在PVC吸附二乙烯三胺的作用下，三甲胺与氯乙醇反应合成氯化胆碱。
1·Chlorohydrin production of propylene oxide with the impurities except for acetaldehyde, propionaldehyde and hydrocarbon, epoxides, halogenated alkanes, acetone, alcohols, such as.
用氯醇法生产的环氧丙烷中所合杂质除有乙醛、丙醛外，还有烃类、环氧化物、卤代烷、丙酮、醇类等。
2·The Chlorohydrin process produces large amount of wastewater, which results in serious equipment corrosion and environmental pollution.
氯醇法在生产过程中产生大量含氯废水，对环境造成严重污染。