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Algae-based bioelectrochemical systems

Lookup NU author(s): Dr Olatunde Akinbuja, Professor Kamelia Boodhoo, Dr Sharon Velasquez OrtaORCiD


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Bioelectrochemical systems (BES) are a technology under development that utilize microorganisms to convert chemical energy to electrical energy or vice-versa. BES have been used for applications in wastewater treatment, production of electricity and material recovery. Microbial fuel cells (MFCs), the most common type of BES, have been widely tested for producing electricity from wastewater treatment. Conventionally, the cathodic part of an MFC is abiotic but recent research has been exploring the use of microalgae because of their ability to naturally produce oxygen which is required for the cathodic reactions in an MFC. In this chapter, we provide a review on the status of the algae-based MFC technology. We discuss the main components used in this technology and results for microalgae tested systems. As it is common for anodic biofilm to improve performance of microbial fuel cells, a case has been made for the influence of cathodic biofilm on the performance of the system. Therefore, we discussed the possibility of immobilization of microalgae in the cathodic compartment of microbial fuel cell highlighting electrode surface immobilization techniques such as entrapment, adsorption, and affinity immobilization. Finally, the prospects of adapting other forms of microalgae immobilization used in some other technologies into microbial fuel cell systems was highlighted.

Publication metadata

Author(s): Olatunde Akinbuja, Boodhoo Kamelia, Velasquez-Orta Sharon

Editor(s): Eduardo Jacob-Lopes, Rosangela Rodrigues Dias and Leila Queiroz Zepka

Publication type: Book Chapter

Publication status: Published

Book Title: Microalgae-based systems

Year: 2023

Pages: 425-440

Print publication date: 04/10/2023

Online publication date: 04/10/2023

Acceptance date: 02/04/2018

Series Title: De Gruyter STEM

Publisher: De Gruyter

Place Published: Berlin, Boston


Library holdings: Search Newcastle University Library for this item

ISBN: 9783110781250