该装置主要用于常压或加压状态下的液—液萃取分离或气液吸收，操作压力≤1.0Mpa，现用于液化气或干气脱硫剂的筛选和汽柴 油芳烃连续抽提实验。
Packaged extractive test unit:
    　It is mainly used for the atmospheric or pressure L-Lextractive separation or the G-L adsorption,the max operation pressure is 1.0Mpa.Now we use it to select the desulfurizer of liquefied gas or dry gas and do the continuous extraction tests of gasoline and diesel and aromatics.