Process for preparing acetaldehyde from methanol and synthesis g

Details Process for preparing acetaldehyde from methanol and synthesis g Process for preparing acetaldehyde from methanol and synthesis g

1982-02-01

1984-02-21

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568489, 568890, 568902, C07C 4706

Patent

active

044331789

ABSTRACT:
Acetaldehyde is prepared in good yield from methanol and synthesis gas by contacting the mixture of methanol, carbon monoxide and hydrogen with an iodide or iodine-free catalyst composition comprising ruthenium powder, a cobalt-containing compound and an onium salt or base, and heating the resulting mixture to an elevated temperature and pressure for sufficient time to produce the acetaldehyde, and then recovering the same from the reaction mixture.

REFERENCES:
patent: 3285948 (1966-11-01), Butter
patent: 4151208 (1979-04-01), Pretzer et al.
patent: 4239924 (1980-12-01), Pretzer et al.
patent: 4306091 (1981-12-01), Gauthier-Lafaye
patent: 4348541 (1982-09-01), Doyle

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