Patent ID: 6096222
Filing Date: 2000-08-01
Classification: C02F,Y10S

Abstract:
A method for removing pollutants from a waste stream wherein said pollutants include at least one of hydrocarbon and metal salt contaminants, which includes the steps of:providing a bed of finely divided iron in a receptacle;finely divided iron in said bed being at least one of steel wool and iron nodules;passing said waste stream into said receptacle containing said finely divided iron;immersing a pair of carbon electrodes in said bed in said waste stream;impressing a voltage between said electrodes;whereby said finely divided iron in said receptacle is activated to form precipitates when said waste stream is passed through said receptacle and wherein said precipitates contain iron and said at least one of hydrocarbon and metal salt contaminants;passing said waste stream through a filter whereby said precipitates are separated from decontaminated water.