Reactor and method for synthesising vinyl acetate in the...

B - Operations – Transporting – 01 – J

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B01J 12/00 (2006.01) B01J 19/00 (2006.01) B01J 19/24 (2006.01) B01J 23/58 (2006.01) B01J 37/02 (2006.01) C07C 67/055 (2006.01)

Patent

CA 2584173

The invention relates to a synthesis reactor and to a method for producing vinyl acetate, in which gaseous ethylene and acetic acid, in addition to oxygen or gases containing oxygen, react catalytically. The inventive synthesis reactor is a wall reactor, in which the catalytic synthesis takes place in a plurality of reaction chambers, whose free flow cross-sections measure less than 2000 m, preferably 1000 m and whose indirectly cooled walls are coated with a palladium-gold catalyst.

L'invention concerne un réacteur de synthèse et un procédé pour la production d'acétate de vinyle, dans lesquels de l'éthylène gazeux et de l'acide acétique ainsi que de l'oxygène ou des gaz contenant de l'oxygène réagissent catalytiquement. Le réacteur de synthèse selon l'invention est un réacteur à parois dans lequel la synthèse catalytique se fait dans une multitude de chambres de réaction dont la section d'écoulement libre est, au moins dans une dimension, inférieure à 2000 ?m et, de préférence, inférieure à 1000 ?m et dont les parois indirectement refroidies sont revêtues d'un catalyseur palladium-or.

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