Steam Reforming of Dimethyl Ether over Coupled Catalysts of CuO-ZnO-Al2O3-ZrO2 and Solid-acid Catalyst

冯冬梅; 左宜赞; 王德峥; 王金福

doi:10.1016/S1004-9541(09)60034-3

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Steam Reforming of Dimethyl Ether over Coupled Catalysts of CuO-ZnO-Al₂O₃-ZrO₂ and Solid-acid Catalyst

Updated：2026-01-06

- Steam Reforming of Dimethyl Ether over Coupled Catalysts of CuO-ZnO-Al₂O₃-ZrO₂ and Solid-acid Catalyst
- Steam Reforming of Dimethyl Ether over Coupled Catalysts of CuO-ZnO-Al₂O₃-ZrO₂ and Solid-acid Catalyst
- 中国化学工程学报（英文版） 2009年17卷第1期页码：64-71
- Affiliations：
  
  Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology, Department of Chemical Engineering, Tsinghua University,Beijing,China,100084
- Author bio：
- Funds：
  
  Supported by the Ministry of Science and Technology (G1999022408);the National Natural Science Foundation of China(20773075)
- DOI：10.1016/S1004-9541(09)60034-3
  中图分类号：
- 纸质出版：2009
- Accepted：
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冯冬梅, 左宜赞, 王德峥, 等. Steam Reforming of Dimethyl Ether over Coupled Catalysts of CuO-ZnO-Al₂O₃-ZrO₂ and Solid-acid Catalyst[J]. 中国化学工程学报（英文版）, 2009,17(1):64-71. DOI: 10.1016/S1004-9541(09)60034-3.

O
冯冬梅, 左宜赞, 王德峥, 等. Steam Reforming of Dimethyl Ether over Coupled Catalysts of CuO-ZnO-Al₂O₃-ZrO₂ and Solid-acid Catalyst[J]. 中国化学工程学报（英文版）, 2009,17(1):64-71. DOI: 10.1016/S1004-9541(09)60034-3. DOI：

O DOI： 10.1016/S1004-9541(09)60034-3.

摘要

Steam reforming(SR) of dimethyl ether(DME) was investigated for the production of hydrogen for fuel cells.The activity of a series

of solid acids for DME hydrolysis was investigated.The solid acid catalysts were ZSM-5 [Si/Al=25

38 and 50:denoted Z(Si/Al)

]

and acidic alumina(γ-Al

) with an acid strength order that was Z(25)Z(38)Z(50)γ-Al

.Stronger acidity gave higher DME hydrolysis conversion.Physical mixtures containing a CuO-ZnO-Al

-ZrO

catalyst and solid acid catalyst to couple DME hydrolysis and methanol SR were used to examine the acidity effects on DME SR.DME SR activity strongly depended on the activity for DME hydrolysis.Z(25) was the best solid acid catalyst for DME SR and gave a DME conversion90% [T=24℃

n(H

O)/n(DME)=3.5

space velocity=1179 ml·(g cat)

-1

·h

-1

and

=0.1MPa

]

.The influences of the reaction temperature

space velocity and feed molar ratio were studied.Hydrogen production significantly depended on temperature and space velocity.A bifunctional catalyst of CuO-ZnO-Al

-ZrO

catalyst and ZSM-5 gave a high H

production rate and CO

selectivity.

Abstract

Steam reforming(SR) of dimethyl ether(DME) was investigated for the production of hydrogen for fuel cells.The activity of a series of solid acids for DME hydrolysis was investigated.The solid acid catalysts were ZSM-5 [Si/Al=25

38 and 50:denoted Z(Si/Al)

]

and acidic alumina(γ-Al

) with an acid strength order that was Z(25)Z(38)Z(50)γ-Al

.Stronger acidity gave higher DME hydrolysis conversion.Physical mixtures containing a CuO-ZnO-Al

-ZrO

n(H

O)/n(DME)=3.5

space velocity=1179 ml·(g cat)

-1

·h

-1

and

=0.1MPa

]

.The influences of the reaction temperature

space velocity and feed molar ratio were studied.Hydrogen production significantly depended on temperature and space velocity.A bifunctional catalyst of CuO-ZnO-Al

-ZrO

catalyst and ZSM-5 gave a high H

production rate and CO

selectivity.

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