Catalyst for the synthesis of methanol and method for preparing

Details Catalyst for the synthesis of methanol and method for preparing Catalyst for the synthesis of methanol and method for preparing

1977-03-14

1978-08-15

Shine, W. J.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252468, 2604495, B01J 2104, B01J 2110, B01J 2306, B01J 2326, B01J 2328, B01J 2330, B01J 2372

Patent

active

041070895

ABSTRACT:
A catalyst for the synthesis of methanol which contains an oxide of one or more metals of Group VI, chromium subgroup, of the periodic system, copper oxide, zinc oxide and an oxide of one or more hardly reducible metals of Group II-III of the periodic system.
The catalyst according to the present invention is prepared by precipitation, by means of sodium carbonate at a pH value within the range of from 5.5 to 7.5, of salts of copper, zinc and at least one hardly reducible metal of group II-III of the periodic system, whereafter the resulting precipitated mass is filtered-off, washed at pH=7-8, dried and added with soluble and readily thermally-decomposed compounds of one or more metals of Group VI, chromium subgroup, of the periodic system; then the resulting catalyst mass is dried and tabletted.
The catalyst according to the present invention features a higher efficiency, by 1.2-2 times superior to that of the prior art catalysts for the synthesis of methanol, and increased thermal stability during the operation. Furthermore, the catalyst according to the present invention demonstrates good operation characteristics when used in the synthesis of methanol under a pressure ranging from 50 to 80 atm.

REFERENCES:
patent: 3256208 (1966-06-01), Eguchi et al.
patent: 3326956 (1967-06-01), Davies et al.

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