Some typical processes which appeared in recent years were reviewed on the basis of increasing the yield of monoethanol amine or diethanol amine and improving the quality of triethanol amine product.

• 从提高一乙醇胺收率或二乙醇胺收率及改善三乙醇胺产品质量等3个方面,对近年来出现的比较典型的工艺作了综述。