2001•Journal of Ningxia UniversityRequires access

Studies on CuO-ZnO/HZSM-5 catalyst for dimethyl ether synthesis from CO_2/H_2

Zhijian Liu

Abstract

The studies on CuO-ZnO/HZSM-5 catalyst for dimethyl ether synthesis from CO 2/H 2 have been carried out. The experiment results show that CuO-ZnO is the hydrogenation component in the CuO-ZnO/HZSM-5 catalyst, HZSM-5 is the dewater component, the intensive connection between two components mentioned above is required so as to make fully use of the harmony role of two components,there exist appropriate ratio of CuO-ZnO to HZSM-5,and the ratio of 9∶1(by weight) is the optimal. Both CuO-ZnO/HZSM-5 reduction performance and adsorption performance have been investigated by means of DTA,XRD,TPR,H 2-TPD,CO 2-TPD,BET.

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Key concepts: Dimethyl ether, Catalysis, Materials science, Adsorption, Chemical engineering, Chemistry, Physical chemistry, Organic chemistry