Cleanup of oily wastes

Details Cleanup of oily wastes Cleanup of oily wastes

1989-07-12

1990-06-05

Caldarola, Glenn

Mineral oils: processes and products

Treatment of refining sludge

208182, 208181, 208299, C10G 1710

Patent

active

049311611

ABSTRACT:
A process is disclosed for removing hydrocarbons from oily wastes. According to the process, the oily wastes are mixed with solids and a binder and then granulated. The granules thus formed are contacted with solvent to extract hydrocarbons from the granules. Preferred solids include limestone and preferred binders include portland cement calcium sulfate and/or calcium sulfate hydrate such as plaster of Paris.

REFERENCES:
patent: 4514307 (1985-04-01), Chesnut et al.
patent: 4775457 (1988-10-01), Beer et al.

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