نتایج جستجو برای: dark fermentation
تعداد نتایج: 108612 فیلتر نتایج به سال:
Electro-fermentation is a new type of bioprocess combining the concepts fermentation and electro-microbiology to improve conversion organic substrates into valuable products. During electro-fermentation metabolic profiles could be redirected by presence polarized electrodes through changes in microbial communities dark fermentation. This paper aims investigate influence bacterial community comp...
Lactic acid accumulation in the caecum and colon resulting from the fermentation of carbohydrates can lead to deleterious effects in ruminant and monogastric animals, including humans. In the present study, we examined the behavioural effects of two types of commonly consumed foods: soluble and fermentable carbohydrates (FCs). Thirty-six male Wistar rats were fed either a commercial rat and mou...
This review summarizes the potential of starch agroindustrial residues as substrate for biohydrogen production. Types of potential starch agroindustrial residues, recent developments and bio-processing conditions for biohydrogen production will be discussed. Biohydrogen is a clean energy source with great potential to be an alternative fuel, because it releases energy explosively in heat engine...
Microbial electrolysis cells (MECs) can be used as a downstream process to dark fermentation to further capture electron in volatile fatty acids that remain after fermentation, improving this way the viability of the overall process. Acetic and propionic acid are common products of dark fermentation. The main objective of this work was to investigate the effect of different initial concentratio...
Dark Fermentation Optimization by Anaerobic Digested Sludge Recirculation: Effects on Hydrogen Production Marco Gottardo*, Cristina Cavinato , David Bolzonella, Paolo Pavan a University Ca’Foscari of Venice, Department of Environmental Science, Informatics and Statistics, Calle Larga Santa Marta, Dorsoduro 2137 – 30123, Venice, Italy University of Verona, Department of Biotechnology, Strada le ...
Hydrogen is a valuable gas as a clean energy source and as feedstock for some industries. Therefore, demand on hydrogen production has increased considerably in recent years. Electrolysis of water, steam reforming of hydrocarbons and auto-thermal processes are well-known methods for hydrogen gas production, but not cost-effective due to high energy requirements. Biological production of hydroge...
BACKGROUND Integrating hydrogen-producing bacteria with complementary capabilities, dark-fermentative bacteria (DFB) and photo-fermentative bacteria (PFB), is a promising way to completely recover bioenergy from waste biomass. However, the current coupled models always suffer from complicated pretreatment of the effluent from dark-fermentation or imbalance between dark and photo-fermentation, r...
In this study, a novel three-stage (lactate-+photo-H(2)+CH(4)) fermentation system was developed, which converts food waste to H(2) and CH(4), with an emphasis on achieving high H(2) yield. The system begins by first fermenting food waste to lactate, rather than acetate and butyrate, using indigenous lactic acid bacteria. Lactate fermentation effluent was then centrifuged, and the supernatant w...
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