MANUFACTURE OF GLYOXYLIC ACID ESTER

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 s...

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Bibliographische Detailangaben
Hauptverfasser:	ROBERUTO KENNETO DORISUKOORU, FURIIDORITSUHI UUNDERU, ERUNSUTO INGO ROIPORUDO, UORUFUGANGU EEBERUTSU
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	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.