This paper summarize the existing problems in the cycle use of process water for phosphoric acid production, and also some measures to solve were put forward.

针对磷酸生产用水的特殊性，总结了大装置磷酸生产用水封闭循环使用存在的问题，并因地制宜地找到了解决此问题的方法。

youdao

Some phosphoric acid production techniques are introduced, such as nitric acid technique, hydrochloric acid technique, sulfuric acid technique, which use phosphate rock as raw material.

介绍了以磷矿为生产原料的硝酸法、盐酸法、硫酸法等湿法磷酸生产工艺，并对其工艺进行了说明和比较。

youdao

The corrosion situation of some metal materials used for axial-flow pump and impeller of slurry pump in wet phosphoric acid production was studied.

研究了几种金属材料在湿法磷酸生产中的浓缩轴流泵和萃取槽料浆泵叶轮上的耐腐蚀使用情况。

youdao