In this paper,the main reaction and by - reaction were studied for the synthesis of 1,4 - dioxane by cyclo-dehydration of DEG over H2SO4,H3PW12O40and ZRP-5 catalysts.

• 以硫酸、磷钨酸、ZRP-5分子筛为催化剂,研究了二甘醇(DEG)脱水环化的反应规律。