Chemistry of inorganic compounds – Phosphorus or compound thereof – Oxygen containing
Patent
1985-12-30
1987-01-20
Heller, Gregory A.
Chemistry of inorganic compounds
Phosphorus or compound thereof
Oxygen containing
423320, C01B 2516
Patent
active
046379223
ABSTRACT:
A method for removing organic materials from a wet process phosphoric acid obtained by treating an uncalcined phosphate rock with sulfuric acid. The wet process phosphoric acid is contacted with a reducing material having a standard single electrode potential of at most 1.42 V and then further contacted with active carbon.
REFERENCES:
European Search Report of French 83 00 635.
Hiraga Yoichi
Nakatani Masaki
Heller Gregory A.
Toyo Soda Manufacturing Co. Ltd.
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