METHOD OF MICROBIAL PRODUCTION OF HYDROGEN AND HYDROGEN PRODUCTION APPARATUS

Title:

METHOD OF MICROBIAL PRODUCTION OF HYDROGEN AND HYDROGEN PRODUCTION APPARATUS

Document Type and Number:

WIPO Patent Application WO/2004/011659

Kind Code:

A1

Abstract:

A method of producing hydrogen which comprises a series of steps involving the step of obtaining a metabolic source for producing hydrogen by a microalga having a photosynthesis ability and the step of producing hydrogen by a bacterium having a photosynthesis ability with the use of the above metabolic source. In this method, the above-described microalga and/or the above-described bacterium is fixed on a support insoluble in a liquid and then pre-cultured as being in the liquid so as to elevate the cell density before supplying to the above steps. The microalga and the bacterium the cell densities of which have been preliminarily elevated are a microalgae and a bacterium which are in the latter logarithmic growth phase or the stationary phase where the growth of the cells has progressed and present in the saturated state in marine water and/or a solution containing a nitrogen source, inorganic matters and vitamins.

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Inventors:

MIURA YOSHIHARU (JP)

Application Number:

PCT/JP2003/009413

Publication Date:

February 05, 2004

Filing Date:

July 24, 2003

Export Citation:

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Assignee:

MIURA YOSHIHARU (JP)

International Classes:

C12M1/00; C12P3/00; (IPC1-7): C12P3/00; C12M1/107

Foreign References:

EP1099762A1	2001-05-16
EP0077014A2	1983-04-20
JPH1042881A	1998-02-17

Other References:

FRANCOU N., VIGNAIS P.M.: "Hydrogen production by rhodopseudomonas capsulata cells entrapped in carrageenan beads", BIOTECHNOLOGY LETTERS, vol. 6, no. 10, 1984, pages 639 - 644, XP002973395
YOKOI H. ET AL.: "Simultaneous production of hydrogen and bioflocculant by enterobacter sp. BY-29", WORLD JOURNAL OF MICROBIOLOGY & BIOTECHNOLOGY, vol. 17, no. 6, 2001, pages 609 - 613, XP002973396

Attorney, Agent or Firm:

Owada, Kazumi (6-20 Dojima 1-chome, Kita-k, Osaka-shi Osaka, JP)

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