Treatment of soil contaminated with hazardous residues
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United States of America Patent
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Jun 26, 2001
Grant Date -
N/A
app pub date -
Jan 28, 1999
filing date -
Jan 29, 1998
priority date (Note) -
Expired
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Abstract
A method for removal of organic contaminants from solid particulate soil contaminated with the organic contaminants. 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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