Preparation of methanol

Details Preparation of methanol Preparation of methanol

1984-05-25

1986-11-18

Mars, Howard T.

Chemistry: fischer-tropsch processes; or purification or recover

Including regeneration of catalyst

518713, 502 38, C07C 2706, C07C 3104

Patent

active

046236686

ABSTRACT:
Methanol is prepared by catalytic conversion of a synthesis gas mixture, containing hydrogen, carbon monoxide, carbon dioxide and/or water, at from 200.degree. to 320.degree. C. and under from 30 to 300 bar in adiabatic and/or isothermal reactions in the presence of a catalyst containing copper and zinc, by a process in which the fresh catalyst is reduced with a hydrogen-containing gas before the start-up of the process, and then the synthesis is started under conventional conditions and is continued until the formation of methanol in the reaction zone has declined substantially, after which the reaction is interrupted and the catalyst is regenerated.

REFERENCES:
patent: 4375424 (1983-03-01), Slaugh
patent: 4423155 (1983-12-01), Bell et al.
patent: 4440668 (1984-04-01), Chang et al.
patent: 4507403 (1985-03-01), Asakawa
Herman et al., J of Catalysis 56, 407-429, 1979.

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