Patent ID: 6132561
Filing Date: 2000-10-17
Classification: B01D,B01F,B01J,B09C,C02F

Abstract:
A process for seperating water-insoluble organic compounds from soil, sludge, slurry, sediment material, or mixtures thereof, comprising the steps ofcontacting 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 that is compatible with radiolytic dehalogenation,contacting said soil mixture 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, andsubjecting said extraction medium to ionizing radiation.