Process for disposal of sulfate containing brines from diaphragm

Details Process for disposal of sulfate containing brines from diaphragm Process for disposal of sulfate containing brines from diaphragm

1979-01-04

1980-09-23

Novosad, Stephen J.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Dissolving or chemical reaction

166305D, E21B 4328

Patent

active

042239494

ABSTRACT:
Disposal of effluent solutions containing sodium sulfate in an ecologically safe and economically sound manner is accomplished in a process which admixes the effluent with the aqueous solution used as the mining solution in salt deposits. The effluent-containing mining solution is injected into the brine well to dissolve sodium chloride while inhibiting the dissolution of soluble calcium compounds. Brine recovered from the wells has a reduced concentration of dissolved calcium.

REFERENCES:
patent: Re26460 (1968-09-01), Axelrad et al.
patent: 1409139 (1922-03-01), Glaeser
patent: 2125624 (1938-08-01), Davis et al.
patent: 2902418 (1959-09-01), Burns
patent: 3606466 (1971-09-01), Fernandes
patent: 3891397 (1975-06-01), Fiedelman
patent: 3914945 (1975-10-01), Bietlot
patent: 3998709 (1976-12-01), Winkler
patent: 4072472 (1978-02-01), Lures
LaGess, "Disposal of Brine Treating Solids by Recycling to a Brine Well", Chlorine Bicentennial Symposium, 1974.

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