Photosynthetic hydrogen and oxygen production by green algae

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An overview of photosynthetic hydrogen and oxygen production by green algae in the context of its potential as a renewable chemical feed stock and energy carrier is presented. Beginning with its discovery by Gaffron and Rubin in 1942, motivated by curiosity-driven laboratory research, studies were initiated in the early 1970s that focused on photosynthetic hydrogen production from an applied perspective. From a scientific and technical point of view, current research is focused on optimizing net thermodynamic conversion efficiencies represented by the Gibbs Free Energy of molecular hydrogen. The key research questions of maximizing hydrogen and oxygen production by light-activated water ... continued below

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16 p.

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Greenbaum, E. & Lee, J.W. December 31, 1997.

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Description

An overview of photosynthetic hydrogen and oxygen production by green algae in the context of its potential as a renewable chemical feed stock and energy carrier is presented. Beginning with its discovery by Gaffron and Rubin in 1942, motivated by curiosity-driven laboratory research, studies were initiated in the early 1970s that focused on photosynthetic hydrogen production from an applied perspective. From a scientific and technical point of view, current research is focused on optimizing net thermodynamic conversion efficiencies represented by the Gibbs Free Energy of molecular hydrogen. The key research questions of maximizing hydrogen and oxygen production by light-activated water splitting in green algae are (1) removing the oxygen sensitivity of algal hydrogenases; (2) linearizing the light saturation curves of photosynthesis throughout the entire range of terrestrial solar irradiance--including the role of bicarbonate and carbon dioxide in optimization of photosynthetic electron transport and (3) the minimum number of light reactions that are required to split water to elemental hydrogen and oxygen. Each of these research topics is being actively addressed by the photobiological hydrogen research community.

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16 p.

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OSTI as DE97008436

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  • BioHydrogen `97: international conference on biological hydrogen production, Waikoloa, HI (United States), 23-26 Jun 1997

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  • Other: DE97008436
  • Report No.: CONF-9706179--1
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 663333
  • Archival Resource Key: ark:/67531/metadc702038

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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.

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  • December 31, 1997

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  • Sept. 12, 2015, 6:31 a.m.

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  • Jan. 20, 2016, 11:54 a.m.

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Greenbaum, E. & Lee, J.W. Photosynthetic hydrogen and oxygen production by green algae, article, December 31, 1997; Tennessee. (digital.library.unt.edu/ark:/67531/metadc702038/: accessed August 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.