| 摘要 |
A process for the decontamination of materials such as soil, sediments and sludges contaminated with organic contaminants such as PCB's. The process comprises leaching a mixture of solids, water and contaminant in a three step process with solvents to obtain contaminated solvent and water and a mixture of decontaminated solids and solvent. The contaminant is stripped from the contaminated leaching solvent with a stripping solvent to concentrate the contaminants.
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