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Effects of ZrO2 on the Performance of CuO-ZnO-Al2O3/HZSM-5 Catalyst for Dimethyl Ether Synthesis from CO2 Hydrogenation
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Yanqiao Zhao[1,2,3] Jixiang Chen[2] Jiyan Zhang[2]
[1]School of Biochemistry and Food Technology, Tianjin University of Commerce, Tianjin 300134, China [2]School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, China [3]Tianjin Key Laboratory of Food Biotechnology, School of Biochemistry and Food Technology, Tianjin University of Commerce, Tianjin 300134, China
国际标准刊号：ISSN 1003-9953
国内统一刊号：CN 21-1484
文章出处:
《天然气化学杂志：英文版》-2007年16卷4期 -389-392页
Journal of Natural Gas Chemistry
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Effects of ZrO2 on the Performance of CuO-ZnO-Al2O3/HZSM-5 Catalyst for Dimethyl Ether Synthesis from CO2 Hydrogenation
Abstract:
A series of composite catalysts were prepared by the wet mixing method, and the mass ratio of CuO-ZnO-Al2O3-ZrO2 component to HZSM-5 zeolite （molar ratio of SiO2 to Al2O3 being 25） was 2：1. The CuO-ZnO-Al2O3-ZrO2 （CuO/ZnO/Al2O3=3/6/1 by weight） component was prepared by a modified ＇two-step＇ co-precipitation method. The effects of ZrO2 on the performance of CuO-ZnO-Al2O3/HZSMo5 catalyst for dimethyl ether synthesis from CO2 hydrogenation were investigated. It was found that ZrO2 improved the properties of CuO-ZnO-Al2O3/HZSM-5 as a structural promoter.[著者文摘]
Key words:
CuO-ZnO-Al2O3/HZSM-5 catalyst; CO2 hydrogenation; dimethyl ether; zirconia
收稿日期: 2007-03-07
修订日期: 2007-04-28
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