Reconditioning soils contaminated by crude oils or other refined

Details Reconditioning soils contaminated by crude oils or other refined Reconditioning soils contaminated by crude oils or other refined

1982-01-22

1984-01-03

Marantz, Sidney

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 251, 134 40, 175206, B08B 304

Patent

active

044240813

ABSTRACT:
A method for reconditioning soils contaminated with crude oils or other refined petroleum products. The system comprises a mixer input device for mixing and heating the soils with a liquid and providing a heated blended slurry. A sparger kiln agitates the slurry to break down its component parts into a fine particle slurry. A first clarifier washes the fine particle slurry to effect a first separation of oil particles from the slurry. A network of flotation cell units further wash and agitate the fine particle slurry from the clarifier to effect a second separation of oil particles from the fine particle slurry. A reagent is added to the flotation cells to effect the oil separation. An aeration clarifier further separates the oil particles from the liquid mixture elected from the flotation cell units. A collecting system is provided to recover the oil particles separated from the first clarifier and the aeration clarifier.

REFERENCES:
patent: 1580723 (1926-04-01), Hapgood
patent: 3802916 (1974-04-01), Jackson
patent: 4072539 (1978-02-01), Benzon
patent: 4136217 (1979-01-01), Henley
patent: 4175039 (1979-11-01), Fisher
patent: 4184891 (1980-01-01), Pollozec
patent: 4206001 (1980-06-01), Knowlton
patent: 4233174 (1980-11-01), Sheridan
patent: 4324652 (1982-04-01), Hack
Chemical Abstracts, 90:92006r, (1979).

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