NUCLEAR POWERED CO2 CAPTURE FROM THE ATMOSPHERE

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A process for capturing CO{sub 2} from the atmosphere was recently proposed. This process uses a closed cycle of sodium and calcium hydroxide, carbonate, and oxide transformations to capture dilute CO{sub 2} from the atmosphere and to generate a concentrated stream of CO{sub 2} that is amenable to sequestration or subsequent chemical transformations. In one of the process steps, a fossil-fueled lime kiln is needed, which reduces the net CO{sub 2} capture of the process. It is proposed to replace the fossil-fueled lime kiln with a modified kiln heated by a high-temperature nuclear reactor. This will have the effect of ... continued below

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Sherman, S September 22, 2008.

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A process for capturing CO{sub 2} from the atmosphere was recently proposed. This process uses a closed cycle of sodium and calcium hydroxide, carbonate, and oxide transformations to capture dilute CO{sub 2} from the atmosphere and to generate a concentrated stream of CO{sub 2} that is amenable to sequestration or subsequent chemical transformations. In one of the process steps, a fossil-fueled lime kiln is needed, which reduces the net CO{sub 2} capture of the process. It is proposed to replace the fossil-fueled lime kiln with a modified kiln heated by a high-temperature nuclear reactor. This will have the effect of eliminating the use of fossil fuels for the process and increasing the net CO{sub 2} capture. Although the process is suitable to support sequestration, the use of a nuclear power source for the process provides additional capabilities, and the captured CO{sub 2} may be combined with nuclear-produced hydrogen to produce liquid fuels via Fischer-Tropsch synthesis or other technologies. Conceivably, such plants would be carbon-neutral, and could be placed virtually anywhere without being tied to fossil fuel sources or geological sequestration sites.

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  • Journal Name: Environmental Progress and Sustainable Energy

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  • Report No.: SRNS-TR-2008-00082
  • Grant Number: DE-AC09-08SR22470
  • Office of Scientific & Technical Information Report Number: 938799
  • Archival Resource Key: ark:/67531/metadc902926

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  • September 22, 2008

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  • Sept. 27, 2016, 1:39 a.m.

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  • Dec. 12, 2016, 4:30 p.m.

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Sherman, S. NUCLEAR POWERED CO2 CAPTURE FROM THE ATMOSPHERE, article, September 22, 2008; [Aiken, South Carolina]. (digital.library.unt.edu/ark:/67531/metadc902926/: accessed September 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.