Process for oxidation of wet process phosphoric acid

Details Process for oxidation of wet process phosphoric acid Process for oxidation of wet process phosphoric acid

1982-08-23

1985-03-05

Heller, Gregory A.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

423 6, 423 8, 423321S, C01B 2516

Patent

active

045030227

ABSTRACT:
A method for oxidation of reduced cations and humate constituents of filtered, wet process phosphoric acid comprising the step of treating the acid with an oxygen source in the presence of activated carbon.

REFERENCES:
patent: 3711591 (1973-01-01), Hurst et al.
patent: 4256570 (1981-11-01), Allen et al.
patent: 4299805 (1981-11-01), Wells
patent: 4302427 (1981-11-01), Berry et al.
patent: 4330516 (1982-05-01), Winand
patent: 4402920 (1983-09-01), Lopez et al.
Carbon Absorption Handbook, Ann Arbor Science, Ann Arbor, Michigan, Chapter 17, "Feasibility of Munitions Wastewater Treatment by Adsorption-Oxidation", K. K. Jain and A. J. Bryce.
Catalytic Oxidation of Ferrous Ion in Acid Mind Water by Activated Carbon, E. A. Mihok, Bureau of Mines Report of Investigations 7337.
Recovering Uranium From Wet Process Phosphoric Acid, F. J. Hurst et al., Chem. Eng., Jan. 1, 1977, pp. 56-57.

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