Method for carrying out extractions in subterranean well

Details Method for carrying out extractions in subterranean well Method for carrying out extractions in subterranean well

1985-05-08

1987-07-28

Hruskoci, Peter

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

208432, 210747, 2604128, 426425, 426428, 426430, C02F 1102

Patent

active

046830634

ABSTRACT:
The present invention relates generally to improvements in processes and apparatus for effecting solvent extractions using liquefied gas or gases in the supercritical state as the solvents and specifically to continuous processes for carrying out such extractions at high pressures. Further, the present invention relates to an apparatus which is a long vertical cylinder of relatively small diameter, wherein the solvent gas and the material to be extracted are continuously circulated through the long vertical reactor.

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