Journal ArticleDOI
The contribution of interspecies hydrogen transfer to the substrate removal in methanogenesis
Lun Shi-yi,Chen Jian +1 more
TLDR
In this article, it was shown that the thermodynamically unfavourable oxidation of propionic acid takes place even at a positive ΔG′ because of energy coupling, which is known as energy coupling.About:
This article is published in Process Biochemistry.The article was published on 1992-09-01. It has received 14 citations till now.read more
Citations
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Control of interspecies electron flow during anaerobic digestion: significance of formate transfer versus hydrogen transfer during syntrophic methanogenesis in flocs. [Methanobacterium formicicum; Desulfovibrio vulgaris]
J.H. Thiele,J.G. Zeikus +1 more
TL;DR: In this paper, the dynamics of a bicarbonate-formate electron shuttle mechanism for control of carbon and more electron flow during syntrophic methanogenesis was described and provided a novel mechanism for energy conservation by syntrophic acetogens.
Journal ArticleDOI
Interspecies electron transfer in syntrophic methanogenic consortia: From cultures to bioreactors
TL;DR: The mechanisms of interspecies electron transfer involved in methanogenic consortia are reviewed to enable a deeper understanding of how microorganisms degrade waste and produce biogas, and how current waste treatment and methane production strategies could be improved.
Journal ArticleDOI
Role of biochar in the granulation of anaerobic sludge and improvement of electron transfer characteristics.
TL;DR: The added biochar not only favors the anaerobic sludge granulation working as an inert core, but also facilitates the selective enrichment of potential direct interspecies electron transfer (DIET) partners such as Methanothrix and Geobacter spp.
Journal ArticleDOI
Long chain fatty acids degradation in anaerobic digester: Thermodynamic equilibrium consideration
Sungtaek Oh,Alastair Martin +1 more
TL;DR: In this article, the thermodynamics of linear long chain fatty acid degradation in a batch reactor was modeled, where the substrates considered are the saturated fatty acids from acetic acid to stearic acid.
Journal ArticleDOI
Interspecies distances between propionic acid degraders and methanogens in syntrophic consortia for optimal hydrogen transfer.
TL;DR: The maximum possible hydrogen flux was always higher than the hydrogen formation and consumption rate, indicating that reducing the interspecies distance by aggregation is advantageous in complex ecosystems.
References
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Control of interspecies electron flow during anaerobic digestion: significance of formate transfer versus hydrogen transfer during syntrophic methanogenesis in flocs. [Methanobacterium formicicum; Desulfovibrio vulgaris]
J.H. Thiele,J.G. Zeikus +1 more
TL;DR: In this paper, the dynamics of a bicarbonate-formate electron shuttle mechanism for control of carbon and more electron flow during syntrophic methanogenesis was described and provided a novel mechanism for energy conservation by syntrophic acetogens.
Journal ArticleDOI
Control of Interspecies Electron Flow during Anaerobic Digestion: Significance of Formate Transfer versus Hydrogen Transfer during Syntrophic Methanogenesis in Flocs.
TL;DR: A model is presented which describes the dynamics of a bicarbonate-formate electron shuttle mechanism for control of carbon and electron flow during syntrophic methanogenesis and provides a novel mechanism for energy conservation by syntrophic acetogens.
Journal ArticleDOI
Gas metabolism evidence in support of the juxtaposition of hydrogen-producing and methanogenic bacteria in sewage sludge and lake sediments.
TL;DR: The results are in general agreement with the results reported previously and are used to support the conclusion that most of the H(2)-dependent methanogenesis in these ecosystems occurs as a consequence of direct interspecies H( 2) transfer between juxtapositioned microbial associations within flocs or consortia.
Journal ArticleDOI
High rate anaerobic waste water treatment using the UASB-reactor under a wide range of temperature conditions
Gatze Lettinga,L.W. Hulshoff Pol,I.W. Koster,W. Wiegant,W.J. de Zeeuw,A. Rinzema,P.C. Grin,R.E. Roersma,S.W. Hobma +8 more
TL;DR: High-Rate Anaerobic Waste-Water Treatment Using the UASB Reactor under a Wide Range of Temperature Conditions under a wide range of temperature conditions is described.
Journal ArticleDOI
Control of Interspecies Electron Flow during Anaerobic Digestion: Role of Floc Formation in Syntrophic Methanogenesis.
TL;DR: The data demonstrate that floc formation in a whey-processing anaerobic digestor functions in juxtapositioning cells for interspecies electron transfer during syntrophic ethanol conversion into acetate and methane but by a mechanism which was independent of the available dissolved H(2) gas pool in the ecosystem.