湿法磷酸制三聚磷酸钠——酸净化工艺实验研究

Research on Refining of Phosphoric Acid by dihydrate-process Used in of Sodium Tripolyphosphate preparation

采用二水湿法磷酸精制后制取工业级三聚磷酸钠工艺实验研究,结果表明:工艺路线、工艺条件均能满足要求,净化酸制取的五钠产品质量指标符合国家标准。

The preparation of technical grade sodium tripolyphosphate from refining phosphoric acid by process was stedied, the product quality meets national standard＇s demands.