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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1070-1072Effects of Silage Additives on Biogas Production...

Effects of Silage Additives on Biogas Production of Hybrid Penisetum

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Abstract:

This study investigated the effects of silage additives on the anaerobic digestion performance of hybrid penisetum to produce methane. Specifically, we evaluated the effects of adding lactic acid bacteria (0, 1.0×10⁵, 1.5×10⁵, 2.0×10⁵ cfu.g^-1) and cellulase (0, 0.01, 0.02, 0.03 g.t^-1) during ensilage for 45 days on biogas production of hybrid penisetum. The silage additives lactic acid bacteria (1.0×10⁵cfu.g^-1, 2.0×10⁵cfu.g^-1) and cellulase (0.03g.t^-1) had a positive effect on the anaerobic fermentation performance of hybrid penisetum silage. The hybrid penisetum amended with 0.03 g.t^-1 of cellulase showed the best biochemical methane potentials, with a methane yield of 218.15l_N kg^-1 ODM_added. The results of this study clearly demonstrate that type and concentration of additives influence biogas production by silage.

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Periodical:

Advanced Materials Research (Volumes 1070-1072)

Pages:

112-120

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1070-1072.112

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Online since:

December 2014

Authors:

Ran Xu, Bao Yi Zhang, Fu Yu Yang*

Keywords:

Anaerobic Digestion, Biogas Production, Hybrid Penisetum, Silage Additive

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* - Corresponding Author

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