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

C - Chemistry, Metallurgy

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B

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C01B 25/234 (2006.01) C01B 25/235 (2006.01)

Patent

CA 1141940

PROCESS FOR FREEING PHOSPHORIC ACID FROM ORGANIC CONTAMINANTS ABSTRACT OF THE DISCLOSURE: 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 con- sisting 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.

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