Dark fermentative biohydrogen production from vinicultural biomass without exogenous inoculum in a semi-batch reactor: A kinetic study.
Fiche publication
Date publication
décembre 2021
Journal
Journal of environmental management
Auteurs
Membres identifiés du Cancéropôle Est :
Dr ERNST Barbara
Tous les auteurs :
Guellout Z, Francois-Lopez E, Benguerba Y, Dumas C, Yadav KK, Fallatah AM, Pugazhendhi A, Ernst B
Lien Pubmed
Résumé
This work employed a unique kind of vinicultural biomass (grape residues) to generate fermentative hydrogen. This form of biomass serves two purposes (contains substrate and inoculum). Four mathematical model methods were established; these models were used to represent the fluctuation of hydrogen generation and other fermentation products (organic acids, alcohols), the consumption of substrates included in biomass, and bacterial growth. One of these models was verified using experimental data and used to represent all of the metabolic pathways of bacteria contained in the medium and the interaction between products and substrates. The optimal biomass load, 60 g COD (Chemical Oxygen Demand)/L with a concentration of 0.22 mol of hexose and 0.0444 mol of tartrate offers the best hydrogen yield.
Mots clés
Biohydrogen, Dark-fermentation, Endogenous biomass, Modeling, Parametric sensitivity
Référence
J Environ Manage. 2021 Dec 31;305:114393