Microalgae as substrate in low cost terracotta-based microbial fuel cells: Novel application of the catholyte produced

In this work, the by-product generated during the operation of cylindrical MFCs, made out of terracotta material, is investigated as a feasible means of degrading live microalgae for the first time. In addition to the low cost materials of this design, the reuse of the solution produced in the catho...

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Published in:Bioresource technology 2016-06, Vol.209, p.380-385
Main Authors: Salar-García, M J, Gajda, I, Ortiz-Martínez, V M, Greenman, J, Hanczyc, M M, de los Ríos, A P, Ieropoulos, I A
Format: Article
Language:English
Subjects:
Bioelectric Energy Sources
Conservation of Energy Resources - methods
Electrodes
Light
Microalgae
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cited_by cdi_FETCH-LOGICAL-c462t-747c3ca7e127237a5bdb289169f7155a9000130964603110884539578cdcb9dd3
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container_title Bioresource technology
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creator Salar-García, M J
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description In this work, the by-product generated during the operation of cylindrical MFCs, made out of terracotta material, is investigated as a feasible means of degrading live microalgae for the first time. In addition to the low cost materials of this design, the reuse of the solution produced in the cathode renders the technology truly green and capable of generating bioenergy. In this study, the effect of a light/dark cycle or dark conditions only on the digestion of live microalgae with the catholyte is investigated. The results show that a combination of light/dark improves degradation and allows algae to be used as substrate in the anode. The addition of 12.5mL of a 1:1 mix of catholyte and microalgae (pre-digested over 5days under light/dark) to the anode, increases the power generation from 7μW to 44μW once all the organic matter in the anode had been depleted.
doi_str_mv 10.1016/j.biortech.2016.02.083
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subjects Bioelectric Energy Sources
Conservation of Energy Resources - methods
Electrodes
Light
Microalgae
title Microalgae as substrate in low cost terracotta-based microbial fuel cells: Novel application of the catholyte produced
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