Manufacture of formaldehyde

Details Manufacture of formaldehyde Manufacture of formaldehyde

C - Chemistry, Metallurgy

07

C

260/572.4

C07C 47/04 (2006.01) C07C 45/38 (2006.01)

Patent

CA 1058220

ABSTRACT OF THE DISCLOSURE: 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 disinfec- tant, tanning agent and reducing agent, and a starting material for the manufacture of synthetic resins, adhesives and plastics.

233565

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