ABSTRACT

Microalgae received special potential for converting light and inorganic carbons into high-value organic matter during photosynthesis, which is nature’s most primitive way of converting carbon into biomass. The progress in the bio-electrochemical systems (BES)-microalgae system shows the sustainable recovery of biomass enhancing higher wastewater treatment along with bioelectricity generation. The photobioreactor and BES combination provides a better solution for clean energy generation with wastewater treatment. Microbial fuel cells are aimed to generate energy by converting the chemical energy to electrical energy through biological pathway. The usages of microalgae in the cathodic chamber decrease the overall cost as this can replace the use of expensive catalyst in the cathodic chambers. The performance of microbial carbon capture cell is governed by selection of algal species, operating conditions, anodic parameters, cathodic parameters, design constraints. The photosynthetic algae in the cathodic chamber perform multiple functions including oxygen supply, nutrient removal and biomass production.