Enhancement of Anaerobic Digestion of Sisal Leaf Decortication Residues by Biological Pre-Treatment

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dc.contributor.authorMutemi, Muthangya
dc.contributor.authorMshandete, Anthony M.
dc.contributor.authorKivaisi, Amelia K.
dc.date.accessioned2016-05-17T13:29:35Z
dc.date.available2016-05-17T13:29:35Z
dc.date.issued2009
dc.description.abstractIn recent years, the use of agro-industrial residues as feedstocks for biogas production has gained great attention worldwide due to limited reserves of fossil fuels. The sisal industry in Tanzania generates large quantities of sisal leaf decortication residues (SLDR) with good potential for biomethane production. However, the process is limited by the lignocellulosic nature of SLDR, making it not effectively degraded under anaerobic conditions. The effects of biological pretreatment of SLDR under solid state fermentation with a ligninolytic CCHT-1 strain and Trichoderma reseei at different inoculation rates and incubation periods to improve methane production were investigated. The methane production potential of the pretreated substrate was determined in batch anaerobic bioreactors. SLDR was pre-treated with CCHT-1 for 4 days at an inoculation rate of 10 % (wet weight inoculant/ SLDR) gave methane yield of 0.203±0.019 m3 CH4/kg VSadded, while pre-treatment of SLDR with T. reseei for 8 days at an inoculation rate of 25 % (wet weight inoculant/SLDR) gave methane yield of 0.192±0.024 m3 CH4/kg VSadded.This was an increment of between 24 to 30% in methane yield, compared to 0.145±0.015 m3 CH4/kg VSadded obtained for the untreated samples. In conclusion, the results demonstrated the suitability of biological pre-treatment method using fungi for enhanced anaerobic digestion of SLDR.en_US
dc.identifier.citationMuthangya, M., Mshandete, A.M. and Kivaisi, A.K., 2009. Enhancement of anaerobic digestion of sisal leaf decortication residues by biological pre-treatment. ARPN J. Agr. Biol. Sci, 4, pp.66-73.en_US
dc.identifier.issn1990-6145
dc.identifier.urihttp://hdl.handle.net/20.500.11810/2100
dc.language.isoenen_US
dc.publisherAsian Research Publishing Networken_US
dc.subjectSisal leaf decortication residueen_US
dc.subjectBiological pre-treatmenten_US
dc.subjectAnaerobic digestionen_US
dc.subjectEnhancementen_US
dc.subjectFungien_US
dc.titleEnhancement of Anaerobic Digestion of Sisal Leaf Decortication Residues by Biological Pre-Treatmenten_US
dc.typeJournal Article, Peer Revieweden_US
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