Assessment of energy crops alternative to maize for biogas production in the Greater Region
(2014) Bioresource Technology — Vol. 166, p. 358-367 (2014)
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- Abstract
- The biomethane yield of various energy crops, selected among potential alternatives to maize in the Greater Region, was assessed. The biomass yield, the volatile solids (VS) content and the biochemical methane potential (BMP) were measured to calculate the biomethane yield per hectare of all plant species. For all species, the dry matter biomass yield and the VS content were the main factors that influence, respectively, the biomethane yield and the BMP. Both values were predicted with good accuracy by linear regressions using the biomass yield and the VS as independent variable. The perennial crop miscanthus appeared to be the most promising alternative to maize when harvested as green matter in autumn and ensiled. Miscanthus reached a biomethane yield of 5.5 ± 1 × 103 m3 ha−1 during the second year after the establishment, as compared to 5.3 ± 1 × 103 m3 ha−1 for maize under similar crop conditions.
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Citations
Mayer, F., Gerin, P., Noo, A., Lemaigre, S., Stilmant, D., Schmit, T., Leclech, N., Ruelle, L., Gennen, J., von Francken-Welz, H., Foucart, G., Flammang, J., Delfosse, P., & Weyland, M. (2014). Assessment of energy crops alternative to maize for biogas production in the Greater Region. Bioresource Technology, 166, 358-367. https://doi.org/10.1016/j.biortech.2014.05.054 (Original work published 2014)