DEC, DEO, ethanol, ethyl formate, and 1,1-diethoxyethane were separated and qualitatively analyzed respectively.The formation of the by-products was explained by the reaction mechanism.

• 实现了对主要产物碳酸二乙酯、副产物甲酸乙酯、乙醇、1,1-二乙氧基乙烷的分离定性，并从反应机理上进行了解释。