Journal
BIORESOURCE TECHNOLOGY
Volume 243, Issue -, Pages 1232-1236Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2017.07.022
Keywords
Electricity generation; Lignin residue; Biogas; Cellulosic ethanol; Lignocellulose
Funding
- National Basic Research Program of China [2011CB707406]
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This study takes the first insight on the rigorous evaluation of electricity generation based on the experimentally measured higher heating value (HHV) of lignin residue, as well as the chemical oxygen demand (COD) and biological oxygen demand (BOD5) of wastewater. For producing one metric ton of ethanol fuel from five typical lignocellulose substrates, including corn stover, wheat straw, rice straw, sugarcane bagasse and poplar sawdust, 1.26-1.85 tons of dry lignin residue is generated from biorefining process and 0.19-0.27 tons of biogas is generated from anaerobic digestion of wastewater, equivalent to 43355981 kWh and 1946-2795 kWh of electricity by combustion of the generated lignin residue and biogas, respectively. The electricity generation not only sufficiently meets the electricity needs of process requirement, but also generates more than half of electricity surplus selling to the grid. (C) 2017 Elsevier Ltd. All rights reserved.
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