there is great difficulty in the desulfurization technology for wet phosphoric acid purification.
湿法磷酸凈化脱硫技术难度大。
large-sized wet phosphoric acid and ammonium phosphate plants were successfully built, which has greatly promoted the development of high-concentration phosphate compound fertilizer industry in china.
大型湿法磷酸和磷铵装置的成功建设极大地促进了我国高浓度磷复肥的发展。
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。
a wet phosphoric acid purifying extractor descaling method includes: a first step, using hot-water for soaking and extracting organic solvent in the scale, and then emptying hot water;
湿法磷酸凈化萃取装置除垢的方法,包括:第一步,用热水浸泡浸出结垢中的有机溶剂,之后排空热水;
the wet phosphoric acid plant features large amount of by product phosphogypsum, which poses significant pollution to the environment and must be treated before comprehensive utilization.
湿法磷酸生产副产的磷石膏数量大,对环境污染较严重,综合利用前均须进行处理。
the corrosion factors of the stirring blades and pumps in a wet phosphoric acid plant were presented.
分析二次湿法制取磷酸装置搅拌桨和泵设备的腐蚀因素。
here some wet phosphoric acid purification technologies are presented.
阐述了湿法磷酸凈化方法及其研究进展。
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。