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U.S. Department of Energy
Office of Scientific and Technical Information

Treatment of oily sludge

Patent ·
OSTI ID:6381618

Oily sludge is treated by filtering it through a precoated surface filter, treating the filtration residue with a hydrocarbon solvent and/or steam stripping the extracted residue. The residual oil content of the treated sludge is very low and it can be used for land fill operations.

Assignee:
British Petroleum Co Ltd The (United Kingdom)
Patent Number(s):
US 4260489
OSTI ID:
6381618
Country of Publication:
United States
Language:
English