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Abstract
Rapeseed straw is an attractive fuel material for microbial fuel cells (MFCs) due to its high content of carbohydrates (more than 60% carbohydrates). This study has demonstrated that reducing sugars can be efficiently extracted from raw rapeseed straw by combination of hydrothermal pretreatment and enzymatic hydrolysis followed by utilization as a fuel in two-chamber MFCs for electrical power generation. The most efficient method of saccharification of this lignocellulosic biomass (17%) turned out hydrothermal pretreatment followed by enzymatic hydrolysis. Electricity was produced using hydrolysate concentrations up to 150 mg/dm3. The power density reached 54 mW/m2, while CEs ranged from 60% to 10%, corresponding to the initial reducing sugar concentrations of 10–150 mg/dm3. The COD degradation rates based on charge calculation increased from 0.445 g COD/m2/d for the hydrolysate obtained with the microwave treatment to 0.602 g COD/m2/d for the most efficient combination of hydrothermal treatment followed by enzymatic hydrolysis.
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Authors (3)
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Jabłońska Milena mgr inż.
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Rybarczyk Maria mgr inż
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
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BIORESOURCE TECHNOLOGY
no. 208,
pages 117 - 122,
ISSN: 0960-8524 - Language:
- English
- Publication year:
- 2016
- Bibliographic description:
- Milena J., Maria R., Lieder M.: Electricity generation from rapeseed straw hydrolysates using microbial fuel cells// BIORESOURCE TECHNOLOGY. -Vol. 208, (2016), s.117-122
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.biortech.2016.01.062
- Verified by:
- Gdańsk University of Technology
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