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Hydrodynamics Analysis of Mixing Process in Fermenter
Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, 2023The perfect mixing process ensures the ideal substrate conditions for microorganisms to live to produce ethanol in the fermenter. The critical factors that affect the mixing process are the agitation speed, baffle configuration, and the impeller type.
null Novia Novia +5 more
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Fermentation mixing scale‐up techniques
Biotechnology and Bioengineering, 1966AbstractScale‐up of a mixing process in fermentation involves breaking the process down into individual but interrelated steps. The effect of mixing on gas‐liquid absorption, fluid shear rates, blending, and heat transfer allows each to be considered separately.
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Correlation of mixing and fermentation performance
Mathematics and Computers in Simulation, 1996zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Viesturs, U. E., Vanags, J. J.
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Production of propionic acid by mixed bacterial fermentation
Biotechnology Letters, 1987VariousPropionibacteria andLactobacilli have been grown in starch based media in pure and mixed cultures to ascertain the optimum conditions for propionic acid production. A system has been identified using.Propionibacterium freudenreichii ssshermanii grown in mixed culture withLactobacillus amylophilus that yields approximately 20g/l propionic acid ...
P M, Border +2 more
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A bioenergetic model of a mixed production fermentation
Biotechnology and Bioengineering, 1990AbstractA bioenergetic model has been developed for the fermentation of glucose by Bacillus polymyxa. This model uses energy balances to determine which pathways are utilized by the substrate. The model can predict substrate consumption, biomass formation, and the product distribution for this fermentation.
H A, Haughney, E B, Nauman
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Mixed fermentation for natural product drug discovery
Applied Microbiology and Biotechnology, 2009Natural products continue to play a major role in drug discovery and development. However, chemical redundancy is an ongoing problem. Genomic studies indicate that certain groups of bacteria and fungi have dozens of secondary metabolite pathways that are not expressed under standard laboratory growth conditions.
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Caproate formation in mixed-culture fermentative hydrogen production
Bioresource Technology, 2010Caproate always appears during fermentative H(2) production but its formation was not well explained. It possibly results from the secondary fermentation of ethanol and acetate or butyrate by some special species like Clostridium kluyveri. This study attempts to elucidate caproate formation during the fermentation H(2) production by using C.
Hong-Bo, Ding +2 more
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Anaerobic Thermophilic Mixed Culture Fermentation Processes
2019Advantageous properties, such as higher hydrogen production, high substrate degradation rate, and efficient heat utilization for the treatment of hot wastewater, favor the thermophilic mixed culture fermentation (MCF) over mesophilic MCF. In this chapter, the typical metabolic reactions in thermophilic MCF are summarized in Sect.
Fang Zhang, Raymond Jianxiong Zeng
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Metabolic Products of Mixed Culture Fermentation
2020Mixed culture fermentation provides a great avenue for the production of various metabolites of commercial use. It has clear economical and process advantages over pure culture fermentations. However, some limitations still exist as the consortium of bacteria drives the process kinetics.
Siddhartha Pandey +6 more
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Modeling product formation in anaerobic mixed culture fermentations
Biotechnology and Bioengineering, 2006AbstractThe anaerobic conversion of organic matter to fermentation products is an important biotechnological process. The prediction of the fermentation products is until now a complicated issue for mixed cultures. A modeling approach is presented here as an effort to develop a methodology for modeling fermentative mixed culture systems.
Jorge, Rodríguez +3 more
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