U-235 Archives - Oak Ridge Today

For members: Companies have agreement to make nuclear fuel

Posted at 11:31 am November 14, 2019
By John Huotari Leave a Comment

X-energy-TRISO-Carbonization-and-Heat-Treatment-Furnace — The carbonization and heat treatment furnace used to produce TRISO fuel, a uranium fuel, at a pilot production facility at Oak Ridge National Laboratory. (Photo courtesy X-energy)

Note: This story was updated at 12:15 p.m.

A company that has a trial fuel fabrication facility at Oak Ridge National Laboratory is collaborating with a joint venture led by GE with Hitachi to produce nuclear fuel for the U.S. Department of Defense and NASA.

The carbonization and heat treatment furnace used to produce TRISO fuel, a high-assay, low-enriched uranium fuel, at a pilot production facility at Oak Ridge National Laboratory. (Photo courtesy X-energy)

The company, X-energy of Rockville, Maryland, announced the collaboration with Global Nuclear Fuel on November 6.

The two companies have an agreement to develop high-assay, low-enriched uranium TRISO fuel. The fuel could be used in defense micro-reactors and by NASA for nuclear thermal propulsion, a press release said.

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DOE disposing of uranium-233 waste stored at ORNL

Posted at 7:55 pm August 27, 2017
By John Huotari Leave a Comment

During training, workers removed a type of shipping cask that was expected to be used to transport 403 canisters of uranium-tainted waste from Oak Ridge National Laboratory to Nevada National Security Site northwest of Las Vegas. (File photo courtesy U.S. Department of Energy/Office of Environmental Management)

This story was updated at 5 p.m. Aug. 30.

They haven’t agreed on a final budget number, but the Trump administration and the U.S. House and Senate have proposed spending between about $33 million and $52 million in the next fiscal year to continue disposing of uranium-233 waste materials that are stored at Oak Ridge National Laboratory in a building that is the oldest continuously operating nuclear facility in the U.S. Department of Energy complex.

The uranium-233, or U-233, waste is now stored in secure vaults in Building 3019, which was built in the 1940s at ORNL. Removing the waste could allow ORNL to relax its overall security posture, which will reduce costs, eliminate nuclear safety issues, and make the campus more conducive to collaborative science, according to a U.S. Senate Appropriations Committee report published in July.

Some of the waste is from a 1960s research and development test in New York, and it is being shipped to the Nevada National Security Site, a former nuclear weapons proving ground about 65 miles northwest of Las Vegas. In interviews this summer, DOE officials in Oak Ridge declined to discuss the amount of that waste that has been shipped to Nevada or to say how long the shipments might continue. But they are making progress, said Jay Mullis, acting manager of DOE’s Oak Ridge Office of Environmental Management.

Once all of those materials are shipped, the remaining U-233 at ORNL will be treated in “hot cell” facilities across the street from Building 3019, at Building 2026. The DOE’s Oak Ridge Office of Environmental Management owns both buildings.

Mullis said there is other U-233 waste stored in Building 3019, including from glovebox research at ORNL, from reactor plates, and from conglomerate materials. [Read more…]

Y-12 helps NNSA, others eliminate weapons-grade uranium from Indonesia

Posted at 1:38 pm August 29, 2016
By Oak Ridge Today Staff Leave a Comment

Anne Harrington

The Y-12 National Security Complex in Oak Ridge has helped the National Nuclear Security Administration and other agencies eliminate weapons-grade nuclear material from Indonesia, a press release said.

The material was eliminated by “down-blending” highly enriched uranium, or HEU, to low enriched uranium, or LEU. Unlike HEU, LEU cannot be used to make an improvised nuclear device, a press release said.

The work to eliminate the HEU from Indonesia was done through a collaboration between the U.S. Department of Energy’s National Nuclear Security Administration, or DOE/NNSA; Indonesian Nuclear Industry LLC, or PT INUKI; the National Nuclear Energy Agency, or BATAN; and the Nuclear Energy Regulatory Agency, or BAPETEN, of the Republic of Indonesia.

Indonesia is the 30th country plus Taiwan to be declared free of HEU. That’s defined as possessing less than one kilogram of HEU in a country. Indonesia joins fellow Southeast Asian countries Thailand, Vietnam, and the Philippines in working with DOE/NNSA to eliminate all of its weapon-usable nuclear material, an NNSA press release said.

“With this most recent milestone, the entire region of Southeast Asia is now free of HEU,” the press release said. [Read more…]

For members: Companies have agreement to make nuclear fuel

DOE disposing of uranium-233 waste stored at ORNL

Y-12 helps NNSA, others eliminate weapons-grade uranium from Indonesia

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