C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
C09K 3/32 (2006.01) B09C 1/02 (2006.01)
Patent
CA 2290290
A remediation composition for cleaning a soil mass and ground water contaminated with an organic contaminant and for reducing emanation of foul air from contaminated sites. The composition comprises an aqueous carrier, TRITON X-100 as a first surfactant, and a second surfactant which is selected from a group of surfactants consisting of TRITON X-15 5 and TRITON X- 190. In presence of certain hydrocarbon, a total contaminant-emulsifying capacity of the remediation composition is greater than a sum of the contaminant-emulsifying capacities of the first and second surfactants. In another aspect of the present invention, surfactants TRITON X-15. TRITON X-35 and TRITON X-45 are used in association with TRITON X-100 such that their miscibilities with an aqueous carrier in the presence of TRITON X-100 is greater than their solubilities with the aqueous carrier alone. In yet another aspect of the invention, the remediation solutions are applied in situ to a contaminated site and the ground water table in the contaminated soil is repeatedly raised above and lowered below the contaminated region during the entire remediation process.
Ivey George A.
P. Eng. Theriault Mario D.
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