Aeration of phosphoric acid

Details Aeration of phosphoric acid Aeration of phosphoric acid

1980-09-29

1981-10-13

Thomas, Earl C.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

C01B 2516

Patent

active

042948096

ABSTRACT:
Aeration of Hill phosphoric acid, preferably with perlite, and preferably with a chemical oxidant, e.g., H.sub.2 O.sub.2. Gives good post-precipitation control with high-iron phosphate rock, even in winter conditions.

REFERENCES:
patent: 3845198 (1974-10-01), Marcot
patent: 3907680 (1975-09-01), Hill, Sr.
patent: 4044108 (1977-08-01), Kikuchi et al.
patent: 4048289 (1977-09-01), Pierres
patent: 4110422 (1978-08-01), Hill
patent: 4164550 (1979-08-01), Hill
patent: 4209497 (1980-06-01), Irani et al.

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