B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
23/364
B01D 11/02 (2006.01) B01D 11/04 (2006.01) B09B 3/00 (2006.01) B09C 1/02 (2006.01) C02F 1/26 (2006.01) A62D 3/00 (2006.01)
Patent
CA 1288217
ABSTRACT OF THE DISCLOSURE A process for the decontamination of materials such as soil, sediments and sludges contaminated with organic contaminants such as PCB's. The process comprises the steps of separating the material into a solid fraction and a liquid fraction when liquid is present leaching the solid fraction with a leaching solvent to obtain contaminated leaching solvent and a mixture of decontaminated solids and leaching solvent and stripping the contaminant, from the contaminated leaching solvent with a stripping solvent to concentrate the contaminants. When liquid is present in the material, adsorbing residual contaminants from the liquid fraction are adsorbed onto decontaminated solids to produce decontaminated liquids and contaminated solids. 24
550572
Kirby Eades Gale Baker
Steiner Werner
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