The quality of recovered dichlorome-thane was increased shorter time was shortered and steam consumption was lossed.There were better economic social effects.

• 通过用固碱对二氯甲烷吸附除水,提高了二氯甲烷的回收质量,缩短了工作时间,降低了蒸汽消耗,取得了较好的经济效益和社会效益。