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

Recycle of oily refinery wastes

Patent ·
OSTI ID:7261012

This patent describes a process for recycling of petroleum containing sludge. It comprises segregating waste oil-containing sludges into a relatively high oil content sludge and a relatively high water content sludge; introducing the high oil content sludge into a delayed coking drum under delayed conditions in the presence of a liquid coker hydrocarbon feedstock to form coke; introducing the high water content sludge into a delayed coking drum to quench the coke formed in the coking drum.

Assignee:
Mobil Oil Corp., New York, NY
Patent Number(s):
US 4874505
Application Number:
PPN: US 7-151380A
OSTI ID:
7261012
Country of Publication:
United States
Language:
English