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New process of low-temperature methanol synthesis from CO/CO_2/H_2 based on dual-catalysis

New process of low-temperature methanol synthesis from CO/CO_2/H_2 based on dual-catalysis
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摘要 A new process of low-temperature methanol synthesis from CO/CO2/H2 based on dual-catalysis has been developed. Some alcohols, especially 2-alcohol, were found to have high catalytic promoting effect on the synthesis of methanol from CO hydrogenation. At 443 K and 5 MPa, the synthesis of methanol could process high effectively, resulting from the synergic catalysis of Cu/ZnO solid catalyst and 2-alcohol solvent catalyst. The primary results showed that when 2-butanol was used as reaction solvent, the one-pass average yield and the selectivity of methanol, in 40 h continuous reaction at temperature as low as 443 K and 5 MPa, were high up to 46.51% and 98.94% respectively. The catalytic activity was stable and the reaction temperature was 80 K or so lower than that in current industry synthesis process. This new process hopefully will become a practical method for methanol synthesis at low temperature. A new process of low-temperature methanol synthesis from CO/CO2/H2 based on dual-catalysis has been developed. Some alcohols, especially 2-alcohol, were found to have high catalytic promoting effect on the synthesis of methanol from CO hydrogenation. At 443 K and 5 MPa, the synthesis of methanol could process high effectively, resulting from the synergic catalysis of Cu/ZnO solid catalyst and 2-alcohol solvent catalyst. The primary results showed that when 2-butanol was used as reaction solvent, the one-pass average yield and the selectivity of methanol, in 40 h continuous reaction at temperature as low as 443 K and 5 MPa, were high up to 46.51% and 98.94% respectively. The catalytic activity was stable and the reaction temperature was 80 K or so lower than that in current industry synthesis process. This new process hopefully will become a practical method for methanol synthesis at low temperature.
出处 《Science China Chemistry》 SCIE EI CAS 2002年第1期106-112,共7页 中国科学(化学英文版)
关键词 dual-catalysis METHANOL LOW-TEMPERATURE SYNTHESIS new process. dual-catalysis, methanol, low-temperature synthesis, new process.
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参考文献1

  • 1Fan,L.Sakaiya, Y, Fujimoto, K.Low-temperature methanol synthesis from carbon dioxide and hydrogen via formic ester, Appl[].Catalysis.1999

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