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Syngas Fermentation by Mixed Microbial Consortia: Enrichment and Continuous Fermentation [PDF]
, 2018 Over the last decades, the development of second generation biofuel technologies have been posed as a necessity due to the increasing energy demand in the transportation sector and the rising concerns about the climate change. Common approaches for the production of second generation biofuels involve the conversion of recalcitrant biomasses via either ...
Grimalt-Alemany, A.; id_orcid 0000-0001-7652-743X +2 more
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Syngas fermentation using pressurized systems
, 2021 One of the major drawbacks of syngas fermentation is the limited gas-liquid mass transfer that generally limits productivities. Most research has been focusing in increasing the kLa (volumetric gas-liquid mass transfer coefficient), investigating different reactor typologies and gas dispersion devices.
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FuelsThe high externalized and still partly unknown costs of fossil fuels through air pollution from combustion, and their limited resources have caused mankind to (re)turn to renewable sources such as wind, solar, and biomass to meet its energy needs ...
Maximilian Lackner +5 more
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Effect of heavy metals on syngas fermentation
, 2016 The goal of this work was to establish the suitable and limiting concentrations of Zn, Cu and Mn compounds during syngas fermentation. The results showed that cells encased in polyvinylidene difluoride (PVDF) membranes had a faster accumulation of methane in reactors containing fermentation medium dosed with 5 mg/L of each heavy metal compared to free ...
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Simultaneous syngas fermentation and chain elongation by an adapted dark fermentation microbiome
Biochemical Engineering JournalPaulina Núñez-Valenzuela +3 more
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The effects of syngas impurities on syngas fermentation to liquid fuels
Biomass and Bioenergy, 2011Abstract Biomass gasification to generate raw syngas used in anaerobic fermentation processes is one of several emerging technologies for the production of biofuels from biomass. The gasification-fermentation process can utilize a wide variety of lignocellulosic biomass such as prairie grasses, wood chips, and paper wastes, in addition to non ...
Douglas R Tree, Randy S Lewis
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Syngas fermentation to ethanol: the effects of gas recycling on economics
2023Syngas fermentation is a biochemical pathway to produce ethanol and has been commercialized successfully. The economic viability of this process could be further improved to become more competitive in the existing ethanol market. Improving gas utilization is the key, and can be done by recycling the unreacted syngas.
Shijaz, H. (author) +3 more
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A biotechnological overview of syngas fermentation
2022Syngas is produced through thermochemical conversion from different types of wastes and is considered an energy vector for a sustainable energy future. The use of gas-fermenting microorganisms is a key factor in the ex situ fermentation of syngas to ensure a compatible concentration for the natural gas grid. Methanogenic archaea grow on syngas (CO, CO2,
Achinas, Spyridon +2 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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Overcoming the energetic limitations of syngas fermentation
Current Opinion in Chemical Biology, 2017The fermentation of synthesis gas (including carbon monoxide, carbon dioxide, and hydrogen) with anaerobic acetogens is an established biotechnological process that has recently been transferred to a commercial scale. The natural product spectrum of acetogens is natively restricted to acetate, ethanol, and 2,3-butanediol but is rapidly expanding to ...
Molitor, Bastian +2 more
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