Marone, A. and Ayala, O. and Trably, E. and Carmona, A. and Moscoviz, R. and Latrille, E. and Alcaraz, V. and Bernet, N. (2017) Coupling dark fermentation and microbial electrolysis to enhance bio-hydrogen production from agro-industrial wastewaters and by-products in a bio-refinery framework. International Journal of Hydrogen Energy, 42 (3). pp. 1609-1621.
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The aim of this work is to evaluate biohydrogen production from agro-industrial wastewaters and by-products, by combining dark fermentation and microbial electrolysis in a two-step cascade process. Such coupling of both technologies constitutes a technological building block within a concept of environmental biorefinery where sustainable production of renewable energy is expected. Six different wastewaters and industrial by-products coming from cheese, fruit juice, paper, sugar, fruit processing and spirits factories were evaluated for the feasibility of hydrogen production in a two-step process. The overall hydrogen production when coupling dark fermentation and microbial electrolysis was increased up to 13 times when compared to fermentation alone, achieving a maximum overall hydrogen yield of 1608.6 ± 266.2 mLH2/gCODconsumed and a maximum of 78.5 ± 5.7% of COD removal. These results show that dark fermentation coupled with microbial electrolysis is a highly promising option to maximize the conversion of agro-industrial wastewaters and by-products into bio-hydrogen.
| Item Type: | Article |
|---|---|
| Additional Information: | http://www.alessandrocarmona.com/ |
| Subjects: | T Technology > TD Environmental technology. Sanitary engineering |
| Depositing User: | Users 684 not found. |
| Date Deposited: | 03 Apr 2017 11:36 |
| Last Modified: | 03 Apr 2017 11:36 |
| URI: | http://eprints.imdea-agua.org:13000/id/eprint/744 |
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