Patent ID: 6764603
Filing Date: 2004-07-20
Classification: B01D,C02F

Abstract:
A method for the extraction of hydrophobic constituents from an aqueous solution, comprising the steps of:a. contacting said solution with a porous, dimensionally stable granular or powdery material, of which the pores have a size of from 0.1 to 50 &mgr;m and contain an immobilized hydrophobic substance with affinity for the hydrophobic constituents to be extracted, which granular or powdery material has a particle size of from 0.1 to 10 mm, and is wetted more readily by the hydrophobic substance immobilized in the pores than by the aqueous solution to be treated, and b. regenerating the product of step a), essentially without the granular or powdery material being freed from the hydrophobic substance, by removal of the hydrophobic constituents.