| 21. | The United States, meanwhile, is re-emphasizing centrifuges over gaseous diffusion, a more cumbersome enrichment technology.
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| 22. | The plant uses gaseous diffusion to enrich uranium for use as fuel in nuclear reactors.
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| 23. | He headed the group located at Columbia University that developed isotope separation using gaseous diffusion.
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| 24. | USEC had gaseous diffusion plants at Piketon, Ohio near Piketon and consolidated operations in Paducah, Kentucky.
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| 25. | By the end of 1943, Urey had over 700 people working for him on gaseous diffusion.
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| 26. | One is that they use the oldest and most energy-intensive technology to enrich uranium, gaseous diffusion.
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| 27. | In fact, gas centrifuges using uranium hexafluoride have largely replaced gaseous diffusion technology for uranium enrichment.
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| 28. | The gaseous diffusion plant covers of a site.
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| 29. | Because of this, gaseous diffusion is the most expensive method currently used for producing enriched uranium.
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| 30. | Power for the Paducah gaseous diffusion plant came from the Tennessee Valley Authority ( TVA ).
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