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Bioclimatic Influence on the Nutritional Composition, In Vitro Ruminal Fermentation Dynamics, and Greenhouse Gas Emissions of <i>Urtica dioica</i>. [PDF]
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Gas controlled hydrogen fermentation
Bioresource Technology, 2012Acidogenic fermentation is an anaerobic process of double purpose, while treating organic residues it produces chemical compounds, such as hydrogen, ethanol and organic acids. Therefore, acidogenic fermentation arises as an attractive biotechnology process towards the biorefinery concept.
Bastidas Oyanedel, Juan Rodrigo +6 more
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Bacterial synthesis gas (syngas) fermentation
Environmental Technology, 2013Acetogenic bacteria employing the Wood-Ljungdahl pathway can be used as biocatalysts in syngas fermentation for the production ofbiofuels such as ethanol or butanol as well as biocommodities such as acetate, lactate, butyrate, 2,3 butanediol, and acetone.
Frank R, Bengelsdorf +2 more
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Gas transfer in microgravity fermentations
Acta Astronautica, 1986Fermentations performed under microgravity conditions may be used in future long duration space missions for recycling expendable life support materials. These fermentations will differ from similar fermentations performed at one gravity in the manner in which gas transfer in the fermentor is carried out.
B G, Thompson, D, Ward
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Bioreactors for synthesis gas fermentations
Resources, Conservation and Recycling, 1991Abstract Bacterial cultures have been isolated for the conversion of synthesis gas (CO, H2 and CO2) into ethanol or methane. These heterogeneous reactions require the transport of substrate through the gas phase, across the interface into the liquid phase, and to the solid microorganisms.
K.T. Klasson +3 more
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Reactor Design Issues for Synthesis‐Gas Fermentations
Biotechnology Progress, 1999AbstractSynthesis gas is readily obtained by gasifying coal, oil, biomass, or waste organics and represents an abundant, potentially inexpensive, feedstock for bioprocessing. The primary components of synthesis gas, carbon monoxide and hydrogen, can be converted into methane, organic acids, and alcohols via anaerobic fermentations.
, Bredwell, , Srivastava, , Worden
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Fermentation of natural gas with a cyclone column fermenter
Canadian Journal of Microbiology, 1969A mixed flora, capable of using natural gas as a carbon substrate, was derived from a laboratory sewage sludge. Fermentations in a cyclone column fermenter, on a 1:1 natural gas/air mixture, resulted in a doubling time of 4.6 h and production of 0.065 mg dry cell mass per square centimeter interfacial area per hour.
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1997
Abstract Almost any microbial process involves the consumption or evolution of gases, and vent-gas analysis therefore provides a convenient means to monitor microbial activity. In contrast to other monitoring techniques for which the culture medium must be placed in direct contact with a sampling device or probe, vent-gas analysis ...
Peter M Salmon, Barry C Buckland
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Abstract Almost any microbial process involves the consumption or evolution of gases, and vent-gas analysis therefore provides a convenient means to monitor microbial activity. In contrast to other monitoring techniques for which the culture medium must be placed in direct contact with a sampling device or probe, vent-gas analysis ...
Peter M Salmon, Barry C Buckland
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