EXTRACTION OF CARBON DIOXIDE FROM THE ATMOSPHERE THROUGH ENGINEERED CHEMICAL SINKAGE.

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We present the case for C02 extraction from air as a means of sustaining fossil energy use by avoiding climate change. Our concept harnesses atmospheric circulation to transport C02 to sites where the C02 is extracted by binding it to an adsorbent. As a proof of concept, we show that an aqueous Ca(OH)2 solution efficiently converts C02 to a CaC03 solid that can be heated to obtain pure C02 and recover the CaO. Even with recycling costs, C02 extraction from air blown by wind through a 1 m2 aperture could eliminate the greenhouse gas impact of 100 kW gasoline engine, ... continued below

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6 p.

Creation Information

Dubey, M. K. (Manvendra K.); Ziock, H. J. (Hans-Joachim); Rueff, G. (Gordon); Elliott, S. M. (Scott M.); Smith, W. S. (William S.); Lackner, K. S. (Klaus S.) et al. January 1, 2001.

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Description

We present the case for C02 extraction from air as a means of sustaining fossil energy use by avoiding climate change. Our concept harnesses atmospheric circulation to transport C02 to sites where the C02 is extracted by binding it to an adsorbent. As a proof of concept, we show that an aqueous Ca(OH)2 solution efficiently converts C02 to a CaC03 solid that can be heated to obtain pure C02 and recover the CaO. Even with recycling costs, C02 extraction from air blown by wind through a 1 m2 aperture could eliminate the greenhouse gas impact of 100 kW gasoline engine, making it more favorable than renewable sources as solar, wind, or bio-mass. In addition it collects C02 from dispersed sources, preserves the energy infrastructure, can yield negative emissions, and provide free C02 transport to sequestration sites. We report economic and scaling arguments, atmospheric simulations and experiments that support pursuing air-extraction as an advanced C02 capture technology. This method could process today's world output of C02 with many collection units with a net area of 103-104 km2 at costs of -5/liter of gasoline, a manageable scale for this massive undertaking.

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6 p.

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  • Submitted to: 2002 American Chemical Society Division of Fuel Chemistry Symposium on CO2 Capture and Sequestration at the 223rd ACS Nation Meeting, Orlando Florida, April 7-11, 2002

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  • Report No.: LA-UR-01-6473
  • Grant Number: none
  • Office of Scientific & Technical Information Report Number: 975878
  • Archival Resource Key: ark:/67531/metadc935008

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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  • January 1, 2001

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  • Nov. 13, 2016, 7:26 p.m.

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  • Dec. 9, 2016, 11:31 p.m.

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Dubey, M. K. (Manvendra K.); Ziock, H. J. (Hans-Joachim); Rueff, G. (Gordon); Elliott, S. M. (Scott M.); Smith, W. S. (William S.); Lackner, K. S. (Klaus S.) et al. EXTRACTION OF CARBON DIOXIDE FROM THE ATMOSPHERE THROUGH ENGINEERED CHEMICAL SINKAGE., article, January 1, 2001; United States. (digital.library.unt.edu/ark:/67531/metadc935008/: accessed April 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.