A New Method of Low Temperature Methanol Synthesis |
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Authors: | Bolian Xu Ruiqin Yang Fanzhi Meng Prasert Reubroycharoen Tharapong Vitidsant Yi Zhang Yoshiharu Yoneyama Noritatsu Tsubaki |
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Institution: | (1) School of Chemistry and Chemical Engineering, Nanjing University, 210093 Nanjing, China;(2) School of Biological and Chemical Engineering, Zhejiang University of Science and Technology, 310023 Hangzhou, China;(3) Department of Applied Chemistry, School of Engineering, University of Toyama, Toyama Toyama, 930-8555, Japan;(4) Department of Chemical Technology, Faculty of Science, Chulalongkorn University, Bangkok, Thailand;(5) Research Center of the Ministry of Education for High Gravity Engineering and Technology, Beijing University of Chemical Technology, 100029 Beijing, People’s Republic of China;(6) JST, CREST, Sanbancho 5, Chiyoda-ku, Tokyo 102-0075, Japan; |
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Abstract: | Low temperature methanol synthesis is a promising technique for the practical methanol industry. New developments of a new
kind of low temperature methanol synthesis were reviewed, including the effects of feed gas, reaction solvent, supercritical
media and catalyst modification. The reaction mechanism and kinetics were also summarized primarily. Carbon dioxide played
an important role in this new kind of low temperature methanol synthesis. It reacted with hydrogen adsorbed on catalyst surface
to form HCOOM, an important reaction intermediate. Alcohol solvent in the low temperature methanol synthesis performed not
only a media, but also a homogeneous catalyst. The reaction of the adsorbed formate species with alcohol on Cu/ZnO catalyst
surface proceeded according to the Rideal mechanism rather than Langmuir–Hinshelwood mechanism to form alkyl formate. The
formation of alkyl formate from alcohol solvent and hydrogenation of such an alkyl formate were the key steps in low temperature
methanol synthesis reaction. These results provided new insights into low temperature methanol synthesis. |
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