Process for selective oligomerization of Ethylene

The present invention relates to a commercial reaction process for a selective oligomerization reaction of ethylene, and to a method for efficiently removing reaction heat to be generated in the reaction and regulating the temperature of the reactor and, more specifically, to an oligomerization reaction process of ethylene, wherein a liquid mixture is circulated within the reactor, through a device for separating unreacted ethylene in a circulation flow to be generated, separates the unreacted ethylene in the circulation flow, and cools remaining mixture to be re-entered, thereby being capableof removing the reaction heat and regulating the temperature. 本发明涉及种用于乙烯的选择性低聚反应的工业化反应工艺和种用于有效地移除将在反应中产生的反应热并调节反应器温度的方法。更具体地说，涉及种乙烯的低聚反应工艺，通过循环反应器中的液体混合物、借助用于从循环流中分离未反应的乙烯的装置来从循环流中分离未反应的乙烯、和然后冷却剩余混合物并将其重新引入反应器，由此，能移除反应器内的反应热并允许温度控制。