Production of monobasic potassium phosphate by ion exchange

Chemistry of inorganic compounds – Treating mixture to obtain metal containing compound – Group iiia metal or beryllium

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423305, 423313, 423127, 423629, 423181, C01B 1516, C01B 2526, C01F 100, C01F 702

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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.

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