After dehydration and distillation,the fusel oil is reacted with phthalic anhydride to synthesis phthalic mixed ester by strong acidic canon ion excharge resin as catalyst.

• 以糖厂、酒精厂副产物杂醇油为原料醇，经脱水及简单蒸馏后，在强酸树脂的催化作用下与邻苯二甲酸酐反应，合成了外观为浅黄色透明的邻苯二甲酸混合酯。