The present study investigates the thermophilic biohydrogen and methane production from olive pulp, which is the semi-solid residue coming from the two-phase processing of olives. It focussed on: a) production of methane from the raw olive pulp; b) anaerobic bio-production of hydrogen from the olive pulp; c) subsequent anaerobic treatment of the hydrogen-effluent with the simultaneous production of methane; and d) development of a mathematical model able to describe the anaerobic digestion of the olive pulp and the effluent of hydrogen producing process. Both continuous and batch experiments were performed. The hydrogen potential of the olive pulp amounted to 1.6 mmole H2 per g TS. The methane potential of the raw olive pulp and hydrogen-effluent was as high as 19 mmole CH4 per g TS suggesting that: a) olive pulp is a suitable substrate for methane production; and b) biohydrogen production can be very efficiently coupled with a subsequent step for methane production.
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Research Article|
April 01 2006
Thermophilic anaerobic fermentation of olive pulp for hydrogen and methane production: modelling of the anaerobic digestion process Available to Purchase
H.N. Gavala;
*Laboratory of Biochemical Engineering and Environmental Technology (LBEET), Department of Chemical Engineering, University of Patras, 26500 Patras, Greece, (E-mail: [email protected])
**The Environmental Microbiology and Anaerobic Biotechnology Group (EMAB), Biocentrum-DTU, bldg 227, Technical University of Denmark, 2800 Lyngby, Denmark, (E-mail: [email protected])
E-mail: [email protected]
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I.V. Skiadas;
I.V. Skiadas
*Laboratory of Biochemical Engineering and Environmental Technology (LBEET), Department of Chemical Engineering, University of Patras, 26500 Patras, Greece, (E-mail: [email protected])
**The Environmental Microbiology and Anaerobic Biotechnology Group (EMAB), Biocentrum-DTU, bldg 227, Technical University of Denmark, 2800 Lyngby, Denmark, (E-mail: [email protected])
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B.K. Ahring;
B.K. Ahring
**The Environmental Microbiology and Anaerobic Biotechnology Group (EMAB), Biocentrum-DTU, bldg 227, Technical University of Denmark, 2800 Lyngby, Denmark, (E-mail: [email protected])
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G. Lyberatos
G. Lyberatos
*Laboratory of Biochemical Engineering and Environmental Technology (LBEET), Department of Chemical Engineering, University of Patras, 26500 Patras, Greece, (E-mail: [email protected])
***Institute of Chemical Engineering and High Temperature Chemical Processes, Foundation of Research and Technology Hellas, Stadiou St., Platani, P.O. Box 1414, 26504 Patras, Greece
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Water Sci Technol (2006) 53 (8): 271–279.
Citation
H.N. Gavala, I.V. Skiadas, B.K. Ahring, G. Lyberatos; Thermophilic anaerobic fermentation of olive pulp for hydrogen and methane production: modelling of the anaerobic digestion process. Water Sci Technol 1 April 2006; 53 (8): 271–279. doi: https://doi.org/10.2166/wst.2006.258
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