A method for defluorination of phosphogypsum, which in the case of the production of phosphoric acid according to the wet method obtained

• 1. 一种高效脱氟剂及应用该脱氟剂对湿法磷酸进行深度脱氟的方法 [P] . 中国专利： CN1962422A . 2007-05-16
• 2. 沉淀预脱氟与汽提脱氟耦合的湿法磷酸脱氟方法 [P] . 中国专利： CN110467167B . 2021.05.28
• 3. METHOD FOR DIRECTLY USING PHOSPHOGYPSUM DECOMPOSITION GAS IN WET PHOSPHORIC ACID PRODUCTION [P] . 世界知识产权组织专利： WO2017173717A1 . 2017-10-12

  机译： 在湿法磷酸生产中直接使用磷酸分解气的方法

• 4. METHOD FOR JOINT PRODUCTION OF PHOSPHOGYPSUM DECOMPOSITION GAS AND WET-PROCESS PHOSPHORIC ACID [P] . 世界知识产权组织专利： WO2017173716A1 . 2017-10-12

  机译： 磷酸分解气与湿法磷酸联合生产的方法

• 5. 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

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