Process for treating cat cracker bottoms sludge

Liquid purification or separation – Processes – Separating

Patent

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Details

208 13, 210772, 210806, B01D 1102

Patent

active

046860487

ABSTRACT:
A process is disclosed for treating cat cracker bottoms sludge to remove the cat cracker bottoms hydrocarbons from the catalyst fines in the sludge to provide treated fines which are environmentally safe for landfill. The process involves mixing the sludge with a hydrocarbon diluent, separating the fines from the diluent-sludge mixture, then mixing the separated fines and remaining diluent with water and distilling off the remaining diluent to obtain the treated fines.

REFERENCES:
patent: 3692668 (1972-09-01), McCoy et al.
patent: 3696021 (1972-10-01), Cole et al.
patent: 3835021 (1974-09-01), Lorenz et al.
patent: 4123357 (1978-10-01), Clements et al.
patent: 4206001 (1980-06-01), Knowlton
patent: 4260489 (1981-04-01), Greig et al.

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