weapons plutonium การใช้

• Such rapid fuel cycles are highly impractical for civilian power reactors and are normally only carried out with dedicated weapons plutonium production reactors.
• The United States is sending " a message . . . that commerce in weapons plutonium is acceptable, " said Clements.
• Using the weapons plutonium in reactors leaves the remaining plutonium mingled with highly radioactive waste, requiring any recovery to use a sophisticated chemical processing plant.
• The energy department is also trying to persuade the Russians to approve the Start 2 treaty and help the Russians secure their surplus weapons plutonium and uranium.
• O'Leary also promised that conversion of the weapons plutonium into reactor fuel would occur in a factory that would be owned or leased by the government.
• But the civilian nuclear industry in this country still favors using the old weapons plutonium as fuel, and a dozen utilities have expressed interest in doing the job.
• The Clinton administration believes that the dual track approach for eliminating excess U . S . weapons plutonium stockpiles best serves our arms reduction and non-proliferation goals,
• "The department continues to rely on the irradiation of MOX fuel to eliminate surplus U . S . weapons plutonium, " said the DOE statement.
• If they do go ahead, the Russian engineers envisage keeping the weapons plutonium in storage for the next few decades and using their existing surplus of reactor-grade plutonium instead.
• But the Energy Department wants to help the Russians build a fuel fabrication plant, to consume the weapons plutonium; that could stimulate the reprocessing business, some nongovernment experts say.
• Amount of fissile material needed could be a limiting factor to very widespread deployment of fast reactors, if stocks of surplus weapons plutonium and LWR spent fuel plutonium are not sufficient.
• Axworthy insists that Canada is determined to test the feasibility of using weapons plutonium as nuclear fuel in an experimental burn at the Chalk River reactor in Ontario, as early as this month.
• Of the 270 or so metric tons of weapons plutonium in the world, perhaps as many as 200 tons are slated to become surplus in the next few years as nuclear disarmament moves forward.
• The thorium reactor could also be useful for burning up surplus weapons plutonium _ the United States has at least 50 tons of it _ without producing nearly as much new plutonium as existing reactors do.
• Some of the plutonium that was to have been mixed with wastes is unsuitable for conversion to reactor fuel; the Bush administration will have to find two tons of weapons plutonium to satisfy the agreement with the Russians.
• She promised that after the fuel had been run through reactors, which destroys most of the weapons plutonium but converts uranium into new plutonium, the fuel would be disposed of without being chemically processed to recover the new plutonium.
• Wednesday, President Clinton, trying to win a permanent global ban on the spread of nuclear arms, ordered substantial cuts in U . S . stockpiles of weapons plutonium but did not say what would become of the deadly substance.
• Private experts say up to 200 metric tons of weapons plutonium could become surplus in the next few years as nuclear disarmament moves forward, and that fact has prompted various proposals for its burial and, more recently, worries about the possible consequences.
• Five years ago, the Energy Department, which manages the nuclear stockpile, set out to get rid of 52.5 tons of weapons plutonium as part of a deal with Russia, which agreed to remove the same amount from its stockpile.
• Some nuclear scientists believe that so-called mixed-oxide, or MOX, fuel bundles, made from weapons plutonium and uranium oxide, will make an ideal fuel for Canada's unique Candu reactors, which the country vigorously seeks to sell abroad.