Patent ID: 7326284
Filing Date: 2008-02-05
Classification: B01D,F24F,Y02A

Abstract:
1. A contamination control system comprising: a spray unit having a plurality of nozzles for spraying circulating water; at least one eliminator for trapping the circulating water that captures contaminants in a flow of air and for dropping the circulating water including the contaminants into a tank; and a water circulation unit for providing the circulating water that includes an additive for controlling a pH of the circulating water to the spray unit, wherein the additive comprises a photocatalyst, and wherein at least one of the plurality of nozzles is disposed in the at least one eliminator; a filter for recovering the photocatalyst in the circulating water that is discharged from the water circulation tank, a pH control unit including an ion exchanger for controlling the pH of the circulating water; and a organic removal unit including an organic resin for removing an organic substance in the circulating water.