The effects of adding glycol+K2SO4,glycol+KAc,and glycol+ZnCl2 as extractive agents on the reflux ratio and solvent ratio in the batch extractive distillation of isopropanol have been investigated.

• 采用间歇加盐的萃取方式,散堆玻璃填料塔,优化选取了回流比,溶剂比等相关工艺参数。