Patent ID: 8845894
Filing Date: 2014-09-30
Classification: B01D,B03C,C02F

Abstract:
1. A flocculation-magnetic separation system comprising a flocculation section generating magnetic flocks by adding flocculant agents and magnetic powders to wastewater that is a target to be treated, and a magnetic separation section separating the generated magnetic flocks by magnetic force, the flocculation-magnetic separation system being adapted to remove from the wastewater substances to be eliminated, by separating the magnetic flocks, wherein the flocculation-magnetic separation system includes: a magnetic material recovery section breaking down the separated magnetic flocks by shearing force to recover magnetic materials; a recovered magnetic material returning line returning the recovered magnetic materials to the flocculation section; and a control section measuring at least one of a zeta potential and a magnetization amount of the recovered magnetic materials returned, and controlling an addition amount of the flocculant agents based on the measured result of the recovered magnetic materials returned.