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Extra resources for An International Spent Nuclear Fuel Storage Facility Exploring a Russian Site as a Prototype
All rights reserved. html 22 AN INTERNATIONAL SPENT NUCLEAR FUEL STORAGE FACILITY IV. In support of the initiative of President Vladimir Putin, work on innovative projects has recently been included in the International Project on Innovative Nuclear Reactors and Fuel Cycles (INPRO) project of the International Atomic Energy Agency (IAEA). International cooperation in this area is developing actively, for which we can only be glad. In working on current types of reactors we are eliminating old mistakes, but we must not make new ones when questions of the end stage of the nuclear fuel cycle are pushed into the background.
Although separating out the uranium has a definite benefit for a repository, a major problem with PUREX is that the plutonium is partitioned out, which poses a proliferation risk. Recently DOE has pursued a different aqueous chemical treatment technology called UREX, which enhances the proliferation resistance of the spent fuel by separating out the uranium, while at the same time, keeping the plutonium combined with other radioactive species. In an even more advanced process called UREX+, selected actinides and fission products can be separated out in various combinations after the uranium has been removed; for example, mixtures of plutonium and certain of the minor actinides could be partitioned together to enhance the proliferation resistance of the plutoniumcontaining material.
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