期刊
FUEL
卷 97, 期 -, 页码 428-434出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.fuel.2012.01.041
关键词
Water Gas Shift reaction; Commercial non-sulfide CoMo catalyst; Pressure; ELCOGAS
资金
- Ministry of Science and Innovation of Spain
- Regional Government of Castilla-La Mancha [PSE 2-2005]
- ELCOGAS S.A.
High pressure Water Gas Shift performance over a commercial non-sulfide CoMo catalyst was studied in a bench scale set-up, using an industrial coal-derived syngas feed. CO conversion showed an important dependence on both reaction temperature and space velocity but remained almost constant with increasing H2Ov/CO molar ratios. Hydrogen selectivity showed the same trend although it was enhanced with increasing H2Ov/CO molar ratios. The effect of the activation method on CO conversion was also studied. Despite non-sulfide CoMo catalysts have been widely considered as non-active for WGS reaction, a surprisingly high CO conversion comparable to that attained by the sulfide one, was displayed by this catalyst in the range of conditions studied. However, non-sulfide CoMo catalyst still resulted in lower conversion values if compared with pre-sulfide one. (C) 2012 Elsevier Ltd. All rights reserved.
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