Batch tests of H2 production from glucose, molasses and cheese whey by suspended and immobilized cells of Thermotoga neapolitana were conducted to develop a kinetic model of the process. H2 production was inhibited by neither H2 (up to 0.7 mg/L) nor O2 (up to 0.2 mg/L). The H2 specific rates obtained at different substrate concentrations were successfully interpolated with Andrew’s inhibition model. With glucose and molasses, biofilms performed better than suspended cells. The suspended-cell process was successfully scaled-up to a 19-L bioreactor. Assays co-fed with molasses and cheese whey led to higher H2 productivities and H2/substrate yields than the single-substrate tests. The simulation of the suspended-cell continuous-flow process indicated the potential attainment of H2 productivities higher than those of the batch tests (up to 3.6 mmolH2/h/L for molasses and 0.67 mmolH2/h/L for cheese whey) and allowed the identification of the optimal dilution rate.

A kinetic study of biohydrogen production from glucose, molasses and cheese whey by suspended and attached cells of Thermotoga neapolitana / Dario Frascari;Martina Cappelletti;Jocelia De Sousa Mendes;Andrea Alberini;Francesco Scimonelli;Chiara Manfreda;Luca Longanesi;Davide Zannoni;Davide Pinelli;Stefano Fedi. - In: BIORESOURCE TECHNOLOGY. - ISSN 0960-8524. - STAMPA. - 147:(2013), pp. 553-561. [10.1016/j.biortech.2013.08.047]

A kinetic study of biohydrogen production from glucose, molasses and cheese whey by suspended and attached cells of Thermotoga neapolitana

FRASCARI, DARIO;CAPPELLETTI, MARTINA;ALBERINI, ANDREA;LONGANESI, LUCA;ZANNONI, DAVIDE;PINELLI, DAVIDE;FEDI, STEFANO
2013

Abstract

Batch tests of H2 production from glucose, molasses and cheese whey by suspended and immobilized cells of Thermotoga neapolitana were conducted to develop a kinetic model of the process. H2 production was inhibited by neither H2 (up to 0.7 mg/L) nor O2 (up to 0.2 mg/L). The H2 specific rates obtained at different substrate concentrations were successfully interpolated with Andrew’s inhibition model. With glucose and molasses, biofilms performed better than suspended cells. The suspended-cell process was successfully scaled-up to a 19-L bioreactor. Assays co-fed with molasses and cheese whey led to higher H2 productivities and H2/substrate yields than the single-substrate tests. The simulation of the suspended-cell continuous-flow process indicated the potential attainment of H2 productivities higher than those of the batch tests (up to 3.6 mmolH2/h/L for molasses and 0.67 mmolH2/h/L for cheese whey) and allowed the identification of the optimal dilution rate.
2013
A kinetic study of biohydrogen production from glucose, molasses and cheese whey by suspended and attached cells of Thermotoga neapolitana / Dario Frascari;Martina Cappelletti;Jocelia De Sousa Mendes;Andrea Alberini;Francesco Scimonelli;Chiara Manfreda;Luca Longanesi;Davide Zannoni;Davide Pinelli;Stefano Fedi. - In: BIORESOURCE TECHNOLOGY. - ISSN 0960-8524. - STAMPA. - 147:(2013), pp. 553-561. [10.1016/j.biortech.2013.08.047]
Dario Frascari;Martina Cappelletti;Jocelia De Sousa Mendes;Andrea Alberini;Francesco Scimonelli;Chiara Manfreda;Luca Longanesi;Davide Zannoni;Davide Pinelli;Stefano Fedi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/185700
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