Comparative analysis of anaerobically digested wastes flow properties | Analyse comparative des propriétés d'écoulement de digestats de méthanisation
2014
Mbaye, S. | Dieudé Fauvel, E. | Baudez, J.C. | Technologies et systèmes d'information pour les agrosystèmes (UR TSCF) ; Institut national de recherche en sciences et technologies pour l'environnement et l'agriculture (IRSTEA)
[Departement_IRSTEA]Ecotechnologies [TR1_IRSTEA]INSPIRE
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Mostrar más [+] Menos [-]Inglés. The flow curve of anaerobically digested wastes from different origins was determined through rheological measurements. Regardless of their origin, samples can be divided into two families: Simple non-Newtonian liquids well modelled by basic power law below 10%DC and viscoelastic liquids with a yield stress, well modelled by a Herschel-Bulkley model above. In all the cases, the rheological behaviour is driven by both the organic content and the volatile fraction (organic content/solid content), indicating that anaerobic digestion tends to smooth the rheological characteristics of organic wastes, whichever their origins.
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