Microalgae cultivation for biofuel conversion is widely treated in literature as it could allow reducing fossil fuel consumptions. One of the challenges of this technology is related to the high power and cost requirements for the harvesting and dewatering steps.
Here are some papers and links which can be helpful to you:
Markou, G., Wang, L., Ye, J., Unc, A. (2018):
Using agro-industrial wastes for the cultivation of microalgae and duckweeds: Contamination risks and biomass safety concerns, Biotechnol.Adv. 36(4):1238-1254 Article Using agro-industrial wastes for the cultivation of microalg...
Pleissner, D., Lam, C.W., Sun, Z., Lin, C.Z.K. (2013): Food waste as nutrient source in heterotrophic microalgae cultivation, Bioresource Technology 137, DOI: