Influence of the fuel and dosage on the performance of double-compartment microbial fuel cells

Y. Asensio, C. M. Fernandez-Marchante, J. Lobato, P. Cañizares, M. A. Rodrigo

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Resum

This manuscript focuses on the evaluation of the use of different types and dosages of fuels in the performance of double-compartment microbial fuel cell equipped with carbon felt electrodes and cationic membrane. Five types of fuels (ethanol, glycerol, acetate, propionate and fructose) have been tested for the same organic load (5,000 mg L-1 measured as COD) and for one of them (acetate), the range of dosages between 500 and 20,000 mg L-1 of COD was also studied. Results demonstrate that production of electricity depends strongly on the fuel used. Carboxylic acids are much more efficient than alcohols or fructose for the same organic load and within the range 500-5,000 mg L-1 of acetate the production of electricity increases linearly with the amount of acetate fed but over these concentrations a change in the population composition may explain a worse performance.

Idioma originalAnglès
Pàgines (de-a)16-23
Nombre de pàgines8
RevistaWater Research
Volum99
DOIs
Estat de la publicacióPublicada - 1 d’ag. 2016
Publicat externament

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