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Electricity generation from rapeseed straw hydrolysates using microbial fuel cells

Abstrakt

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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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
BIORESOURCE TECHNOLOGY nr 208, strony 117 - 122,
ISSN: 0960-8524
Język:
angielski
Rok wydania:
2016
Opis bibliograficzny:
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:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.biortech.2016.01.062
Weryfikacja:
Politechnika Gdańska

wyświetlono 94 razy

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