Kinetics of hydrogen consumption by methanogenic consortia and cultures of hydrogen-consuming anaerobes. [Methanospirillum PM1, M. hungatei JF-1, Methanosarcina barkeri MS, Methanobacterium PM2, Desulfovibrio G11 and PS1]
Hydrogen plays a central role in the breakdown of organic matter in anaerobic habitats, influencing the nature of the fermentation end products and possibly, rates at which the initial substrates are degraded. The kinetics were examined for H/sub 2/ consumption by samples from natural anaerobic habitats, pure cultures of H/sub 2/-consuming anaerobes, and co-cultures comprised of methanogenic and sulfate-reducing bacteria. These kinetic studies were performed using a gas-recirculation system that allowed precise measurements of gaseous phase H/sub 2/ and CH/sub 4/. Uptake and growth kinetic parameters were estimated for the natural samples and suspensions of H/sub 2/-consumers by fitting H/sub 2/ depletion (progress curve) data to integrated forms of Michaelis-Menten and Monod equations. Samples included eutrophic lake sediments, anaerobic digestor sludge, and rumen fluid. The bacteria studied were methanospirillum PM1, Methanosarcina barkeri MS, Methanospirillum hungatei JF-1, Methanohbacterium PM2, and Desulfovibrio strains G11 and PS1.
- OSTI ID:
- 5950373
- Resource Relation:
- Other Information: Thesis (Ph.D.)
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
59 BASIC BIOLOGICAL SCIENCES
METHANOGENIC BACTERIA
BIOCHEMICAL REACTION KINETICS
SULFATE-REDUCING BACTERIA
ANAEROBIC DIGESTION
BIOREACTORS
BIOSYNTHESIS
EQUATIONS
GAS ANALYSIS
GROWTH
HYDROGEN
LAKES
METHANE
RUMINANTS
SEDIMENTS
SLUDGES
UPTAKE
ALKANES
ANIMALS
BACTERIA
BIOCONVERSION
DIGESTION
ELEMENTS
HYDROCARBONS
KINETICS
MAMMALS
MANAGEMENT
MICROORGANISMS
NONMETALS
ORGANIC COMPOUNDS
PROCESSING
REACTION KINETICS
SURFACE WATERS
SYNTHESIS
VERTEBRATES
WASTE MANAGEMENT
WASTE PROCESSING
090122* - Hydrocarbon Fuels- Preparation from Wastes or Biomass- (1976-1989)
550700 - Microbiology