Recovery and Sequestration of co2 From Stationary Combustion Systems by Photosynthesis of Microalgae, Quarterly Technical Progress Report: April-June 2004

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Most of the anthropogenic emissions of carbon dioxide result from the combustion of fossil fuels for energy production. Photosynthesis has long been recognized as a means, at least in theory, to sequester anthropogenic carbon dioxide. Aquatic microalgae have been identified as fast growing species whose carbon fixing rates are higher than those of land-based plants by one order of magnitude. Physical Sciences Inc. (PSI), Aquasearch, and the Hawaii Natural Energy Institute at the University of Hawaii are jointly developing technologies for recovery and sequestration of CO{sub 2} from stationary combustion systems by photosynthesis of microalgae. The research is aimed primarily ... continued below

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40 pages

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Nakamura, Takashi November 2004.

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Most of the anthropogenic emissions of carbon dioxide result from the combustion of fossil fuels for energy production. Photosynthesis has long been recognized as a means, at least in theory, to sequester anthropogenic carbon dioxide. Aquatic microalgae have been identified as fast growing species whose carbon fixing rates are higher than those of land-based plants by one order of magnitude. Physical Sciences Inc. (PSI), Aquasearch, and the Hawaii Natural Energy Institute at the University of Hawaii are jointly developing technologies for recovery and sequestration of CO{sub 2} from stationary combustion systems by photosynthesis of microalgae. The research is aimed primarily at demonstrating the ability of selected species of microalgae to effectively fix carbon from typical power plant exhaust gases. This report covers the reporting period 1 April to 30 June 2004 in which PSI, Aquasearch and University of Hawaii conducted their tasks. Based on the work during the previous reporting period, Aquasearch run further, pilot and full scale, carbon sequestration tests with actual propane combustion gases utilizing two different strains of microalgae. Aquasearch continued testing modifications to the coal combustor to allow for longer-term burns. Aquasearch also tested an alternative cell separation technology. University of Hawaii performed experiments at the Mera Pharmaceuticals facility in Kona in mid June to obtain data on the carbon venting rate out of the photobioreactor; gas venting rates were measured with an orifice flow meter and gas samples were collected for GC analysis to determine the carbon content of the vented gases.

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40 pages

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OSTI as DE00836104

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  • Other Information: PBD: 1 Nov 2004

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  • Report No.: NONE
  • Grant Number: FC26-00NT40934
  • DOI: 10.2172/836104 | External Link
  • Office of Scientific & Technical Information Report Number: 836104
  • Archival Resource Key: ark:/67531/metadc785087

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  • November 2004

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  • Dec. 3, 2015, 9:30 a.m.

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  • April 9, 2018, 7:15 p.m.

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Nakamura, Takashi. Recovery and Sequestration of co2 From Stationary Combustion Systems by Photosynthesis of Microalgae, Quarterly Technical Progress Report: April-June 2004, report, November 2004; United States. (digital.library.unt.edu/ark:/67531/metadc785087/: accessed November 14, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.