从含氟废水中浓缩回收2,6-二氟苯甲酰胺  

Recovery of 2,6-Difluorobenzamide Concentrated from Fluorine Wastewater

作　　者：张传亮 李国才 陈彦如 常娜[2] Zhang Chuanliang;Li Guocai;Chen Yanru;Chang Na(Tianjin Banksheng Purizfzcation Equipment Engineering Co.,Ltd.,Tianjin,300221;Tianjin Polytechnic University,Tianjin,300387)

机构地区：[1]天津邦盛净化设备工程有限公司,天津300221 [2]天津工业大学,天津300387

出　　处：《当代化工研究》2019年第17期21-23,共3页Modern Chemical Research

基　　金：天津市科技计划项目(课题)(17ZXHJSF00030)“含氟废水回用关键技术开发”

摘　　要：2,6-二氟苯甲酰胺是合成苯甲酰基脲类杀虫剂的重要中间体。随着全球苯甲酰基脲类农药的快速发展,2,6-二氟苯甲酰胺的市场需求增长迅速。而农药生产所产生的废水中含有大量的2,6-二氟苯甲酰胺,传统工艺处理难度大,且无法实现回用,造成了资源的严重浪费。本文介绍了一种利用膜法从含氟废水中回收提纯2,6-二氟苯甲酰胺的新工艺,浓缩提纯废水中的2,6-二氟苯甲酰胺,同时实现了无机盐分的回收以及淡水的回用,具有较好的工程应用前景。2,6-Difluorobenzamide is an important intermediate in the synthesis of benzoylurea insecticides.With the rapid development of benzoylurea pesticide,the market demand of 2,6-Difluorobenzamide is increasing rapidly.However,the wastewater produced by pesticide production contains a large amount of 2,6-Difluorobenzamide,which is difficult to be treated by traditional technology and cannot be reused,resulting in serious waste ofr esources.This paper introduced a new technology ofr ecovering and purifying 2,6-Difluorobenzamide from fluorine wastewater by membrane method,concentrated 2,6-Difluorobenzamide from purifying wastewater,and also realized the recovery of inorganic salt and reuse off resh water.

关 键 词：含氟废水 电渗析 浓缩回收 反渗透 

分 类 号：X703.1[环境科学与工程—环境工程]