Recovering uranium from coal in situ

Details Recovering uranium from coal in situ Recovering uranium from coal in situ

1977-05-16

1978-09-12

Purser, Ernest R.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Input and output wells

166256, E21B 4328

Patent

active

041133137

ABSTRACT:
An underground carbonaceous deposit containing other mineral values is burned in situ. The underground hot zone is cooled down to temperature below the boiling point of a leaching solution. The leaching solution is percolated through the residial ash, with the pregnant solution recovered for separation of the mineral values in surface facilities.

REFERENCES:
patent: 3456730 (1969-07-01), Lange
patent: 3502372 (1970-03-01), Prats
patent: 3765722 (1973-10-01), Crumb

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