Method for removing organic materials dissolved in purified phos

Details Method for removing organic materials dissolved in purified phos Method for removing organic materials dissolved in purified phos

1988-02-29

1989-04-11

Heller, Gregory A.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

423321S, C01B 2516

Patent

active

048205010

ABSTRACT:
A method for removing organic materials dissolved in purified phosphoric acid by decomposing it with hydrogen peroxide, characterized in that after the treatment with hydrogen peroxide, the purified phosphoric acid is contacted with reducing phosphorus compounds.

REFERENCES:
patent: 4330516 (1982-05-01), Winand
patent: 4637922 (1987-01-01), Nakatani et al.
patent: 4643883 (1987-02-01), Barchort
Derwent Abstract, 17696, 1983.

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