Graphene oxide promoted copper-based methanol synthesis catalyst and preparation method thereof

Abstract

The invention discloses a graphene oxide promoted copper-based methanol synthesis catalyst. The catalyst is composed of Cu, ZnO, Al2O3 and graphene oxide (GO). The catalyst is composed of, by mass, 45-65% of Cu, 25-45% of ZnO, 5-10% of Al2O3, and 5-15% of GO. The invention also discloses a preparation method of the catalyst. The catalyst provided by the invention has the advantages of high and stable activity, and low operation temperature. With the catalyst, CO2 conversion rate and methanol yield are both substantially improved.

Description

technical field

[0001] The invention belongs to the field of catalyst preparation, and in particular relates to a graphene oxide-promoted copper-based methanol synthesis catalyst and a preparation method thereof. Background technique

[0002] With the rapid development of industrial production, the content of carbon dioxide in the atmosphere is increasing year by year, which leads to increasingly serious environmental pollution and greenhouse effect. Therefore, how to comprehensively utilize carbon dioxide has attracted more and more attention from all over the world. Synthesis of methanol from carbon dioxide hydrogenation can not only solve the problem of carbon dioxide waste gas utilization, but also develop a new way to produce methanol. This reaction has also become a research hotspot in the field of heterogeneous catalysis. However, due to the inertness of carbon dioxide, it is difficult to be activated. Therefore, the key to this research is to find a suitable catalyst...