烷基酯法草甘膦尾气的连续回收工艺  

A Continuous Process of Tail Gas Recovery in Producing Glyphosate with Dimethyl Phosphite

作　　者：胡跃华[1] 周海扬[1] 周曙光[1] 陈晓祥[2] 

机构地区：[1]浙江新安化工集团股份有限公司,建德311600 [2]华东理工大学化学工程系,上海200237

出　　处：《农药》2003年第10期17-19,34,共4页Agrochemicals

摘　　要：介绍了烷基酯法草甘膦尾气的连续化回收工艺。采用硫酸分段循环和降温相结合的方法 ,尾气氯甲烷的回收率达 90 %以上 ,含水量小于 5 0mg/kg。A continuous process of tail gas recovery in producing glyphosate with dimethyl phosphite is introduced in this paper.The recovery for methylchloride in the tail gas is over 90% by using the method of combining recycle sulfuric acid and lower temperature.The moisture content of methylchloride is less than 50mg/kg.

关 键 词：烷基酯法 草甘膦 尾气回收 连续回收工艺 氯甲烷 

分 类 号：X786[环境科学与工程—环境工程]