B - Operations – Transporting – 09 – C
Patent
B - Operations, Transporting
09
C
B09C 1/08 (2006.01)
Patent
CA 2639401
A method for reducing the leachable metal content of contaminated soils. A mixture is prepared of lignum derivatives, such as lignosulfonates and kraft lignin, a coagulant, such as a metal salt, and a pH-increasing composition. The mixture is blended with the contaminated soil.
Procédé permettant de réduire la teneur en métaux lixiviables des sols contaminés. On prépare un mélange de dérivés de gaïac, tels que des lignosulfonates et du thiolignine, d'un coagulant tel qu'un sel de métal, et d'une composition augmentant le pH. La composition est mélangée avec le sol contaminé .
Noram Engineering And Constructors Ltd.
Oyen Wiggs Green & Mutala Llp
Zhuang J. Ming
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