Fluosilicic Acid (FSA)

Fluorosilicic Acid, Hexafluorosilicic Acid, Fluosilicic Acid or FSA is also an involuntary byproduct of the phosphoric acid industry that is normally being neutralized and disposed with the phosphogypsum or in a dedicated area.

 

FSA can be of a very beneficial use, it can be used in water fluoridation a normal practice in water treatment industry, it can be also used in the manufacturing of Sodium Fluoride or Aluminium Fluoride which both are used in Aluminium industry to decrease the melting point of Aluminium ore.

 

FSA can be also a source of active silica which is a valuable product that can be used in the phosphoric acid industry itself to neutralize the highly corrosive Hydrofluoric Acid (HF), it can be also used in many other industries.

 

WAPHCO is considering many options for the best use of the same and working from day one to get the most out of this resource.

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