Acta Univ. Agric. Silvic. Mendelianae Brun. 2015, 63(1), 143-146 | DOI: 10.11118/actaun201563010143

Biogas and Methane Yield from Rye Grass

Tomáš Vítěz1, Tomáš Koutný1, Milan Geršl1, Jan Kudělka1, Nuttakan Nitayapat2, Pavel Ryant3, Stanislav Hejduk4, Tomáš Lošák5, Monika Vítězová3, Jan Mareček1
1 Department of Agricultural, Food and Environmental Engineering, Faculty of Agronomy, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
2 Department of Biotechnolgy, Faculty of Agro Industry, Kasetsart University, 50 Ngamwongwan road, Ladyao, Chatuchak, Bangkok 10900, Thailand
3 Department of Agrochemistry, Soil Science, Microbiology and Plant Nutrition, Faculty of Agronomy, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
4 Department of Animal Nutrition and Forage Production, Faculty of Agronomy, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic
5 Department of Environmentalistics and Natural Resources, Mendel University in Brno, Zemědělská 1, 613 00 Brno, Czech Republic

Biogas production in the Czech Republic has expanded substantially, including marginal regions for maize cultivation. Therefore, there are increasingly sought materials that could partially replace maize silage, as a basic feedstock, while secure both biogas production and its quality.
Two samples of rye grass (Lolium multiflorum var. westerwoldicum) silage with different solids content 21% and 15% were measured for biogas and methane yield. Rye grass silage with solid content of 15% reached an average specific biogas yield 0.431 m3.kg-1 of organic dry matter and an average specific methane yield 0.249 m3.kg-1 of organic dry matter. Rye grass silage with solid content 21% reached an average specific biogas yield 0.654 m3.kg-1 of organic dry matter and an average specific methane yield 0.399 m3.kg-1 of organic dry matter.

Keywords: biogas, biogas yield, methane yield, rye grass
Grants and funding:

This study was financed by the Internal Grant Agency of the Faculty of Agronomy MENDELU in Brno No. 11/2013 Biomass and Bio-Energetic Transformations and by the project "Inovace předmětů vyučovaných v oborech TO, ZS, ARI systém pro řízení poloprovozních bioplynových stanic" IN2140331.

Prepublished online: March 14, 2015; Published: April 1, 2015  Show citation

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Vítěz, T., Koutný, T., Geršl, M., Kudělka, J., Nitayapat, N., Ryant, P., ... Mareček, J. (2015). Biogas and Methane Yield from Rye Grass. Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis, 63(1), 143-146. doi: 10.11118/actaun201563010143
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