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Performance of biofilm carriers in anaerobic digestion of sisal leaf waste leachate Electron. J. Biotechnol.
Mshandete,Anthony Manoni; Björnsson,Lovisa; Kivaisi,Amelia Kajumulo; Rubindamayugi,Mugassa Steven Thomas; Mattiasson,Bo.
Three methanogenic biofilm bioreactors were studied to evaluate the performance of three types of carriers. The carrier material were consisted of sisal fibre waste, pumice stone and porous glass beads, and the bioprocess evaluated was the methanogenesis anaerobic digestion of sisal leaf waste leachate. Process performance was investigated by increasing the organic loading rate (OLR) step-wise. The best results were obtained from the bioreactor packed with sisal fibre waste. It had the highest chemical oxygen demand (COD) removal efficiencies in the range of 80-93% at OLRs in the range of 2.4-25 g COD L-1d-1. The degradation pattern of volatile fatty acids (VFAs) showed that the degradation of propionate was limiting at higher OLRs. The stable pH and...
Tipo: Journal article Palavras-chave: Biogas; Methanogenesis; Packed-bed bioreactors; Packing media.
Ano: 2008 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582008000100009
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