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Treatment of arsenic-contaminated water using akaganeite adsorption

United States Patent

January 1, 2008
View the Complete Patent at the US Patent & Trademark Office
The present invention comprises a method and composition using akaganeite, an iron oxide, as an ion adsorption medium for the removal of arsenic from water and affixing it onto carrier media so that it can be used in filtration systems.
Cadena C.; Fernando (Las Cruces, NM), Johnson; Michael D. (Las Cruces, NM)
Arrowhead Center, Inc. (Las Cruces, NM)
10/ 818,552
April 5, 2004
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of Grant No. DE-FC04-01AL67403 awarded by WERC/U.S. Department of Energy.