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Composite media for ion processing and a method for making the composite media

United States Patent Application

20040122141
A1
View the Complete Application at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
A composite medium including at least one trialkyl methylammonium compound homogenously dispersed in a polyacrylonitrile matrix. The composite medium may be formed into beads or may be impregnated into a substrate and used in an ion processing element. The at least one trialkyl methylammonium compound may comprise trialkyl methylammonium nitrate or trialkyl methylammonium chloride and may be present from approximately 5% by weight to approximately 30% by weight. The polyacrylonitrile may be present in the composite medium from approximately 70% by weight to approximately 95% by weight. A method of forming the composite medium is also disclosed, as is a method of removing a constituent from a fluid stream.
Todd, Terry A. (Aberdeen, ID), Mann, Nicholas R. (Blackfoot, ID), Tranter, Troy J. (Idaho Falls, ID), Sebesta, Ferdinand (Prauge, CZ)
10/ 731,836
December 8, 2003
[0002] The United States Government has rights in the following invention pursuant to Contract No. DE-AC07-991D13727 between the U.S. Department of Energy and Bechtel BWXT Idaho, LLC.