Method of remediating heavy metal-containing soil
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United States of America Patent
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Apr 22, 2003
Grant Date -
Feb 28, 2002
app pub date -
Jul 3, 2001
filing date -
Jul 4, 2000
priority date (Note) -
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Abstract
A method of remediating soil that contains heavy metals comprises the steps of removing and sieving heavy metal-containing soil to separate stones and gravel, and treating the sieved soil, in a thin layer kept in a strongly turbulent state, with a solution of an alkali sulfide at a temperature of at least 50.degree. C.
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Cited Art Landscape
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