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Anaerobic Digestion of spent grains: Potential use in small-scale Biogas Digesters in Jos, Nigeria

  • In order to ascertain biogas yield potential and applicability of spent grains (SG)1 in small-scale biogas production, laboratory batch fermentation was performed with various masses of dry and wet SG using sewage sludge (SS)2 and digested maize silage (DMs) 3 as inoculums. Different volumes of biogas and CH4 were measured with higher volumes observed for batch fermentation with DMs in com-parison to those produced by SS. Results from the study reveals minimum biogas yield of 118.10 L/kg VS and maximum yields of 769.46 L/kg VS, which are indicative of the possible use of SG for domestic biogas production in Jos, Nigeria. The study established the fact that the use of both dry and wet SG results in the yield of a useful amount of biogas having 40 - 60 % CH4 content depending on the inoculum and amount of volatile solids present. Using the parameters of dry matter and volatile solids contents analysed for SG and DMs, it was estimated that a reactor volume of 6.47 m3 would be capable of meeting the daily cooking needs of rural households in Jos, Nigeria.

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Metadaten
Author:Mann Samuel Dido, Christiane Rieker, Jamile Bursche, Monica Lopez Velarde Santos, Johannes Hamhaber
URN:urn:nbn:de:hbz:832-epub4-7681
Parent Title (German):Kompendium der Forschungsgemeinschaft :metabolon 2012-2014
Descirption of the primary publication:Kompendium der Forschungsgemeinschaft :metabolon 2012-2014, 2014, S. 19-25
Place of publication:Gummersbach
Document Type:Part of a Book
Language:English
Date of Publication (online):2015/12/14
GND-Keyword:Biogas
Tag:Biogas yield potential; Dry spent grains; Wet spent grains
Institutes:Anlagen, Energie- und Maschinensysteme (F09) / Fakultät 09 / Cologne Institute for Renewable Energy
Fakultät für Raumentwicklung und Infrastruktursysteme (F12) / Fakultät 12 / Institut für Technologie und Ressourcenmanagement in den Tropen und Subtropen
Dewey Decimal Classification:600 Technik, Medizin, angewandte Wissenschaften
JEL-Classification:Q Agricultural and Natural Resource Economics; Environmental and Ecological Economics
Open Access:Open Access
Licence (German):License LogoCreative Commons - Namensnennung-Nicht kommerziell