloride was highly selective to this reaction by facile inhibition of the adsorption and oxidation of CO.
收录类别: SCI
语种: 英语
WOS记录号: WOS:000379533200007
ISSN号: 1867-3880
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinap.ac.cn/handle/331007/26539
Appears in Collections:中科院上海应用物理研究所2011-2017年_期刊论文

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