Process for polymerising or oligomerising a hydrocarbon

C - Chemistry – Metallurgy – 07 – C

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C07C 2/36 (2006.01) C07C 2/12 (2006.01) C07C 11/107 (2006.01)

Patent

CA 2705155

A process (10) for polymerising or oligomerising a hydrocarbon includes feeding a liquid hydrocarbon reactant (32) and a liquid evaporative cooling medium into a bulk liquid phase (14) which includes polymeric or oligomeric product admixed with a catalyst, and allowing at least a portion of the liquid hydrocarbon reactant and the liquid evaporative cooling medium to vapouhse to form bubbles rising through the bulk liquid phase (14), with the hydrocarbon reactant polymerising or oligomerising to form the polymeric or oligomeric product and with the evaporation of both the liquid hydrocarbon reactant and the liquid evaporative cooling medium effecting heat removal from the bulk liquid phase (14). Gaseous components are withdrawn (26) from a head space, cooled (28) and separated (30). Condensed hydrocarbon reactant and condensed cooling medium are recycled (32) to the bulk liquid phase (14).

L'invention porte sur un procédé (10) de polymérisation ou d'oligomérisation d'un hydrocarbure qui consiste à introduire un réactif hydrocarboné liquide (32) et un milieu liquide de refroidissement par évaporation dans une phase liquide en vrac (14) qui comprend un produit polymère ou oligomère mélangé avec un catalyseur, et à amener au moins une partie du réactif hydrocarboné liquide et du milieu liquide de refroidissement par évaporation à se vaporiser pour former des bulles montant à travers la phase liquide en vrac (14), le réactif hydrocarboné se polymérisant ou s'oligomérisant pour former le produit polymère ou oligomère et l'évaporation à la fois du réactif hydrocarboné liquide et du milieu liquide de refroidissement par évaporation effectuant l'élimination de la chaleur de la phase liquide en vrac (14). Des composants gazeux sont éliminés (26) d'un vide, refroidis (28) et séparés (30). Le réactif hydrocarboné condensé et le milieu de refroidissement condensé sont recyclés (32) à la phase liquide en vrac (14).

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