Soil treatment method

B - Operations – Transporting – 09 – C

Patent

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Details

B09C 1/00 (2006.01) B09C 1/08 (2006.01)

Patent

CA 2690726

A method for treating soil at a site contaminated with organic contaminants, comprises: (a) determining site characteristics, and sampling a volume of soil; (b) determining soil characteristics, and identifying and quantifying contaminants; (c) selecting a treatment composition appropriate to the contaminants and soil and site characteristics; (d) calculating an effective amount of treatment composition appropriate to the contaminants and soil and site characteristics, and in the range of from 2% to 12% by weight, relative to the weight of soil being treated; (e) excavating a volume of contaminated soil from the site; (f) combining the effective amount of treatment composition with the excavated soil; (g) mechanically mixing the excavated soil with the treatment composition; and (h) aerating the treated soil; and optionally: (i) conditioning the treated soil; and at least one of: (j) back-filling the site with the treated soil; (k) storing the treated soil; (l) disposing of the treated soil; and/or (m) transporting said treated soil for use at a further site.

L'invention porte sur un procédé pour le traitement du sol au niveau d'un site contaminé par des contaminants organiques. Ce procédé comprend : (a) la détermination de caractéristiques de site et l'échantillonnage d'un volume de sol; (b) la détermination de caractéristiques de sol et l'identification et la quantification de contaminants; (c) la sélection d'une composition de traitement appropriée pour les contaminants et les caractéristiques de sol et de site; (d) le calcul d'une quantité efficace de composition de traitement appropriée pour les contaminants et les caractéristiques de sol et de site, et dans la plage de 2 % à 12 % en poids, par rapport au poids du sol qui est traité; (e) l'extraction d'un volume de sol contaminé à partir du site; (f) la combinaison de la quantité efficace de composition de traitement avec le sol encavé; (g) le mélange mécanique du sol encavé avec la composition de traitement; et (h) l'aération du sol traité; et facultativement : (i) le conditionnement du sol traité; et au moins l'un parmi : (j) le remblayage du site par le sol traité; (k) le stockage du sol traité; (l) le rejet du sol traité; et/ou (m) le transport dudit sol traité pour une utilisation à un autre site.

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