Treatment of soil contaminated with oil or oil residues

Details Treatment of soil contaminated with oil or oil residues Treatment of soil contaminated with oil or oil residues

1999-01-28

2000-11-28

Gulakowski, Randy

Cleaning and liquid contact with solids

Processes

Including regeneration, purification, recovery or separation...

134 6, 134 7, 134 10, 134 251, 208390, B08B 700, B08B 704, B08B 920, C10G 100

Patent

active

061530174

ABSTRACT:
A method for removal of hydrocarbon materials from solid particulate soil contaminated with the hydrocarbon materials. The method comprises forming an aqueous slurry of a mixture of a hydrophobic adsorbent selected from foamed synthetic materials or natural materials which entrap gas, with the soil in the presence of water. The adsorbent has a density less than water. The slurry is mixed for a period of time, and a gravity separation of the adsorbent from the aqueous admixture thus obtained is effected.

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