期刊
APPLIED CATALYSIS A-GENERAL
卷 399, 期 1-2, 页码 184-190出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apcata.2011.03.055
关键词
Selective hydrogenation; Ethylene yield; Nanocatalyst; Multi-walled carbon nanotube
资金
- RIPI, Tehran, Iran
In this research, a palladium nanocatalyst was synthesised over a multi-walled carbon nanotube (MWCNT) support and then applied for selective hydrogenation of acetylene in an ethylene-richflow stream. This material displayed a very promising selectivity toward ethylene production with increasing temperature, and also suppressed oligomer formation during acetylene hydrogenation. New operating conditions for selective hydrogenation of acetylene in an ethylene-richflow were introduced. This nanocatalyst gave a considerably higher yield, as high as 93%, than that previously obtained for ethylene production. It was postulated that the governing mechanism for acetylene hydrogenation over 0.5 wt.% Pd/MWCNT was hydrogen transfer. Crown Copyright (C) 2011 Published by Elsevier B.V. All rights reserved.
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