Synthesis of DME from CO2/H2 gas mixture

被引：115
|
作者：
Naika, Sajo P. [1 ]
Ryu, Taegong [2 ]
Bui, Vy [2 ]
Miller, Jan D. [2 ]
Drinnan, Nicholas B. [3 ]
Zmierczak, Wlodzimierz [2 ]
机构：
[1] Western Res Inst, Laramie, WY 82072 USA
[2] Univ Utah, Coll Mines & Earth Sci, Dept Met Engn, Salt Lake City, UT 84112 USA
[3] Ambre Energy, Brisbane, Qld 4000, Australia
来源：
CHEMICAL ENGINEERING JOURNAL | 2011年 / 167卷 / 01期
关键词：
Dimethyl ether; Carbon dioxide; Methanol synthesis catalyst; Hydrotalcite; DME synthesis catalyst; HZSM-5; gamma-Al2O3; Slurry reactor; Fixed-bed reactor; DIMETHYL-ETHER SYNTHESIS; METHANOL SYNTHESIS; CO2; HYDROGENATION; CARBON-DIOXIDE; CATALYST;
D O I：
10.1016/j.cej.2010.12.087
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The activity and durability of two hybrid bifunctional dimethyl ether (DME) synthesis catalysts: 6CuO-3ZnO-Al2O3/gamma-Al2O3 and 6CuO-3ZnO-1Al(2)O(3)/HZSM-5, have been evaluated for the conversion of CO2/H-2 to DME at 260 degrees C, 5 MPa, and gas per hourly space velocity (GHSV) of 3000 mLg(cat)(-1) h(-1) in fixed-bed and slurry reactors. The catalyst 6CuO-3ZnO-Al2O3/gamma-Al2O3 mostly promoted reverse-water-gas-shift (RWGS) reaction with very low selectivity to DME, and a low conversion of CO2. The other catalyst, 6CuO-3ZnO-1Al(2)O(3)/HZSM-5, showed much higher conversion of CO2 with higher selectivity to DME in both, fixed-bed and slurry reactors. (c) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：362 / 368
页数：7
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