An example of increasing biogas and methane production by supplying anaerobic digester with biochar prepared from solid digestate

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989100%3A27710%2F20%3A10245807" target="_blank" >RIV/61989100:27710/20:10245807 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
An example of increasing biogas and methane production by supplying anaerobic digester with biochar prepared from solid digestate
Original language description
This paper presents biogas and methane production results attained from biochar-supported singlestage mesophilic anaerobic digestion tests. Chicken droppings were selected to be the substrate, although it is a moderately suitable nitrogen-rich material. Biochar, which added as support material for anaerobic digestion, was prepared at three different pyrolysis temperatures, namely 300, 400 and 500 oC. Comparison of the actual and expected CH4 production, which was calculated as the weighted sum of the individual digestion of substrate and biochar, indicated that biochar prepared at 500 oC had only limited or no supporting effect on chicken droppings anaerobic digestion. On the other hand, addition of biochar prepared at 400 oC resulted in 6% higher specific CH4 production than the expected by theoretical calculations. The best digestion performance was attained by the mixture of chicken droppings and biochar prepared at 300oC, which showed 30% higher CH4 production than the theoretical value.
Czech name
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Czech description
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Type
J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database
CEP classification
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OECD FORD branch
20700 - Environmental engineering

Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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