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Immobilization of highly active Pd nano-catalysts on functionalized mesoporous silica supports using mercapto groups as anchoring sites and their catalytic performance for phenol hydrogenation
Zhang, Jiaxi1; Huang, Gaowei1; Zhang, Cheng1,2; He, Qunhua2; Huang, Chao1; Yang, Xu3; Song, Huiyu1; Liang, Zhenxing1; Du, Li1,4; Liao, Shijun1,4
2013-08-01
发表期刊CHINESE JOURNAL OF CATALYSIS
卷号34期号:8页码:1519-1526
摘要Highly active and highly dispersed Pd-loaded nano-catalysts using mercapto group (-SH) functionalized mesoporous silica supports, namely, Pd-SH-MCM-41 and Pd-SH-SBA-15, were prepared using an impregnation-reduction approach. The surface -SH groups are believed to facilitate the high distribution and immobilization of the Pd nanoparticles within the silica supports through an anchoring interaction. The catalysts featured long-range ordered structures, uniform pore size, high surface area, and highly dispersed Pd nanoparticles as characterized by X-ray diffraction, N-2 adsorption-desorption, and transmission electron microscopy. The catalysts showed activity five times higher than that of commercial Pd/C catalyst and three times higher than those of Pd/MCM-41 and Pd/SBA-15 catalysts. Within 1 h of reaction at 80 degrees C and 1.0 MPa, the conversion of phenol attained was greater than 99%, and the selectivity for cyclohexanone was 98%. (C) 2013, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
文章类型Article
关键词Mesoporous Silica Mercapto Group Functionalization Palladium Anchoring Supported Catalyst Phenol Hydrogenation
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/S1872-2067(12)60603-2
研究领域[WOS]Chemistry ; Engineering
关键词[WOS]CYCLOHEXANONE ; SBA-15 ; NANOSPHERES ; ADSORPTION ; LIPASE
收录类别SCI
语种英语
WOS类目Chemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS记录号WOS:000323239600007
引用统计
被引频次:5[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.giec.ac.cn/handle/344007/10040
专题中国科学院广州能源研究所
作者单位1.S China Univ Technol, Sch Chem & Chem Engn, Guangzhou 510640, Guangdong, Peoples R China
2.Guangdong Environm Monitoring Ctr, Guangzhou 510640, Guangdong, Peoples R China
3.Chinese Acad Sci, Key Lab Renewable Energy & Gas Hydrate, Guangzhou Inst Energy Convers, Guangzhou 510640, Guangdong, Peoples R China
4.S China Univ Technol, Sch Chem & Chem Engn, Key Lab Fuel Cell Technol Guangdong Prov, Guangzhou 510640, Guangdong, Peoples R China
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Zhang, Jiaxi,Huang, Gaowei,Zhang, Cheng,et al. Immobilization of highly active Pd nano-catalysts on functionalized mesoporous silica supports using mercapto groups as anchoring sites and their catalytic performance for phenol hydrogenation[J]. CHINESE JOURNAL OF CATALYSIS,2013,34(8):1519-1526.
APA Zhang, Jiaxi.,Huang, Gaowei.,Zhang, Cheng.,He, Qunhua.,Huang, Chao.,...&Liao, Shijun.(2013).Immobilization of highly active Pd nano-catalysts on functionalized mesoporous silica supports using mercapto groups as anchoring sites and their catalytic performance for phenol hydrogenation.CHINESE JOURNAL OF CATALYSIS,34(8),1519-1526.
MLA Zhang, Jiaxi,et al."Immobilization of highly active Pd nano-catalysts on functionalized mesoporous silica supports using mercapto groups as anchoring sites and their catalytic performance for phenol hydrogenation".CHINESE JOURNAL OF CATALYSIS 34.8(2013):1519-1526.
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