EnglishThis work estimates the advantages of using maize as fuel in a power plant composed of an anaerobic digester, a gasifier and an Internal Combustion (IC) engine. The digester is fed with maize grains, while, the remaining part of the plant, the stover, is gasified. Then biogas and syngas streams are both used as fuel into the engine. The performance of this plant was evaluated coupling gasification and anaerobic digestion mathematical models. Results of the proposed solution are compared with the performance of a 100 kW biogas power plant fed with the whole crop silaged. Results show that the overall energy yield of the improved solution is 39% higher than the conventional one fed with maize silage. This method will lead to the design of small and cheap digesters as a result of the increased conversion rate. In fact, the solution proposed fully converts the high cellulose-fiber parts of the maize plant that were tough to degrade in anaerobic digesters.
| Data di pubblicazione: | 2015 |
| Titolo: | Modeling of coupling gasification and anaerobic digestion processes for maize bioenergy conversion |
| Autore/i: | Allesina, Giulio; Pedrazzi, Simone; Guidetti, Luca; Tartarini, Paolo |
| Autore/i UNIMORE: | |
| Digital Object Identifier (DOI): | 10.1016/j.biombioe.2015.07.010 |
| Rivista: | |
| Volume: | 81 |
| Pagina iniziale: | 444 |
| Pagina finale: | 451 |
| Codice identificativo ISI: | WOS:000362134400052 |
| Codice identificativo Scopus: | 2-s2.0-84938833120 |
| Citazione: | Modeling of coupling gasification and anaerobic digestion processes for maize bioenergy conversion / Allesina, Giulio; Pedrazzi, Simone; Guidetti, Luca; Tartarini, Paolo. - In: BIOMASS & BIOENERGY. - ISSN 0961-9534. - ELETTRONICO. - 81(2015), pp. 444-451. |
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http://hdl.handle.net/11380/1077648
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