該裝置主要用于常壓或加壓狀態下的液—液萃取分離或氣液吸收，最大操作壓力1.0Mpa，現用于液化氣或干氣脫硫劑的篩選和汽柴 油芳烴連續抽提實驗。
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.