Process for the preparation of formaldehyde

Details Process for the preparation of formaldehyde Process for the preparation of formaldehyde

C - Chemistry, Metallurgy

07

C

260/572.3

C07C 45/29 (2006.01) B01J 23/04 (2006.01) C07C 45/00 (2006.01) C07C 47/052 (2006.01)

Patent

CA 2019641

- 1 - HOE 89/F 200 ABSTRACT OF THE DISCLOSURE Process for the preparation of formaldehyde The process dehydrogenates methanol in the presence of a catalyst based on aluminum oxide, alkali metal aluminate and/or alkaline earth metal aluminate with the exclusion of oxygen at a temperature of 650 to 1050°C in a reactor whose inner wall is composed entirely or partly of aluminum oxide. The process gives anhydrous formaldehyde which contains only very minor impurities.

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