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Biofuel production from Euglena: Current status and techno-economic perspectives
Sunah Kim1, Hyungjoon Im2, Jaecheul Yu3
1Department of Civil and Environmental Engineering, Pusan National University, Busan 46241, Republic of Korea.
Bioresource Technology
|January 7, 2023
Summary
Sustainable aviation fuels (SAFs) offer reduced emissions. Euglena wax esters show promise for low-freezing point jet fuel, but production yields and economic viability require further research.
Area of Science:
- Biotechnology
- Renewable Energy
- Chemical Engineering
Background:
- Sustainable aviation fuels (SAFs) are crucial for reducing aviation's carbon footprint.
- Microalgae are a promising third-generation feedstock for biofuels due to high productivity and CO2 capture capabilities.
- Current microalgae-based biofuels face challenges, notably a high freezing point, limiting their application.
Purpose of the Study:
- To explore Euglena wax esters as a potential SAF with a low freezing point.
- To identify challenges and research gaps in upstream and downstream processing for Euglena-based biofuel production.
- To investigate economic feasibility through byproduct valorization, such as using food waste.
Main Methods:
- Literature review on microalgae and Euglena wax ester properties.
- Analysis of current production yields and limitations in biofuel processing.
- Exploration of techno-economic aspects and byproduct valorization strategies.
Main Results:
- Euglena wax esters exhibit a low freezing point, making them attractive for jet biofuel.
- Significant challenges persist in enhancing upstream and downstream production yields.
- Limited studies exist on Euglena-based biofuel downstream processing and techno-economic analysis.
Conclusions:
- Euglena wax esters represent a promising avenue for developing low-freezing point SAFs.
- Further research is essential to optimize production processes and conduct thorough techno-economic assessments.
- Valorization of industrial byproducts is key to ensuring the economic viability of Euglena-based biofuels.
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