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Preparation of Cu/ZrO2 catalysts for methanol synthesis from CO2/H2 |
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| Authors: | Xinmei LIU Shaofen BAI Huidong ZHUANG Zifeng YAN |
| Affiliation: | State Key Laboratory for Heavy Oil Processing, Key Laboratory of Catalysis (China National Petroleum Corporation), China University of Petroleum, Qingdao 266555, China |
| Abstract: | Cu/ZrO2 catalysts for methanol synthesis from CO2/H2 were respectively prepared by deposition coprecipitation (DP) and solid state reaction (SR) methods. There is an intimate interaction between copper and zirconia, which strongly affects the reduction property and catalytic performance of the catalysts. The stronger the interaction, the lower the reduction temperature and the better the performance of the catalysts. Surface area, pore structure and crystal structure of the catalysts are mainly controlled by preparation methods and alkalinity of synthesis system. The conversion of CO2 and selectivity of methanol are higher for DP catalysts than for SP catalysts. |
| Keywords: | Cu/ZrO2 methanol synthesis deposition coprecipitation solid state reaction CO2/H2 |
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