Manufacture of formaldehyde

Details Manufacture of formaldehyde Manufacture of formaldehyde

1975-08-22

1978-02-07

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4516

Patent

active

040727173

ABSTRACT:
Formaldehyde is prepared by oxidative dehydrogenation of methanol in the presence of a silver catalyst, specific amounts of steam and specific amounts of an off-gas, of a specific composition, taken from the manufacture of formaldehyde. The reaction is started at a lower throughput of methanol and at a lower temperature. The formaldehyde obtainable by the process is a disinfectant, tanning agent and reducing agent, and a starting material for the manufacture of synthetic resins, adhesives and plastics.

REFERENCES:
patent: 2436287 (1948-02-01), Brondyke
patent: 2462413 (1949-02-01), Meath
patent: 3728398 (1973-04-01), Maux
patent: 3928461 (1975-12-01), Diem et al.

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