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Methods of using adsorption media for separating or removing constituents

United States Patent

October 25, 2011
View the Complete Patent at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
Nano-Composite Arsenic Sorbent
Methods of using an adsorption medium to remove at least one constituent from a feed stream. The method comprises contacting an adsorption medium with a feed stream comprising at least one constituent and removing the at least one constituent from the feed stream. The adsorption medium comprises a polyacrylonitrile (PAN) matrix and at least one metal hydroxide homogenously dispersed therein. The adsorption medium may comprise from approximately 15 wt % to approximately 90 wt % of the PAN and from approximately 10 wt % to approximately 85 wt % of the at least one metal hydroxide. The at least one metal hydroxide may be selected from the group consisting of ferric hydroxide, zirconium hydroxide, lanthanum hydroxide, cerium hydroxide, titanium hydroxide, copper hydroxide, antimony hydroxide, and molybdenum hydroxide.
Tranter; Troy J. (Idaho Falls, ID), Herbst; R. Scott (Idaho Falls, ID), Mann; Nicholas R. (Blackfoot, ID), Todd; Terry A. (Aberdeen, ID)
Battelle Energy Alliance, LLC (Idaho Falls, ID)
11/ 941,428
November 16, 2007
GOVERNMENT RIGHTS This invention was made with government support under Contract No. DE-AC07-99ID13727 and Contract No. DE-AC07-05ID14517 awarded by the U.S. Department of Energy. The government has certain rights in this invention.