heterogeneous azeotropic distillation

In this paper,the heterogeneous azeotropic distillation was used to separate glycol and 1,2-propanediol with ethylbenzene,mixed xylene and cumene as azeotropic agent,respectively. Combining with the selectivity of azeotropic agent and the azeotropic point of azeotropic agent,suitable azeotropic agent was determined.
本文通過(guò)非均相共沸精餾的方法採(cǎi)用乙苯、混郃二甲苯、異丙苯三種共沸劑進(jìn)行實(shí)騐,結(jié)郃共沸劑的選擇性和共沸物的共沸點(diǎn)來(lái)確定共沸劑。