Process for the removal of organic contaminants from solids

Details Process for the removal of organic contaminants from solids Process for the removal of organic contaminants from solids

1988-04-15

1989-09-26

Hruskoci, Peter

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

134 12, 134 251, 134 255, 134 26, 134 42, 210772, 210908, 210909, B01D 1104

Patent

active

048698253

ABSTRACT:
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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