Method of disposing solid sodium chloride while selectively solu

Details Method of disposing solid sodium chloride while selectively solu Method of disposing solid sodium chloride while selectively solu

1978-08-22

1980-03-11

Purser, Ernest R.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Input and output wells

405 58, E21B 4328

Patent

active

041925556

ABSTRACT:
Disclosed is a method of disposing solid sodium chloride while selectively solution mining potassium chloride from a subterranean deposit containing potassium chloride and sodium chloride. In this novel method an aqueous solvent saturated with respect to sodium chloride, unsaturated with respect to potassium chloride and slurried with solid sodium chloride, is fed into the deposit having a cavity wherein there is face on which rich and lean potassium chloride ore is exposed. Potassium chloride is thereby dissolved while sodium chloride is deposited from the solvent slurry and the resultant solution withdrawn from the cavity enriched in potassium chloride.

REFERENCES:
patent: 3058729 (1962-10-01), Dahms et al.
patent: 3148000 (1964-09-01), Dahms et al.
patent: 3366419 (1968-01-01), Pasternak et al.
patent: 3586378 (1971-06-01), Dietz
patent: 3600039 (1971-08-01), Porter
patent: 3606466 (1971-09-01), Fernandes
patent: 4007964 (1977-02-01), Goldsmith

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