METHOD FOR TREATING RADIOACTIVE LIQUID WASTE AND APPARATUS FOR TREATING THE SAME
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United States of America Patent
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Issued Date -
Jan 26, 2012
app pub date -
Feb 22, 2010
filing date -
Apr 8, 2009
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Abandoned
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Abstract
A method for treating a radioactive liquid waste containing a sodium salt is described, including: a liquid waste reducing step of partially reducing sodium nitrate contained in a radioactive liquid waste to convert the radioactive liquid waste into a reduced solution containing at least one of sodium hydroxide, sodium hydrogencarbonate, and sodium carbonate; and an electrodialysis step of performing electrodialysis of the reduced solution by supplying the reduced solution to an anode chamber of an electrolytic cell, the electrolytic cell including an anode and a cathode disposed on both sides of a permeable membrane which a sodium ion selectively permeates.
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