Process for producing formaldehyde

Details Process for producing formaldehyde Process for producing formaldehyde

1987-09-18

1988-11-29

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 4704

Patent

active

047883472

ABSTRACT:
Formaldehyde is prepared by dehydrogenating methanol in the substantial absence of oxygen and in the presence of a catalyst which is a zinc-silicon complex oxide obtained by mixing a solution containing a zinc salt of an inorganic or organic acid with a solution containing an inorganic silicate compound, or by adding urea to a solution containing a zinc salt of an inorganic or organic acid and an organic silicate compound, until a precipitate is formed, and subsequently baking the precipitate at at least 500.degree. C.

REFERENCES:
patent: 4054609 (1977-10-01), Osugi et al.
patent: 4544773 (1985-10-01), Sagou
77 Chem. Abst. 87870.sub.y (1972), Saito et al.
80 Chem. Abst. 70325.sub.k (1974), Watanabe et al.
84 Chem. Abst. 84:104992 (1976), Osugi et al.
86 Chem. Abst. 86:170879.sup.m (1977), Osugi et al.
88 Chem. Abst. 88:61979.sub.q (1978), Osugi et al.
Abstract of U.S. Pat. No. 4,054,609 from Official Gazzette.

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