Clostridiumm ljungdahlii, an anaerobic ethanol and acetate produ

Details Clostridiumm ljungdahlii, an anaerobic ethanol and acetate produ Clostridiumm ljungdahlii, an anaerobic ethanol and acetate produ

1990-11-09

1992-12-22

Robinson, Douglas W.

Chemistry: molecular biology and microbiology

Micro-organism, per se ; compositions thereof; proces of...

Bacteria or actinomycetales; media therefor

435161, 435163, 435135, 435842, C12N 120, C12P 706, C12N 100

Patent

active

051734290

ABSTRACT:
A newly discovered microorganism was isolated in a biologically pure culture and designated Clostridium ljungdahlii, having the identifying characteristics of ATCC No. 49587. Cultured in an aqueous nutrient medium under anaerobic conditions, this microorganism is capable of producing ethanol and acetate from CO and H.sub.2 O and/or CO.sub.2 and H.sub.2 in synthesis gas. Under optimal growth conditions, the microorganism produces acetate in preference to ethanol. Conversely, under non-growth conditions, ethanol production is favored over acetate.

REFERENCES:
patent: 4652526 (1987-03-01), Hsu
Tanner and Gaddy, Amer. Soc. for Microbiology Annual Mtg. 1990 Abstract #R-21, p. 249.
J. Bacteriology, Sep. 1979, Wiegel et al., pp. 800-810, vol. 139, No. 3.
Advanced Studies of Biological Indirect Liquefaction of Coal: Topical Report on Task I: Cultural Identification, Jan. 1989, U.S. Dept. of Energy, Pittsburgh, Energy Technology Center, Contract No. DE-AC22-88PC79813.
Vega et al., The Biological Production of Ethanol From Synthesis Gas, Applied Biochemistry and Biotechnology, vol. 20/21, 1989, pp. 781-797.
Barik et al., Biological Production of Alcohols from Coal Through Indirect Liquefaction, The Humana Press, 1988, pp. 363-378.
Klasson et al., Biological Production of Liquid and Gaseous Fuels From Synthesis Gas, Applied Biochemistry and Biotechnology, vol. 24/25, 1990, pp. 1-20.
Lundback et al., Parameters Affecting the Kinetics of Ethanol Production from CO, CO.sub.2, and H.sub.2 by Clostridium ljungdahlii, 12th Symposium on Biotechnology for Fuels and Chemicals, Gatlinburg, Tenn.

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