Process for the preparation of a glyoxylic acid ester

Details Process for the preparation of a glyoxylic acid ester Process for the preparation of a glyoxylic acid ester

C - Chemistry, Metallurgy

07

C

260/488

C07C 69/716 (2006.01) B01J 19/32 (2006.01)

Patent

CA 1249840

Abstract of the disclosure The invention relates to a process for the pre- paration of a glyoxylic acid ester by oxydehydrogenation of the corresponding glycolic acid ester in the gas phase over a supported catalyst in a tubular reactor. The catalyst support consists of at least one cylindrical monolith which essentially has the same diameter as the reactor tube and contains channels with a diameter of 1 to 10 mm leading from the inlet to the outlet of the reactor tube. 60 to 90% of the monolith volume is formed by hollow spaces.

471852

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