Fuel sludge treatment method, especially for leaded gasoline sto

Details Fuel sludge treatment method, especially for leaded gasoline sto Fuel sludge treatment method, especially for leaded gasoline sto

1983-03-25

1984-05-08

Castel, Benoit

Liquid purification or separation

Processes

Utilizing electrical or wave energy directly applied to...

210771, 210807, 210290, 210909, B01D 3514

Patent

active

044473320

ABSTRACT:
A sludge treatment technique adapted for separating volatile liquid hydrocarbons and/or water from sludge solids in a horizontal enclosed tank having a supported bed of filter particles. Liquids are permitted to drain and evaporate under controlled conditions and a removable top closure permits exposure of sludge solids to ambient U-V radiation and weathering conditions whereby lead-containing sludge is detoxified to environmentally acceptable levels.

REFERENCES:
patent: 2279848 (1942-04-01), Unger, Jr.
patent: 3682307 (1972-08-01), Cook et al.
patent: 3835021 (1974-09-01), Lorenz et al.
patent: 4249317 (1981-02-01), Murdock
patent: 4260426 (1981-04-01), Werfelman
patent: 4260489 (1981-04-01), Greig et al.
patent: 4328901 (1982-05-01), Gunderman et al.
patent: 4382863 (1983-05-01), Riise

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