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一种裂解碳五馏分分离的方法 在石油裂解制乙烯工业生产中， C5馏分是主要副产物之一，它的沸程通常是在 25℃～ 50℃，其各组分沸点相近且能形成多种共沸物，组成非常复杂。它的分离和利用，对于提高乙烯生产装置的经济效益，综合利用资源都具有十分现实的意义。 为
A method for the separation of cracked C5 fractions In the industrial production of ethylene for petroleum cracking, the C5 fraction is one of the main by-products. Its boiling range is usually between 25°C and 50°C. Its components have similar boiling points and can form multiple The azeotrope, the composition is very complicated. Its separation and utilization have a very practical significance for improving the economic benefits of ethylene production facilities and comprehensive utilization of resources. For