PROCESS FOR THE PREPARATION OF A GLYOXYLIC ACID ESTER
摘要
<p>1. A process for the preparation 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, wherein the catalyst support consists of at least one cylindrical monolith, the monolith essentially having the same diameter as the reactor tube and containing channels 1 to 10 mm in diameter which lead from the inlet to the outlet of the reactor tube, and wherein 60 to 90% of the volume of the monolith is formed by hollow spaces.</p>
申请公布号
EP0149456(B1)
申请公布日期
1989.02.08
申请号
EP19850100067
申请日期
1985.01.03
申请人
HOECHST AKTIENGESELLSCHAFT
发明人
DRISCOLL, ROBERT KENNETH, DR.;LEUPOLD, ERNST INGO, DR.;EBERTZ, WOLFGANG, DR.;WUNDER, FRIEDRICH, DR.