Fluidized bed reaction systems using unsupported catalysts

Details Fluidized bed reaction systems using unsupported catalysts Fluidized bed reaction systems using unsupported catalysts

C - Chemistry, Metallurgy

08

F

C08F 2/34 (2006.01) C08F 2/38 (2006.01) C08F 10/02 (2006.01) C08F 10/06 (2006.01) C08F 10/08 (2006.01)

Patent

CA 2193147

A process is described for increasing the space time yield of polymer production in a fluidized bed reactor employing an exothermic polymerization reaction by cooling the recycle stream to below its dew point and returning the resultant two-phase fluid stream to the reactor to maintain the fluidized bed at a desired temperature above the dew point of the recycle stream.

n décrit un procédé pour augmenter le rendement dans l'espace et dans le temps de la production de polymères dans un réacteur à lit fluidisé utilisant une réaction exothermique de polymérisation par refroidissement de l'écoulement de recyclage à une température inférieure au point de rosée et par le retour au réacteur de l'écoulement à deux phases obtenu afin de maintenir le lit fluidisé à la température souhaitée au-dessus du point de rosée de l'écoulement de recyclage.

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