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Updated: Sep 6, 2025

Cultivation of Green Microalgae in Bubble Column Photobioreactors and an Assay for Neutral Lipids
Published on: January 7, 2019
Bioproducts from microalgae biomass: Technology, sustainability, challenges and opportunities
Maria Lúcia Calijuri1, Thiago Abrantes Silva1, Iara Barbosa Magalhães1
1Federal University of Viçosa (Universidade Federal de Viçosa/UFV), Department of Civil Engineering, Advanced Environmental Research Group - NPA, Av. Peter Henry Rolfs, S/n, Campus Universitário, Viçosa, Minas Gerais, 36570-900, Brazil.
Microalgae biotechnology offers sustainable production of valuable bioproducts like omega-3 fatty acids, biohydrogen, bioplastics, and carotenoids. Research into wastewater cultivation enhances resource recovery and market potential.
Area of Science:
- Biotechnology
- Microalgae Cultivation
- Bioproducts Development
Background:
- Microalgae are a rich source of primary and secondary metabolites.
- These metabolites can be converted into high-value bioproducts.
Purpose of the Study:
- To review current practices for producing bioproducts from microalgae biomass.
- To analyze technical, environmental, and economic sustainability of these processes.
- To identify future research opportunities for sustainable microalgae biotechnology.
Main Methods:
- Review of existing literature on microalgae bioproduct production.
- Analysis of bioprocesses, productivity, and commercialization.
- Assessment of environmental impacts and economic feasibility.
- Exploration of alternative cultivation methods like wastewater cultivation.
Main Results:
- Microalgae lipids yield polyunsaturated fatty acids (PUFA) like omega-3.
- Carbohydrates can be sources for biohydrogen (bioH2).
- Proteins are convertible to biopolymers (e.g., bioplastics), and pigments to carotenoids.
- Wastewater cultivation presents an environmentally attractive alternative for sustainable production and resource recovery.
Conclusions:
- Microalgae biotechnology is a promising field with significant research and market potential.
- Sustainable production of diverse bioproducts is achievable.
- Further research, particularly in wastewater cultivation, can enhance resource recovery and valorization.
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