Method for enhanced separation of organic matters in mixed component with supercritical fluid combination medium

Abstract

The present disclosure provides a method for enhanced separation of organic matters in a mixed component with a supercritical fluid combination medium. In the present disclosure, the method includes: placing a mixed component to be separated and a cosolvent in a reaction vessel, suspending the mixed component to be separated above a liquid level line of the cosolvent, and introducing a supercritical fluid into the reaction vessel to conduct supercritical fluid separation; where during the supercritical fluid separation, a separation temperature is changed periodically within a supercritical temperature range of the supercritical fluid combination medium. The supercritical fluid combination medium has characteristic parameters that change with temperatures, so as to obtain a higher separation yield with low energy consumption. In this way, a separation time is shortened, and a separation efficiency of the mixed component in a supercritical fluid environment is effectively improved.

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