Influence of SiO2/Al2O3 Ratio in HMCM-22 on Catalytic Performance of Cu-ZnO-Al2O3/HMCM-22 for Synthesis of Dimethyl Ether

Chinese Journal of Catalysis ›› 2008, Vol. 29 ›› Issue (9): 945-949.

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Influence of SiO2/Al2O3 Ratio in HMCM-22 on Catalytic Performance of Cu-ZnO-Al2O3/HMCM-22 for Synthesis of Dimethyl Ether

MAO Dongsen1*, XIA Jianchao2, ZHANG Bin2, CHEN Qingling2, LU Guanzhong1

1 Research Institute of Applied Catalysis, Department of Chemical Engineering, Shanghai Institute of Technology, Shanghai 200235, China; 2 Shanghai Research Institute of Petrochemical Technology, SINOPEC, Shanghai 201208, China

Received:2008-09-25 Online:2008-09-25 Published:2012-07-19

Abstract

Abstract: The dimethyl ether (DME) selectivity over Cu-ZnO-Al2O3/HMCM-22 bifunction al catalyst for the synthesis of DME from syngas was enhanced with the increase of SiO2/Al2O3 ratios in HMCM-22 zeolite. The bifunction al c atalyst containing high silica content in HMCM-22 zeolite exhibited high activi ty, selectivity, and stability.

Key words: copper, zinc oxide, alumina, HMCM-22 zeolite, bifunctional catalyst, syngas, dimethyl ether

MAO Dongsen*;XIA Jianchao;ZHANG Bin;CHEN Qingling;LU Guanzhong. Influence of SiO2/Al2O3 Ratio in HMCM-22 on Catalytic Performance of Cu-ZnO-Al2O3/HMCM-22 for Synthesis of Dimethyl Ether[J]. Chinese Journal of Catalysis, 2008, 29(9): 945-949.

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Influence of SiO2/Al2O3 Ratio in HMCM-22 on Catalytic Performance of Cu-ZnO-Al2O3/HMCM-22 for Synthesis of Dimethyl Ether

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