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Phosphoric acid purification processes

Stevetest
Participant

1 year, 6 months ago #4422

What processes are used to purify phosphoric acid?

Forum Administrator
Keymaster

1 year, 6 months ago #4511

Several different processes have been developed. Three of the main ones are chemical purification, for the production of sodium or ammonium phosphates; phosphoric acid purification by ion exchange on selective resins; and by solvent extraction. They each have different pros and cons, and vary in their suitability for different end purposes. IFS Proceedings 821 describes them.

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