Two-Stage Fungal Pre-Treatment for Improved Biogas Production from Sisal Leaf Decortication Residues
AbstractSisal leaf decortications residue (SLDR) is amongst the most abundant agroindustrial residues in Tanzania and is a good feedstock for biogas production. Pretreatment of the residue prior to its anaerobic digestion (AD) was investigated using a twostage pre-treatment approach with two fungal strains, CCHT-1 and Trichoderma reesei in succession in anaerobic batch bioreactors. AD of the pre-treated residue with CCTH-1 at 10% (wet weight inoculum/SLDR) inoculum concentration incubated for four days followed by incubation for eight days with 25% (wet weight inoculum/SLDR) of T. reesei gave a methane yield of 0.292 ± 0.04 m3 CH4/kg volatile solids (VS)added. On reversing the pre-treatment succession of the fungal inocula using the same parameters followed by AD, methane yield decreased by about 55%. Generally, an increment in the range of 30–101% in methane yield in comparison to the un-treated SLDR was obtained. The results confirmed the potential of CCHT-1 followed by Trichoderma reesei fungi pre-treatment prior to AD to achieve significant improvement in biogas production from SLDR.
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Muthangya, M.; Manoni Mshandete, A.; Kajumulo Kivaisi, A. Two-Stage Fungal Pre-Treatment for Improved Biogas Production from Sisal Leaf Decortication Residues. Int. J. Mol. Sci. 2009, 10, 4805-4815.
Muthangya M, Manoni Mshandete A, Kajumulo Kivaisi A. Two-Stage Fungal Pre-Treatment for Improved Biogas Production from Sisal Leaf Decortication Residues. International Journal of Molecular Sciences. 2009; 10(11):4805-4815.Chicago/Turabian Style
Muthangya, Mutemi; Manoni Mshandete, Anthony; Kajumulo Kivaisi, Amelia. 2009. "Two-Stage Fungal Pre-Treatment for Improved Biogas Production from Sisal Leaf Decortication Residues." Int. J. Mol. Sci. 10, no. 11: 4805-4815.