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Test reactor would help with decarbonization, supporters say

Posted at 3:55 pm November 23, 2022
By John Huotari Leave a Comment

Kairos Power has proposed a Hermes test reactor at the Heritage Center, the former K-25 site in west Oak Ridge. A model of the test reactor is pictured at a U.S. Nuclear Regulatory Commission meeting in Oak Ridge on Wednesday, Nov. 16, 2022. (Photo by John Huotari/Oak Ridge Today)

Note: This story was updated at 11:20 a.m. Dec. 1.

A nuclear test reactor proposed in west Oak Ridge could help as the United States tries to lower carbon dioxide emissions and reduce the effects of climate change, supporters said during a public meeting last week.

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Filed Under: Business, Federal, Front Page News, Government, Government, Oak Ridge, Premium Content, Slider Tagged With: construction permit, DOE, EIS, environmental impact statement, fluoride salt-cooled reactor, HALEU, Heritage Center, Hermes, Hermes test reactor, high-assay low-enriched uranium, Jim Hopf, K-31, K-33, Kairos Power, Molten Salt Reactor Experiment, NRC, Oak Ridge National Laboratory, Peyton Doub, Scott Burnell, test reactor, Tracy Boatner, TRISO, U.S. Department of Energy, U.S. Nuclear Regulatory Commission

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

ORNL nuclear engineer selected for national reactor development position

Posted at 3:56 pm July 26, 2017
By Oak Ridge National Laboratory Leave a Comment

The U.S. Department of Energy’s Office of Nuclear Energy has selected ORNL’s Lou Qualls to serve as national technical director for molten salt reactors. (Photo courtesy DOE/ORNL)

The U.S. Department of Energy’s Office of Nuclear Energy has selected ORNL’s Lou Qualls to serve as national technical director for molten salt reactors. (Photo courtesy DOE/ORNL)

 

By Jason Ellis, ORNL Communications

The U.S. Department of Energy’s Office of Nuclear Energy has selected Lou Qualls of Oak Ridge National Laboratory as the national technical director for molten salt reactors, or MSRs. In his new role, Qualls—a nuclear engineer who joined ORNL in 1988—will serve as a liaison among the nuclear industry, the national laboratory system, and DOE in defining the future of MSR technology in the United States.

The new position was created in response to the private sector’s growing interest in MSRs as the next generation of power reactors. A significant number of nuclear plants are expected to close beginning in 2030, with most closed by 2045, as their operating licenses from the Nuclear Regulatory Commission expire. Various companies are pursuing new reactor designs to replace this loss of nuclear energy, which is the nation’s largest source of carbon-free energy and represents approximately one-fifth of electricity generated in the United States.

“There are about 10 U.S. companies developing MSR designs in hopes of seeing their technologies make it onto the grid,” Qualls said. “My job is to work with these vendors and DOE to understand how each design could fit into the energy market and to identify hurdles that could prevent these reactors from ever delivering electricity. It’s a positive step that shows the level of excitement from industry, DOE, and the national labs.” [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Top Stories, U.S. Department of Energy Tagged With: advanced reactor designs, advanced reactor technologies, DOE, Jason Ellis, Lou Qualls, Molten Salt Reactor Experiment, molten salt reactors, MSRs, nuclear industry, Nuclear Regulatory Commission, Oak Ridge National Laboratory, Office of Nuclear Energy, ORNL, power reactors, U.S. Department of Energy

ORNL, Shanghai Institute of Applied Physics cooperate on salt-cooled reactors

Posted at 7:48 pm March 22, 2015
By Oak Ridge National Laboratory Leave a Comment

ORNL and SINAP Salt-cooled Test Reactors

Representatives from Oak Ridge National Laboratory and the Shanghai Institute of Applied Physics (SINAP) met at ORNL to discuss plans for building a salt-cooled test reactor. Pictured in front of ORNL’s molten salt test loop are (from left) David Felde, ORNL; Yang Zou, SINAP; Guanyuan Wu, SINAP; Xiaohan Yu, SINAP; Naxiu Wan, SINAP; Zhimin Dai, SINAP; David Holcomb, ORNL; Kun Chen, SINAP; Kevin Robb, ORNL; Mike Laufer, University of California at Berkeley; Guimin Liu, SINAP; and Weiju Ren, ORNL. (Photo courtesy ORNL)

 

Representatives from Oak Ridge National Laboratory and Shanghai Institute of Applied Physics met at ORNL last week as part of an agreement between the two institutions to work together on the advancement of salt-cooled nuclear reactor technologies.

At the meeting, SINAP staff members were expected to describe their plans for building the first salt-cooled test reactor, and the two sides began planning the next steps in the shared research project.

The Cooperative Research and Development Agreement, or CRADA, between ORNL and SINAP focuses on accelerating scientific understanding and technical development of salt-cooled reactors, specifically fluoride salt-cooled high-temperature reactors, or FHRs. The project will draw on ORNL’s expertise in fuels, materials, instrumentation and controls, design concepts, and modeling and simulation for advanced reactors, as well as the lab’s experience in the design, construction and operation of the Molten Salt Reactor Experiment, the only molten salt reactor ever built. [Read more…]

Filed Under: Front Page News, Oak Ridge National Laboratory, Top Stories, U.S. Department of Energy Tagged With: Advanced Reactor Technologies Program, CAS, Chinese Academy of Sciences, cooperative research and development agreement, CRADA, DOE, FHR, FHR test reactor, fluoride salt-cooled high-temperature reactors, memorandum of understanding, Molten Salt Reactor Experiment, Nuclear Energy Sciences and Technologies Cooperation, Oak Ridge National Laboratory, Office of Nuclear Energy, ORNL, salt-cooled nuclear reactor, salt-cooled reactors, Shanghai Institute of Applied Physics, SINAP, test reactor, U.S. Department of Energy

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Classifieds

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...]

Public notice: Draft environmental assessment for Y-12 Development Organization at Horizon Center

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

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