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Catalysis for One‐step Synthesis of Dimethyl Ether from Hydrogenation of CO
Author(s) -
Zheng XiaoMing,
Fei JinHua,
Hou ZhaoYin
Publication year - 2001
Publication title -
chinese journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.28
H-Index - 41
eISSN - 1614-7065
pISSN - 1001-604X
DOI - 10.1002/cjoc.20010190112
Subject(s) - dimethyl ether , chemistry , catalysis , yield (engineering) , selectivity , ether , nuclear chemistry , inorganic chemistry , medicinal chemistry , organic chemistry , metallurgy , materials science
In this paper, a new catalyst system Cu‐Mn‐(M)/γ‐Al 2 O 3 was developed for the directly synthesis dimethyl ether (DME) from synthesis gas in a fixed‐bed reactor. The catalysts with different n (Cu) : n (Mn) ratios, several promoter M (M is one of Zn, Cr, W, Mo, Fe, Co or Ni) were prepared and tested. The results showed the catalysts have a high conversion of CO and a high DME selectivity. The DME yield in tail gas reached 46.0% (at 63.27% conversion of CO) at 2.0 MPa, 275°C, 1500 h −1 with the Cu 2 Mn 4 Zn/γ‐Al 2 O 3 catalyst.
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