In-situ method and apparatus for sparging gas bubbles

Details In-situ method and apparatus for sparging gas bubbles In-situ method and apparatus for sparging gas bubbles

1976-09-20

1982-11-23

Pate, III, William F.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Dissolving or chemical reaction

137 13, 137896, 261122, E21B 4328, 299

Patent

active

043602347

ABSTRACT:
Method and apparatus for introducing finely divided gas bubbles into a lixiviant used for in-situ mining of minerals containing metal values, such as copper values. The lixiviant is supplied to a plurality of porous tubes formed of sintered powdered metal while a gas is supplied under pressure about the tubes to cause the gas to penetrate into the interior of the tubes in the form of fine bubbles which are wiped from the interior of the tubes by the lixiviant passing therethrough.
The method and apparatus can be advantageously employed in situations where it is desirable to perform in-situ mining with an oxidizing lixiviant. In these cases oxygen is supplied under pressure about the tubes.

REFERENCES:
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patent: 3118958 (1964-01-01), White
patent: 3307567 (1967-03-01), Gogarty et al.
patent: 3545731 (1970-12-01), McManus
patent: 3554228 (1971-01-01), Schneider
patent: 3652229 (1972-03-01), Burke
patent: 3708206 (1973-01-01), Hard
patent: 3730276 (1973-05-01), Land
patent: 3744510 (1973-07-01), Fletcher et al.

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