Process for freeing phosphoric acid from organic contaminants

Details Process for freeing phosphoric acid from organic contaminants Process for freeing phosphoric acid from organic contaminants

1980-03-17

1981-07-21

Vertiz, O. R.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

C01B 2516

Patent

active

042798787

ABSTRACT:
The invention relates to a process for freeing aqueous phosphoric acid solutions from organic contaminants. To this end, the solutions are admixed and reacted with hydrogen peroxide in the presence of a catalyst consisting of a noble metal or metal oxide being inert with respect to phosphoric acid or of a mixture of said noble metal and metal oxide.

REFERENCES:
patent: 2977191 (1961-03-01), Pottiez
patent: 3493376 (1970-02-01), Milling

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