Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group iiia metal or beryllium
Patent
1975-06-02
1977-02-15
Vertiz, Oscar R.
Chemistry of inorganic compounds
Treating mixture to obtain metal containing compound
Group iiia metal or beryllium
423305, 423313, 423127, 423629, 423181, C01B 1516, C01B 2526, C01F 100, C01F 702
Patent
active
040083071
ABSTRACT:
A process for the production of monobasic potassium phosphate from wet process phosphoric acid and potassium sulfate by ion exchange. The application of the process is the production of monobasic potassium phosphate by ion exchange from wet phosphoric acid produced by the reaction of sulfuric acid on apatite rock and by-product potassium sulfate from processes for the recovery of aluminum from alunite.
REFERENCES:
patent: 1386031 (1921-08-01), Silsbee
patent: 2120840 (1938-06-01), McCullough
patent: 2707670 (1955-05-01), Munekata et al.
patent: 3595610 (1971-07-01), Brinkman et al.
patent: 3890425 (1975-06-01), Stevens et al.
patent: 3890426 (1975-06-01), Stevens et al.
Ewing Vernon R.
Loest Kent W.
Earth Sciences Inc.
Hanegan Herbert M.
Heller Gregory A.
National Steel Corporation
Ross Kermith F.
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