Microalgae cultivation integrated into agro-industrial wastewater treatment
DOI:
https://doi.org/10.19040/ecocycles.v7i2.210Keywords:
microalgae cultivation, agro-industrial wastewater, characteristics, photobioreactor, harvestingAbstract
The world demands more and more energy due to the continuous population increase. In parallel, high organic and nutrient contents of wastewater streams are generated from anthropogenic activities like urbanization, industrialization, and agricultural practices. The continuous discharge of these wastewater streams into water bodies has been considered responsible for oxygen depletion and eutrophication in the environment. Integrating microalgae cultivation into wastewater treatment can be a promising solution to produce renewable energy while removing pollutants. In contrast to several review articles published about microalgae cultivation on different wastewater streams, the current review is focusing mainly on microalgae-based wastewater treatment on agricultural waste streams. Hence, first of all, the main characteristics of different agricultural streams will be described, then microalgal consortia cultivation, as well as monoculture strains, will be evaluated. Moreover, the photobioreactor systems for agricultural wastewater treatment will also be summarized. Finally, harvesting methods for microalgae recovery will be presented.
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Copyright (c) 2021 David Pacha-Herreira, Peter Tamas Nagy, Tamas Magyar

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