The Decommissioning of Portsmouth’s X-326

November 14, 2022, 3:00PMRadwaste SolutionsGuest Contributor

In the 1950s, the U.S. Department of Energy constructed the Portsmouth Gaseous Diffusion Plant in rural southern Ohio to enrich uranium, alongside two other federally owned and managed facilities in Oak Ridge, Tenn., and Paducah, Ky. The Cold War-era plant was built as a self-sufficient industrial city with more than 400 buildings and facilities centered around three massive gaseous diffusion process buildings that could enrich the level of the uranium-235 isotope for nuclear fuel in the defense and energy sectors.

To continue reading, log in or create a free account!

Related Articles

Centrus to expand Oak Ridge facility

January 26, 2026, 9:38AMNuclear News

Centrus Energy Corp. is planning a major expansion of its Oak Ridge, Tenn., Technology and Manufacturing Center. The build-out would allow it to expedite large-scale deployment of...

Congress passes new nuclear funding

January 20, 2026, 3:37PMNuclear News

On January 15, in an 82–14 vote, the U.S. Senate passed an Energy and Water Development appropriations bill to fund the U.S. Department of Energy for fiscal year 2026 as part of a broader...