草甘膦制剂废水的资源化利用工艺  

Resource Utilization Process for Glyphosate Formulation Wastewater

作　　者：秦龙[1] 姜胜宝[1] 郑新[1] 朱建民[1] 周曙光[1] 詹波[1] 

机构地区：[1]浙江新安化工集团股份有限公司,浙江建德311600

出　　处：《农药》2015年第6期411-413,417,共4页Agrochemicals

基　　金：国家高技术研究发展计划(863计划)(2012AA062905)

摘　　要：[目的]草甘膦制剂废水含有草甘膦有用成分,直接作为废水处理难度大,且易产生新的污染。探索和开发废水资源化利用方法,可从根本上解决草甘膦制剂废水的出路问题。[方法]根据制剂废水的成分及性质,采用"节能蒸馏-调节-结晶-固液分离"工艺,先回收废水中的草甘膦,然后再对剩余残液进行定向转化处理,得到焦磷酸钠粗品,提纯后得到工业焦磷酸钠产品。[结果]在优化的条件下,废水中磷元素的回收率大于99%,回收草甘膦产品纯度大于95%,焦磷酸钠含量大于96.5%。[结论]该工艺实现了废水中磷元素的高效回收,彻底解决了草甘膦制剂废水的出路问题。[Aims] Glyphosate formulation wastewater contains glyphosate and other useful ingredients. Direct treatment of the wastewater is difficult, and is easy to cause new pollution. Exploration and development of resource utilization methods can fundamentally solve the problem caused by glyphosate formulation wastewater. [Methods] The ＇energy-saving distillation-adjustment-crystallization and solid-liquid separation＇ process was used to deal with the wastewater according to the compositions and properties of glyphosate formulation wastewater. Firstly, the glyphosate in the wastewater was recoveried, and then the remaining residue was directionally converted to crude sodium pyrophosphate, finally crude sodium pyrophosphate was purified to obtain industrial products. [Results] Under the optimal conditions, the recovery rate of phosphorus in wastewater was more than 99%, the purity of glyphosate and sodium pyrophosphate were more than 95 and 96.5%, respectively. [Conclusions] The efficient recovery of phosphorus in wastewater as well as the solutionof outlet problem for glyphosate formulation wastewater were realized in the process.

关 键 词：草甘膦 制剂废水 资源化利用 

分 类 号：X786[环境科学与工程—环境工程]