gaseous diffusion


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gaseous diffusion

[¦gash·əs di′fyü·zhən]
(chemical engineering)
Pressure-induced free-molecular transfer of gas through microporous barriers as in the process of making fissionable fuel.
Selective solubility diffusion of gas through nonporous polymers by absorption and solution of the gas in the polymer matrix.
References in periodicals archive ?
A major upcoming effort involves sampling the footprint of the K-29 Building, one of the five former gaseous diffusion uranium enrichment buildings at ETTP.
BWXT is is a joint ventures serving EM at the Savannah River Site, the Portsmouth Gaseous Diffusion Plant, the West Valley Demonstration Project, the Paducah Gaseous Diffusion Plant and the Waste Isolation Pilot Plant (WIPP).
The since-demolished gaseous-diffusion plant K-25 was the world's largest building under one roof at the time, with a total area of 44 acres; gaseous diffusion was one method of separating uranium-235 from uranium-238 (the latter of which could fuel power plants but not bombs).
We are optimistic that the results from our environmental science research will help accelerate the clean-up of several Superfund sites in Kentucky, such as the Paducah Gaseous Diffusion Plant," said Lindell Ormsbee, associate director of the Superfund Research Center.
The Paducah Gaseous Diffusion Plant employs approximately 1,100 workers, including 580 members of USW Local 550.
Ahmadi Roshan's expertise was in making polymeric membranes for gaseous diffusion, part of the process needed for the enrichment of uranium.
On the uppermost, ochre, part of "Nebula I," you may notice blotches of lighter shades, emphasizing an impression of gaseous diffusion -- a feature which is also common to scientific representations of some types of nebulae.
Commercial uranium enrichment employs either gaseous diffusion or
International Resource News-18 August 2010-Fluor-B&W Portsmouth receives contract from DOE's Portsmouth Gaseous Diffusion Plant(C)2010 ENPublishing - http://www.
235]U that had been produced by the liquid and gaseous diffusion plants also located at Oak Ridge; Y-12 enriched this feed to 90% [.
Chapters cover sites in states across America such as China Lake Naval Weapons Center in California, Paducah Gaseous Diffusion Plant in Kentucky, Area 51 in Nevada, Green River Missile Launch Complex in Utah, and many more.