Position: Home > Articles > Study on the Seperation Process for Solid Glyphosate Potassium Salt by Alcohol Precipitation
Modern Agrochemicals
2019
(2)
24-26
固体草甘膦钾盐的醇析分离工艺研究
作 者：
张玉皖;王建龙
单 位：
河南艾诺农业科技有限公司
关键词：
固体草甘膦钾盐;醇析法;分离工艺;研究
摘 要：
草甘膦原药与50%KOH水溶液反应得到草甘膦钾盐水溶液,通过向其中加入适量甲醇使固体草甘膦钾盐从溶液中析出,从而实现其有效分离与提纯。选择甲醇、乙醇和乙二醇对醇析效果进行了比较,并研究了醇析温度和醇用量对固体草甘膦钾盐品质的影响。试验结果表明,甲醇为该工艺最适宜的醇析溶剂,醇析温度升高可提高产品纯度,而甲醇用量则是影响产品收率的主要因素。
译 名：
Study on the Seperation Process for Solid Glyphosate Potassium Salt by Alcohol Precipitation
作 者：
Zhang Yu-wan;Wang Jian-long;Henan Ainuo Agriculture Science and Technology Co., Ltd.;
关键词：
glyphosate potassium salt solid;;alcohol precipitation;;separation technology;;study
摘 要：
To achieve high purity glyphosate potassium salt solid, glyphosate reacted with KOH solution (50%) to obtain glyphosate potassium salt solution, then by adding moderate methanol, the target glyphosate potassium salt solid was obtained. The effects of methanol, ethanol and ethylene glycol on the quality of glyphosate potassium salt were studied.The experiment results indicated that methanol was the most suitable solvent for this process, the product purity increased with the temperature of alcohol, and the dosage of methanol was the most important factor affecting product yield.
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