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Optimization of preparation conditions and improvement of stability of Cu/ZnO-based multicomponent catalysts for methanol synthesis from CO2 and H2 |
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| Authors: | Jingang Wu Shengcheng Luo Jamil Toyir Masahiro Saito Masasmi Takeuchi Taiki Watanabe |
| Affiliation: | a Research Institute for Innovative Technology for the Earth (RITE, NEDO Industrial Technology Researcher), 16-3 Onogawa, Tsukuba-shi Ibaraki 305 Japan b National Institute for Resources and Environment (NIRE), 16-3 Onogawa, Tsukuba-shi Ibaraki 305 Japan c RITE, 9-2 Kizukawadai, Kizu-cho, Soraku-gun Kyoto 619-02 Japan |
| Abstract: | The operation conditions for preparing a Cu/ZnO-based multicomponent catalyst by a coprecipitation method were optimized. The temperature during coprecipitation should be less than 313 K, and the removal of Na from the catalyst by washing the precipitates is most important. Furthermore, a small amount of silica added to the catalyst greatly improved its long-term stability in methanol synthesis from CO2 and H2. |
| Keywords: | CO2 hydrogenation into methanol Cu/ZnO-based catalyst Preparation conditions Stability improvement |
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