Chlorobium limicola forma thiosulfatophilum : Biocatalyst in the Production of Sulfur and Organic Carbon from a Gas Stream Containing H 2 S and CO 2

Author:

Cork Douglas J.1,Garunas Ruta1,Sajjad Ashfaq1

Affiliation:

1. Department of Biology, Illinois Institute of Technology, and Institute of Gas Technology, 2 Chicago, Illinois 60616

Abstract

Chlorobium limicola forma thiosulfatophilum (ATCC 17092) was grown in a 1-liter continuously stirred tank reactor (800-ml liquid volume) at pH 6.8, 30°C, saturated light intensity, and a gas flow rate of 23.6 ml/min from a gas cylinder blend consisting of 3.9 mol% H 2 S, 9.2 mol% CO 2 , 86.4 mol% N 2 , and 0.5 mol% H 2 . This is the first demonstration of photoautotrophic growth of a Chlorobium sp. on a continuous inorganic gas feed. A significant potential exists for applying this photoautotrophic process to desulfurization and CO 2 fixation of gases containing acidic components (H 2 S and CO 2 ).

Publisher

American Society for Microbiology

Subject

Ecology,Applied Microbiology and Biotechnology,Food Science,Biotechnology

Reference11 articles.

1. American Society for Testing and Materials. 1977. Annual book of American Society for Testing and Materials standards part 26. Gaseous fuels; coal and coke; atmospheric analysis. American Society for Testing and Materials Publications Philadelphia Pa.

2. Bodle W. W. and J. Huebler. 1981. Coal gasification p. 494-704. In R. A. Meyers (ed.) Coal handbook. Marcell Dekker Inc. New York.

3. Cork D. J. 1982. Bioconversion of coal acid gas to biomass and chemicals p. 1-29. In J. P. Hartnett (ed.) Coal and biomass the role of synfuels. University of Illinois at Chicago Circle Chicago.

4. Acid waste gas bioconversion-an alternative to the Claus desulferization process;Cork D. J.;Dev. Ind. Microbiol.,1982

5. Cork D. J. and M. Cusanovlch. 1978. Sulfate decomposition: a microbiological process p. 207-222. In L. E. Murr A. E. Torma and J. A. Brierly (ed.) Applications of bacterial leaching and related microbiological phenomena. Academic Press Inc. New York.

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