摘要
文章讨论了用精馏和熔融结晶精制氯代邻硝基甲苯的工艺，以及方法的改进。
In this paper,the purification of chlorinated o-nitrotoluene through rectification and melting crystallization hybrid process is discussed .The improvement in purifcation of product is also reported in detail.
出处
《农药》
CAS
北大核心
1997年第6期24-25,共2页
Agrochemicals
关键词
精馏
结晶
氯代邻硝基甲苯
精制
除草剂
中间体
sweating phenomenon,continuous rectification,falling film type melting crystallization.
