期刊
BIORESOURCE TECHNOLOGY
卷 363, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2022.127968
关键词
Wastewater; Microalgae; Circular economy; Resource recovery; Biodiesel
资金
- Junta de Andalucia
- European Regional Development Fund (ERDF) [P18-TP-4732]
- Universidad de Granada / CBUA
Microalgae-based technologies can be used for bioremediation of wastewater, converting it into valuable biomass and energy products while effectively removing nutrients. Microalgae can also extract lipids for biodiesel production, making it a sustainable source of bioenergy.
Every day, large quantities of wastewater are discharged from various sources that could be reused. Wastewater contains nutrients such as nitrogen or phosphorus, which can be recovered. Microalgae-based technologies have attracted attention in this sector, as they are able to bioremediate wastewater, harnessing its nutrients and generating algal biomass useful for different downstream uses, as well as having other advantages. There are multiple species of microalgae capable of growing in wastewater, achieving nutrient removal efficiencies sur-passing 70%. On the other hand, microalgae contain lipids that can be extracted for energy recovery in biodiesel. Currently, there are several methods of lipid extraction from microalgae. Other biofuels can also be obtained from microalgae biomass, such as bioethanol, biohydrogen or biogas. This review also provides information on bioenergy products and products in the agri-food industry as well as in the field of human health based on microalgae biomass within the concept of circular bioeconomy.
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