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.
本文通過非均相共沸精餾的方法采用乙苯、混合二甲苯、異丙苯三種共沸劑進(jìn)行實(shí)驗(yàn),結(jié)合共沸劑的選擇性和共沸物的共沸點(diǎn)來確定共沸劑。