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Biochar as Additive in Biogas-Production from Bio-Waste

Biotechnology in Resources Management, Bauhaus-Universität Weimar, Coudraystr. 7, Weimar 99423, Germany
Author to whom correspondence should be addressed.
Academic Editor: Filippo Sgroi
Energies 2016, 9(4), 247;
Received: 26 January 2016 / Revised: 14 March 2016 / Accepted: 23 March 2016 / Published: 29 March 2016
(This article belongs to the Special Issue Agriculture and Energy)
Previous publications about biochar in anaerobic digestion show encouraging results with regard to increased biogas yields. This work investigates such effects in a solid-state fermentation of bio-waste. Unlike in previous trials, the influence of biochar is tested with a setup that simulates an industrial-scale biogas plant. Both the biogas and the methane yield increased around 5% with a biochar addition of 5%—based on organic dry matter biochar to bio-waste. An addition of 10% increased the yield by around 3%. While scaling effects prohibit a simple transfer of the results to industrial-scale plants, and although the certainty of the results is reduced by the heterogeneity of the bio-waste, further research in this direction seems promising. View Full-Text
Keywords: biochar; bio-waste; biogas; anaerobic digestion; solid-state fermentation; composting biochar; bio-waste; biogas; anaerobic digestion; solid-state fermentation; composting
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MDPI and ACS Style

Meyer-Kohlstock, D.; Haupt, T.; Heldt, E.; Heldt, N.; Kraft, E. Biochar as Additive in Biogas-Production from Bio-Waste. Energies 2016, 9, 247.

AMA Style

Meyer-Kohlstock D, Haupt T, Heldt E, Heldt N, Kraft E. Biochar as Additive in Biogas-Production from Bio-Waste. Energies. 2016; 9(4):247.

Chicago/Turabian Style

Meyer-Kohlstock, Daniel, Thomas Haupt, Erik Heldt, Nils Heldt, and Eckhard Kraft. 2016. "Biochar as Additive in Biogas-Production from Bio-Waste" Energies 9, no. 4: 247.

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