Method of treating stormwater runoff and domestic waste with...

Details Method of treating stormwater runoff and domestic waste with... Method of treating stormwater runoff and domestic waste with...

2007-12-25

2007-12-25

Barry, Chester T. (Department: 1724)

Liquid purification or separation

Processes

Ion exchange or selective sorption

C210S691000, C210S164000

Reexamination Certificate

active

11425855

ABSTRACT:
A method of treating wastewater, and more particularly stormwater runoff or domestic waste, wherein the wastewater is directed through a high carbon ash particulate. Contaminants such as phosphorus, nitrogen, BOD and COD can be removed. In addition, treatment of the stormwater runoff or domestic waste with ash will raise the pH of the wastewater, generally to above 10, killing bacteria contained in the wastewater.

REFERENCES:
patent: 4280913 (1981-07-01), Applegate et al.
patent: 6755905 (2004-06-01), Oates et al.
patent: 7025887 (2006-04-01), Kirts et al.
patent: 7186333 (2007-03-01), Kluge

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