An azeotrope former, toluene, is added to the phenol-water mixture to form a new much easier separation azeotrope to seporate phenol-water mixture completely by azeotropic distillation method...

• 为此,在苯酚-水物系中加入了一种共沸剂甲苯,用共沸精馏法实现了苯酚-水混合物的分离。分离后的水可以直接送到生化装置进行处理,苯酚回收供反应系统循环使用。