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Method and system for producing hydrogen using sodium ion separation membranes

United States Patent

May 21, 2013
View the Complete Patent at the US Patent & Trademark Office
Idaho National Laboratory - Visit the Technology Transfer and Commercialization Office Website
A method of producing hydrogen from sodium hydroxide and water is disclosed. The method comprises separating sodium from a first aqueous sodium hydroxide stream in a sodium ion separator, feeding the sodium produced in the sodium ion separator to a sodium reactor, reacting the sodium in the sodium reactor with water, and producing a second aqueous sodium hydroxide stream and hydrogen. The method may also comprise reusing the second aqueous sodium hydroxide stream by combining the second aqueous sodium hydroxide stream with the first aqueous sodium hydroxide stream. A system of producing hydrogen is also disclosed.
Bingham; Dennis N. (Idaho Falls, ID), Klingler; Kerry M. (Idaho Falls, ID), Turner; Terry D. (Idaho Falls, ID), Wilding; Bruce M. (Idaho Falls, ID), Frost; Lyman (Midway, UT)
Battelle Energy Alliance, LLC (Idaho Falls, ID)
12/ 632,058
December 7, 2009
GOVERNMENT RIGHTS This invention was made under a Cooperative Research and Development Agreement between Alberta Limited and Battelle Energy Alliance, LLC under Contract No. DE- AC07-051D14517, awarded by the U.S. Department of Energy. The U.S. Government has certain rights in the invention.