Patent ID: 6568879
Filing Date: 2003-05-27
Classification: B01D,B01F,B01J,B09C,C02F

Abstract:
A process for separating water-insoluble organic compounds from a soil, sludge, slurry, sediment material, or mixtures thereof, comprising the steps of:contacting a material containing water insoluble organic compounds with a solvent extraction medium for sufficient time to solubilize a substantial portion of said organic compounds into said medium and form a treated mixture, wherein said solvent medium comprises a mixture of a liquid alkane and an alcohol, said alcohol being compatible with radiolytic dehalogenation; contacting said soil, sludge, slurry, sediment material or mixtures thereof with a sufficient amount of water to separate a substantial portion of said extraction medium from said treated mixture, whereby said extraction medium containing dissolved organic compounds rises to the surface of said water; separating said extraction medium from said water; wherein said alcohol is isopropyl alcohol, t-butanol or mixtures thereof.