Patent ID: 8158007
Filing Date: 2012-04-17
Classification: B01D,B03C,G01N

Abstract:
1. A method for magnetically assisted extraction of a target substance from an aqueous solution containing a plurality of components, the method comprising: mixing a surfactant and functional magnetic particles having affinity for the target substance into the aqueous solution containing the target substance so as to bind the target substance to the functional magnetic particles and form a particle-containing single-phase aqueous surfactant solution; transitioning the particle-containing single-phase aqueous surfactant solution to a two-phase state, a first particle- and surfactant-containing disperse phase being formed within a surrounding second phase, an absorption capacity of the first particle- and surfactant-containing disperse phase being lower for unbound dissolved functional magnetic particles than that of the surrounding second phase; separating the first particle- and surfactant-containing disperse phase and the surrounding second phase using a magnetic field; and separating the first particle- and surfactant-containing disperse phase.