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。
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。
The storage of the by-product phosphogypsum from wet phosphoric acid production not only takes a lot of space, but also poses a severe pollution of the environment.
湿法磷酸生产副产磷石膏的堆放不仅占用大量土地，而且严重污染环境。
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