Recovery of hydrocarbons from acid sludge

Details Recovery of hydrocarbons from acid sludge Recovery of hydrocarbons from acid sludge

1990-02-06

1991-09-17

Silverman, Stanley S.

Mineral oils: processes and products

Treatment of refining sludge

208332, 210633, 210639, 210751, 210765, 210772, 210806, 210908, C10G 1706

Patent

active

050492560

ABSTRACT:
Hydrocarbons are recovered from acid sludge by mixing the sludge with methyl ethyl ketone and base. A hydrocarbon-rich methyl ethyl ketone stream and a solids-containing stream are separated from the mixture, and a hydrocarbon stream is separated from the hydrocarbon-rich methyl ethyl ketone stream.

REFERENCES:
patent: 1525016 (1925-02-01), Weir
patent: 2028185 (1936-01-01), Bird
patent: 2185951 (1940-01-01), Rostler et al.
patent: 4040958 (1977-08-01), Rammler
patent: 4057486 (1977-11-01), Meadus et al.
patent: 4801384 (1989-01-01), Steiner

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