Oxidative control of post precipitation in phosphoric acid

Details Oxidative control of post precipitation in phosphoric acid Oxidative control of post precipitation in phosphoric acid

C - Chemistry, Metallurgy

01

B

23/72

C01B 25/22 (2006.01) C01B 25/235 (2006.01)

Patent

CA 1130535

USSN 111,013 filed 10 Jan. 80 REF. 5740 OXIDATIVE CONTROL OF POST PRECIPITATION IN PHOSPHORIC ACID Abstract of the Discloc;ure Improvement in the Hill phosphoric acid process. Fe? in high iron feed is oxidized to Fe? to improve post-precipitation characteristics, optionally, a minor stream from the crystallizer is returned to the oxidation zone.

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