A batch extractive distillation process with mixed solvents was studied experimentally in a middle-vessel batch distillation column. 摘要采用一個(gè)帶有中間貯罐的間歇精餾實(shí)驗塔，對混合溶劑間歇萃取精餾過(guò)程進(jìn)行了實(shí)驗研究。
A new method of adopting combined extraction - rectification technique to separate an azeotrope of trimethyl borate and methanol has been narrated in the article. 敘述了采用萃取精餾法分離硼酸三甲酯和甲醇共沸物的新方法。
