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DOE makes upgrades to Molten Salt Reactor Experiment

Posted at 11:49 pm February 2, 2022
By Oak Ridge Today Staff Leave a Comment

An aerial view of the Molten Salt Reactor Experiment. The facility was shut down in 1973, and the Oak Ridge Office of Environmental Management is responsible for keeping it in a safe mode until its demolition is scheduled. (Photo courtesy DOE EM)

The U.S. Department of Energy is upgrading a historic reactor in Oak Ridge to keep the facility safe until it can be demolished.

The reactor, the Molten Salt Reactor Experiment, is at Oak Ridge National Laboratory, and it was shut down nearly 50 years ago. At some point, the MSRE will be deactivated, and that will save about $5 million in annual operating costs, a press release said.

The work is being overseen by the DOE Oak Ridge Office of Environmental Management.

“We have the important responsibility of keeping it safe until major cleanup operations begin,” said Nathan Felosi, EM’s ORNL portfolio federal project director. “The latest round of projects is making sure that’s the case and achieving considerable cost savings to taxpayers.”

[Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Oak Ridge Office of Environmental Management, Top Stories, U.S. Department of Energy Tagged With: DOE, Molten Salt Reactor Experiment, MSRE, Nathan Felosi, nuclear reactor, Oak Ridge National Laboratory, Oak Ridge Office of Environmental Management, ORNL, U.S. Department of Energy, UCOR, uranium-233, uranium-235

Crews start project to reduce maintenance, operations costs at Molten Salt Reactor

Posted at 8:38 pm January 22, 2019
By John Huotari Leave a Comment

The Molten Salt Reactor Experiment building at Oak Ridge National Laboratory housed the reactor and offices for operating personnel. The facility was constructed in the 1950s for a nuclear aircraft project and was later expanded significantly and retrofitted to accommodate the MSRE. (Photo courtesy U.S. Department of Energy/Oak Ridge National Laboratory)

The Molten Salt Reactor Experiment building at Oak Ridge National Laboratory housed the reactor and offices for operating personnel. The facility was constructed in the 1950s for a nuclear aircraft project and was later expanded significantly and retrofitted to accommodate the MSRE. (Photo courtesy U.S. Department of Energy/Oak Ridge National Laboratory)

 

Cleanup crews started a $4.7 million project this month to reduce maintenance and operations costs at the Molten Salt Reactor Experiment, which was shut down 50 years ago at Oak Ridge National Laboratory.

The project is expected to save nearly $25 million in costs, the U.S. Department of Energy Office of Environmental Management said in an “EM Update” published Tuesday.

The cost-reduction project will relocate employees stationed at the decades-old facility. Personnel currently housed in the building will move to other site locations to help with other projects, the “EM Update” said.

The project is expected to enhance the facility’s electrical distribution, sump pump, fire suppression, and monitoring systems.

“Although it was shut down 50 years ago, certain systems within the reactor building have continued to operate to keep the facility safe and stable until it can be demolished,” said the “EM Update,” with the Oak Ridge story contributed by Mike Butler. [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Oak Ridge Office of Environmental Management, ORNL, Slider, U.S. Department of Energy Tagged With: Alvin Weinberg, Bill McMillan, DOE, DOE Office of Environmental Management, EM, Jay Mullis, Molten Salt Reactor Experiment, MSRE, Oak Ridge National Laboratory, Oak Ridge Office of Environmental Management, ORNL, U.S. Department of Energy, UCOR

A great technical achievement, Molten Salt Reactor could be entombed

Posted at 3:03 pm November 26, 2017
By John Huotari Leave a Comment

The Molten Salt Reactor Experiment building at Oak Ridge National Laboratory housed the reactor and offices for operating personnel. The facility was constructed in the 1950s for a nuclear aircraft project and was later expanded significantly and retrofitted to accommodate the MSRE. (Photo courtesy U.S. Department of Energy/Oak Ridge National Laboratory)

The Molten Salt Reactor Experiment building at Oak Ridge National Laboratory housed the reactor and offices for operating personnel. The facility was constructed in the 1950s for a nuclear aircraft project and was later expanded significantly and retrofitted to accommodate the MSRE. (Photo courtesy U.S. Department of Energy/Oak Ridge National Laboratory)

 

Note: This story was updated at 8:30 p.m.

Former director Alvin Weinberg once called it the greatest technical achievement at Oak Ridge National Laboratory. It was inspired by the campaign to build a nuclear-powered aircraft in the 1950s, and it was the first reactor to ever operate using uranium-233.

Now parts of the Molten Salt Reactor Experiment that are too radioactively “hot” for humans could be entombed in concrete.

For now, the idea is only under study, and there is no guarantee that any part of the Molten Salt Reactor Experiment, a nuclear historic landmark that has been dormant for decades, will be entombed.

But it’s one of the proposals being evaluated by the U.S. Department of Energy’s Oak Ridge Office of Environmental Management. The goal is to finish the evaluation by the end of the year.

Jay Mullis, manager of the Oak Ridge Office of Environmental Management, presented the proposal to the Oak Ridge City Council and Site Specific Advisory Board in two separate meetings earlier this month. The entombment proposal is one of five items being evaluated as part of a 45-day review started by DOE’s Environmental Management, or EM, program in June. [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Oak Ridge Office, ORNL, Slider, U.S. Department of Energy Tagged With: advanced nuclear reactor technologies, Alvin Weinberg, Atomic Energy Commission, Ben Williams, cesium, DOE, EM, environmental management, fluoride salts, fuel salt mixture, Glenn Seaborg, Jay Mullis, luoride salt-cooled high-temperature reactor, molten chloride fast reactors, molten salt, molten salt fuel, Molten Salt Reactor, Molten Salt Reactor Experiment, Molten Salt Reactor Workshop, MSRE, Oak Ridge City Council, Oak Ridge National Laboratory, Oak Ridge Office of Environmental Management, Oak Ridge Site Specific Advisory Board, ORNL, Paul Haubenreich, pebble bed high-temperature gas-cooled reactor, plutonium, rem, Roentgen equivalent man, strontium, U.S. Department of Energy, uranium, uranium-233

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Classifieds

Availability of the draft environmental assessment for off-site depleted uranium manufacturing (DOE/EA-2252)

The U.S. Department of Energy (DOE) National Nuclear Security Administration (NNSA) announces the … [Read More...]

Public Notice: NNSA announces no significant impact of Y-12 Development Organization operations at Horizon Center

AVAILABILITY OF THE FINAL ENVIRONMENTAL ASSESSMENT FOR THE OFFSITE HOUSING OF THE Y-12 DEVELOPMENT … [Read More...]

ADFAC seeks contractors for five homes

Aid to Distressed Families of Appalachian Counties (ADFAC) is a non-profit community based agency, … [Read More...]

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