METHOD OF REGENERATION OF FILTER CLOTHS AFTER FILTRATIONOF PHOSPHOGYPSUM IN THE PROCESS OF MANUFACTURE OF PHOSPHORIC ACID USING WET METHOD

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  机译： 湿法生产磷酸过程中磷过滤后滤布的再生方法

• 4. METHOD OF PHOSPHOGYPSUM PROCESSING IN COMPLEX FERTILIZERS WITH PRODUCTION SEMI WET-PROCESS PHOSPHORIC ACID [P] . UA93253U . 2014-09-25

  机译： 生产半湿法磷酸复合肥中磷石膏的加工方法

• 5. Methods for concentrating rare-earth metals in phosphogypsum and removing thereof from wet process phosphoric acid [P] . 美国专利： US10011891B2 . 2018-07-03

  机译： 在磷石膏中浓缩稀土金属并将其从湿法磷酸中去除的方法

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