A new process for producing cryolite from fluorosilicic acid co-produced in medium and small-sized phosphate fertilizer plants is introduced.

 
  • 介绍了利用中小磷肥厂副产的氟硅酸制冰晶石的新工艺,以低浓度的氟硅酸和碳酸氢铵、硫酸铝、硫酸钠为原料制取冰晶石,并副产硫酸铵和白炭黑。
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