期刊
BIORESOURCE TECHNOLOGY
卷 144, 期 -, 页码 149-155出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2013.06.095
关键词
Alkaline pretreatment; Alkalinity; Anaerobic digestion; Biogas; Lignocellulosic biomass
The assessment of the pretreatment effect on the anaerobic digestion process is generally based on the results of batch tests, which may fail in truly predicting full-scale anaerobic reactors performance. Therefore, in this study, the effect of alkaline pretreatment on the anaerobic digestion of ensiled sorghum forage was evaluated by comparing the results of two semi-continuous CSTR (Continuously Stirred Tank Reactor) anaerobic reactors. Results showed that an alkaline pretreatment step, prior to the anaerobic digestion of ensiled sorghum forage, can have a beneficial effect both in enhancing methane production (an increase of 25% on methane production was observed, if compared to that of untreated sorghum) and in giving more stability to the anaerobic digestion process. (C) 2013 Elsevier Ltd. All rights reserved.
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