Process for removing color bodies from brown phosphoric acid

Details Process for removing color bodies from brown phosphoric acid Process for removing color bodies from brown phosphoric acid

1980-08-04

1981-10-27

Vertiz, O. R.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

C01B 2516

Patent

active

042973341

ABSTRACT:
A system and process for decolorizing and purifying brown phosphoric acid using an activated carbon characterized by having a total pore volume of 1.0 cc/g or greater with about half of the total pore volume located in pores 35A or less in radius.

REFERENCES:
patent: 3122415 (1964-02-01), Gilchrist
patent: 3186793 (1965-06-01), Gillis et al.
patent: 3634028 (1972-01-01), Hohne
patent: 3872215 (1975-03-01), Cherdron et al.
patent: 3993733 (1976-11-01), Irani
patent: 3993736 (1976-11-01), Irani
patent: 4029600 (1977-06-01), Schmitt et al.

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