Mixed oxide or MOX fuel uses more than one oxide of fissile material. Uranium can be one, plutonium another. The United States wants to use 34 metric tons of weapons-grade plutonium in commercial MOX fuel. No plant currently uses it though most could adapt to its particularities– more fuel rods are bundled together than in an uranium powered reactor, for example. Arizona’s Palo Verde plant can use MOX fuel without adaptation, though it has never done so. CANDU reactors (which do not operate in the United States) can also use MOX fuel as is. But the first step is to fabricate the mixed oxide fuel. That will be the job of a facility the government is building at its Savannah River site in South Carolina. Construction on the MOX Fuel Fabrication Facility began in 2006 and is about 60 percent complete – and will be completed if the government doesn’t pull the plug on it (this is on page 77). Following a year-long review of the plutonium disposition program, the Budget provid...
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