US 6,982,039 B1
Method for improving ultraviolet radiation disinfection of water using aqueous silver
Michael A. Butkus, Washingtonville, N.Y. (US); Jeffrey A. Starke, West Point, N.Y. (US); Michael P. Labare, New Paltz, N.Y. (US); and Michael B. Kelley, Northfield, Vt. (US)
Assigned to The United States of America as represented by the Secretary of the Army, Washington, D.C. (US)
Filed on Feb. 19, 2004, as Appl. No. 10/780,662.
Int. Cl. C02F 1/50 (2006.01)
U.S. Cl. 210—748 14 Claims
OG exemplary drawing
 
1. A method for treating water to disinfect pathogens, including the inactivation of viruses, comprising introducing silver ions to the water and thereafter exposing the silver ion-containing water to ultraviolet light having a fluence of about 1 mJ/cm2 to about 200 mJ/cm2.