Process Of Underground Coal Gasification

Useful product is recovered from an Underground Coal Gasification seam by drilling a passage extending from the surface to a cavity formed in the floor rock below the coal seam, drilling one or more upwardly radially extending channels from the cavity forming an injection manifold-like system which extends to the interface between the floor rock and the coal seam, injecting an oxidant or oxidant gas mixture into these channels from the surface

Posted in Business on December 21st, 2007 at 2:11 am.
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