Water injection for control of fines for producing defluorinated

Details Water injection for control of fines for producing defluorinated Water injection for control of fines for producing defluorinated

1977-05-31

1980-05-27

Gantz, Delbert E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Alkaline earth metal

423305, 71 41, 71 44, 71DIG3, C01F 100, C01F 500, C01F 1100

Patent

active

042050499

ABSTRACT:
An improved process is described for preparing defluorinated phosphate rock (DPR) granules from fluorine-containing phosphate rock. In particular, the improvement is useful in conventional processes which comprise the steps of:

REFERENCES:
patent: 2562718 (1951-07-01), Hollingsworth
patent: 2997367 (1961-08-01), Williams
patent: 3178278 (1965-04-01), Manning
patent: 3189433 (1965-06-01), Hollingsworth et al.
patent: 3264086 (1966-08-01), Hollingsworth et al.
patent: 3514255 (1970-05-01), Wiener

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