摘要
以丁草胺生产工艺中的废磷酸和废碱为原料 ,经反应、浓缩和结晶制备磷酸氢二钠 ,讨论了不同的工艺条件 ,得到了纯度和氯含量分别为 96 10 %、0 0 4%的产品 。
The disodium phosphate is prepared by concentration and crystallization method,the by-product waste phosphoric acid and waste alkali liquid from butachlor production are as raw materials.Different process conditions are studied,the purity of product is 96.10%,the Cl - is 0.04%.
出处
《无机盐工业》
CAS
2001年第5期34-34,42,共2页
Inorganic Chemicals Industry
