IN SITU CLEANUP OF VOCs CONTAMINATED COHESIVE SOIL BY LIME MIXING

IN SITU CLEANUP OF VOCs CONTAMINATED COHESIVE SOIL BY LIME MIXING

This paper involves a small scale experiment in laboratory of the lime mixing process, and an in-situ cleanup execution by DJM (Dry Jet Mixing) method with lime for contamined cohesive soil with VOCs. Temperature of the improved subsoil rose to about 80°C by mixing with 100-150kg of lime per m3 of c...

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Veröffentlicht in:Doboku Gakkai Ronbunshu 1996/09/20, Vol.1996(546), pp.113-123
Hauptverfasser: Higaki, Kanji, Iwasaki, Takao, Sueoka, Tohru, Nagatoh, Tetsuo
Format: Artikel
Sprache:eng
Schlagworte:
clean-up
deep mixing method
dry jet mixing method
lime stabilization
remediation
surface soil mixing method
volatile organic compounds
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Beschreibung
Zusammenfassung:This paper involves a small scale experiment in laboratory of the lime mixing process, and an in-situ cleanup execution by DJM (Dry Jet Mixing) method with lime for contamined cohesive soil with VOCs. Temperature of the improved subsoil rose to about 80°C by mixing with 100-150kg of lime per m3 of cohesive soil, and the recovery rate of contaminants came to more than 95% within two cycles of penetration-withdrawing path of mixing blade, and none of residual content were able to exceed the environmental quality standard.
ISSN:0289-7806
1882-7187
DOI:10.2208/jscej.1996.546_113