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S. Nagpal, S. Chuichulcherm, Andrew Livingston, L. Peeva (2000)
Ethanol utilization by sulfate-reducing bacteria: an experimental and modeling study.Biotechnology and bioengineering, 70 5
Renze Houten, Shang Yun, G. Lettinga (1997)
Thermophilic sulphate and sulphite reduction in lab-scale gas-lift reactors using H(2) and CO(2) as energy and carbon source.Biotechnology and bioengineering, 55 5
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Untersuchungen zur Konkurrenz zwischen sulfatreduzierenden und garenden Bakterien um Gemein same Substrate: Diss. zur Erlengung des akademischen Grades
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Performance and Ethanol Oxidation Kinetics of a Sulfate-Reducing Fluidized-Bed Reactor Treating Acidic Metal-Containing WastewaterBiodegradation, 14
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Properties of Desulfovibrio carbinolicus sp. nov. and Other Sulfate-Reducing Bacteria Isolated from an Anaerobic-Purification PlantApplied and Environmental Microbiology, 53
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A kinetic study on anaerobic reduction of sulphate. Part I: Effect of sulphate concentrationChemical Engineering Science, 57
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Biotekh nologiya: Kineticheskie osnovy mikrobiologicheskikh protsessov: Uchebn. posobie (Biotechnology: Kinetic Principles of Microbiological Processes: A Manual)
A kinetic model has been developed and kinetic parameters of anaerobic degradation of glycerol, an abundant by-product of biofuel manufacturing, by a consortium of sulfate reducing bacteria (SRB) in a closed system have been determined. The following main species of SRB has been identified in the consortium: Desulfovibrio baarsii, Desulfomicrobium sp., and Desufatomaculum sp. The proposed model included processes of glycerol degradation, sulfate reduction, and inhibition by metabolic products, as well as effects of pH and temperature. The suggested equation for the anaerobic glycerol degradation was based on Edward and Andrew’s equation. The following kinetic parameters of the anaerobic glycerol degradation were obtained for the initial glycerol concentration from 0.15 to 4 ml/l and sulfate concentration of 2760 mg/l at 22°C: maximum specific growth rate of SRB μmax = 0.56 day−1, economic coefficient of ashless biomass from glycerol of 0.08 mol SRB/mol COC, and yield of ashless biomass from sulfate of 0.020 mol SRB/mol SO4. It was shown that the optimum molar ratio of $$ {{C_{Gl} } \mathord{\left/ {\vphantom {{C_{Gl} } {C_{SO_4 } }}} \right. \kern-\nulldelimiterspace} {C_{SO_4 } }} $$ for SRB growth was 0.8. Initial boundary concentration of inhibition by undissociated hydrogen sulfide was 70 mg/l. Dependence of the specific growth rate of bacteria on the temperature was approximated by the Arrhenius equation in the temperature range of 20–30°C with the goodness of fit R2 = 0.99.
Applied Biochemistry and Microbiology – Springer Journals
Published: Nov 3, 2010
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