Self-sustainable electricity production from algae grown in a microbial fuel cell system

Gajda, I., Greenman, J., Melhuish, C. and Ieropoulos, I. (2015) Self-sustainable electricity production from algae grown in a microbial fuel cell system. Biomass and Bioenergy, 82. pp. 87-93. ISSN 0961-9534 Available from: http://eprints.uwe.ac.uk/25625

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Publisher's URL: http://dx.doi.org/10.1016/j.biombioe.2015.05.017

Abstract/Description

This paper describes the potential of algal biomass production in conjunction with wastewater treatment and power generation within a fully biotic Microbial Fuel Cell (MFC). The anaerobic biofilm in the anodic half-cell is generating current, whereas the phototrophic biofilm on the cathode is providing the oxygen for the Oxygen Reduction Reaction (ORR) and forming biomass. The MFC is producing electricity with simultaneous biomass regeneration in the cathodic half-cell, which is dependent on the nutrient value of the anodic feedstock. Growth of algal biomass in the cathode was monitored, assessed and compared against the MFC power production (charge transfer), during this process. MFC generation of electricity activated the cation crossover for the formation of biomass which has been harvested and reused as energy source in a closed loop system. It can be concluded that the nutrient reclamation and assimilation into new biomass increases the energy efficiency. This work is presenting a simple self-sustainable MFC operation with the minimal dependency on chemicals usage as an energy generation system utilising waste products and maximising energy turnover through an additional biomass recovery.

Item Type:Article
Uncontrolled Keywords:photosynthetic cathode, microbial fuel cell, biomass, photo-reactor, algae
Faculty/Department:Faculty of Environment and Technology > Department of Computer Science and Creative Technologies
ID Code:25625
Deposited By: I. Gajda
Deposited On:28 May 2015 10:17
Last Modified:07 Aug 2017 16:47

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