Polyester process using a pipe reactor

Details Polyester process using a pipe reactor Polyester process using a pipe reactor

C - Chemistry, Metallurgy

08

G

C08G 63/81 (2006.01) B01J 19/24 (2006.01) C08G 63/183 (2006.01)

Patent

CA 2526963

There are disclosed polyester processes using a pipe reactor (5) and corresponding apparatuses. In particular, there are disclosed processes and corresponding apparatuses including an esterification pipe reactor with a recirculating reaction zone (4)(RR zone) and a plug reaction profile reaction zone (6) (PRPR zone), especially when operated with a significant part of the overall conversion taking place in the plug reaction profile reaction zone (PRPR zone).

La présente invention se rapporte à des procédés de fabrication de polyester mettant en oeuvre un réacteur tubulaire (5), et à des appareils correspondants. L'invention concerne, en particulier, des procédés et des appareils correspondants qui comprennent un réacteur tubulaire d'estérification comportant une zone de réaction à recirculation (4)(zone RR) et une zone de réaction à profil de réaction d'obturation (6) (PRPR zone), et en particulier lorsque le réacteur fonctionne de manière qu'une partie significative de la conversion globale s'effectue dans la zone PRPR.

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