期刊
CATALYSIS COMMUNICATIONS
卷 69, 期 -, 页码 104-108出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2015.06.001
关键词
Methanethiol; Methanol; Carbon disulfide; KW/Al2O3
资金
- project of the Science and Technology Department of Fujian Province [2012H6020]
- Science and Technology Department of Fujian Province
- Fujian Xiamen University Catalyst Co., Ltd. [2012H6020]
A series of KW/-gamma-Al2O3 catalysts with varying K/W mole ratio were prepared for the synthesis of methanethiol from carbon disulfide and methanol, and characterized by N-2 adsorption-desorption, XRD and NH3/CO2-TPD techniques. Experimental results showed that the acidic and basic property of the catalyst plays a key role on the catalytic performance. It is shown that the conversion of CH3OH is chiefly related to the acid sites, while the base sites of catalysts are favorable for the selectivity toward CH3SH and hydrocarbons, but the strong base sites will restrain the selectivity toward CH3SH. When the K/W mole ratio is K/W = 2/1 and the reaction temperature is at 603 K, the conversion of CH3OH and the selectivity toward CH3SH are 98.3 and 56.2%, respectively. (C) 2015 Elsevier B.V. All rights reserved.
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