Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.biortech.2013.03.103
Title: Characterization of anaerobic consortia coupled lignin depolymerization with biomethane generation
Authors: Wu, Y.-R.
He, J. 
Keywords: Depolymerization
Lignocellulosics
Methane
PhyloChip
Pretreatment
Issue Date: Jul-2013
Citation: Wu, Y.-R., He, J. (2013-07). Characterization of anaerobic consortia coupled lignin depolymerization with biomethane generation. Bioresource Technology 139 : 5-12. ScholarBank@NUS Repository. https://doi.org/10.1016/j.biortech.2013.03.103
Abstract: Two sediment-free microbial consortia (LI3 and LP3) were established to depolymerize lignin under anaerobic conditions. During depolymerizing high molecular weight lignin to low molecular weight molecules, the two cultures produced biomethane up to 151.7 and 113.0mLg-1 total lignin. Furthermore, LI3 and LP3 could also utilize the biomass - oil palm empty fruit bunch fiber (OPEFB) to produce 190.6 and 195.6mLmethaneg-1 total lignin in OPEFB, and at the same time improve the bioavailability of lignocellulosic matters for further enzymatic hydrolysis. The microbial community analysis by denature gradient gel electrophoresis (DGGE) and the high-density 16S rDNA gene microarray (PhyloChip) exhibited that Methanomethylovorans sp. (LI3) and Methanoculleus sp. (LP3) were the main methanogens present, and phylum Firmicutes and Bacteroidetes were mainly involved in the lignin depolymerization. The established microbial consortia with both lignin depolymerization and biomethane production provide profound application on the environmental friendly pretreatment of lignocellulosic materials. © 2013 Elsevier Ltd.
Source Title: Bioresource Technology
URI: http://scholarbank.nus.edu.sg/handle/10635/90927
ISSN: 09608524
DOI: 10.1016/j.biortech.2013.03.103
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