Poultice method for extracting hazardous spills

Details Poultice method for extracting hazardous spills Poultice method for extracting hazardous spills

B - Operations, Transporting

08

B

149/5

B08B 3/08 (2006.01) B09C 1/00 (2006.01) C09D 9/00 (2006.01)

Patent

CA 1196559

ABSTRACT Chemicals spilled on porous surfaces may be removed therefrom by applying to the spill site a poultice in the form of a slurry or paste of finely divided particulate material dispersed in a volatile solvent in which the spilled chemical substance is soluble, allowing the solvent to be absorbed into the porous substrate. The poultice is then allowed to dry, thereby effecting a wicking action causing extraction of the chemical substance from the substrate into the poultice.

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