Method of sealing salina excavations

Details Method of sealing salina excavations Method of sealing salina excavations

1979-10-25

1983-01-11

Leppink, James A.

Hydraulic and earth engineering

Earth treatment or control

Chemical

405263, E02D 312

Patent

active

043679854

ABSTRACT:
Disclosed is a method of sealing salt mine headings. Salting out substances, adapted in quantity and quality for properties of effluent from the rift, are introduced into a rift in a rock mass, thus causing crystallization of salts identical or isostructural in relation to the salt forming the rock mass. The substances may be aqueous solutions of inorganic salts or they may be organic solvents. To avoid difficulty in mixing solutions, crevices are liquefied by introducing to their zone effluent and/or saline previously prepared and modified with salting out solutions. As inorganic salts, calcium chloride, magnesium chloride or mixtures thereof are used. As organic solvents, methanol or acetone is used.

REFERENCES:
patent: 3055423 (1962-09-01), Parker
patent: 3148000 (1964-09-01), Dahms et al.
patent: 3366419 (1968-01-01), Pasternak et al.
patent: 3833709 (1974-09-01), Chassagne
patent: 4136998 (1979-01-01), Bassier et al.
patent: 4192555 (1980-03-01), Willett

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