Biodegradation of Potamogeton pectinatus biomass by hydrogen and methane coproduction: Effect of different pretreatments and parallel factor analysis
作者： Xuan Jia , Beidou Xi , Mingxiao Li , Yang Yang , Yong Wang
DOI: 10.1016/J.IJHYDENE.2017.04.178
关键词: Chemistry 、 Pectinatus 、 Methane 、 Biomass 、 Fermentation 、 Hydrogen 、 Cellulose 、 Cellulase 、 Biodegradation 、 Environmental chemistry 、 Chromatography
摘要: Abstract To enhance the hydrogen and methane coproduction potential, three pretreatments (i.e., acid, alkali cellulase) were investigated during a two-stage anaerobic fermentation using Potamogeton pectinatus biomass. The fluorescence spectral characteristics of dissolved organic matter (DOM) from effluents, coupled with parallel factor analysis, studied. maximum proportions (42.65%) production rate (4.1 mL h −1 ) obtained under 0.5 mol L HCl pretreatment. highest (52.82%) (14.2 mL h observed 10 mg g cellulase pretreatments, respectively. Combined spectra fluorescent components identified, protein-like substances determined to be dominant. Using acid pretreatment, change intensities in DOM was most significant among followed by that cellulose result indicated macromolecular P . can decomposed effective pretreatment thereby enhances potential. This technique represents promising method for improving cellulosic biomass biodegradation green energy coproduction.
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