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SiO2-supported Au-Ni bimetallic catalyst for the selective hydrogenation of acetylene
Chai, Mengqian1,2; Liu, Xiaoyan1; Li, Lin1; Pei, Guangxian1,2; Ren, Yujing1,2; Su, Yang1; Cheng, Hongkui3; Wang, Aiqin1; Zhang, Tao1
KeywordGold Nickel Bimetallic Catalyst Synergistic Effect Acetylene Hydrogenation
Source PublicationCHINESE JOURNAL OF CATALYSIS
2017-08-01
DOI10.1016/S1872-2067(17)62869-9
Volume38Issue:8Pages:1338-1346
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
WOS SubjectChemistry, Applied ; Chemistry, Physical ; Engineering, Chemical
WOS Research AreaChemistry ; Engineering
WOS KeywordETHENE-RICH STREAMS ; CARBON-MONOXIDE ; ALLOY CATALYSTS ; CHEMOSELECTIVE HYDROGENATION ; PALLADIUM CATALYSTS ; HIGHLY EFFICIENT ; EXCESS ETHYLENE ; CO OXIDATION ; GOLD ; PD
AbstractSupported Au catalysts have been reported to exhibit high ethylene selectivity in the hydrogenation of acetylene, but the conversion is relatively low. Adding a second metal to Au has proven to be a promising approach to enhance its catalytic performance in acetylene hydrogenation. In this work, SiO2-supported Au-Ni bimetallic catalysts were synthesized and investigated in the selective hydrogenation of acetylene. The Au-Ni bimetallic catalysts exhibited much higher catalytic performance than that of the corresponding monometallic Au or Ni catalysts. By tuning the reduction temperature and/or Ni loading, we obtained an Au-Ni/SiO2 catalyst with optimal performance. The results of transmission electron microscopy imaging revealed that the Au-Ni bimetallic particles were highly dispersed on the SiO2 support. Meanwhile, analysis of the bimetallic catalyst by energy-dispersive X-ray spectroscopy, high-resolution transmission electron microscopy, and in situ diffuse reflectance infrared Fourier transform spectroscopy demonstrated the formation of Au-Ni alloy, which contributed to the synergistic effect between Au and Ni in the hydrogenation of acetylene. (C) 2017, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
Language英语
WOS IDWOS:000408600200006
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/149854
Collection中国科学院大连化学物理研究所
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chia Tai Energy Mat Dalian Co Ltd, Dalian 116021, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Chai, Mengqian,Liu, Xiaoyan,Li, Lin,et al. SiO2-supported Au-Ni bimetallic catalyst for the selective hydrogenation of acetylene[J]. CHINESE JOURNAL OF CATALYSIS,2017,38(8):1338-1346.
APA Chai, Mengqian.,Liu, Xiaoyan.,Li, Lin.,Pei, Guangxian.,Ren, Yujing.,...&Zhang, Tao.(2017).SiO2-supported Au-Ni bimetallic catalyst for the selective hydrogenation of acetylene.CHINESE JOURNAL OF CATALYSIS,38(8),1338-1346.
MLA Chai, Mengqian,et al."SiO2-supported Au-Ni bimetallic catalyst for the selective hydrogenation of acetylene".CHINESE JOURNAL OF CATALYSIS 38.8(2017):1338-1346.
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