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A precise microalgae farming for CO2 sequestration: A critical review and perspectives
Chenba Zhu1, Chen Hu2, Jialin Wang3
1Carbon Neutral Innovation Research Center, Xiamen University, Xiamen 361005, China; Fujian Key Laboratory of Marine Carbon Sequestration, Xiamen University, Xiamen 361005, China.
The Science of the Total Environment
|August 4, 2023
Summary
Precise microalgal cultivation optimizes photosynthesis by dynamically adjusting resources to environmental changes. This approach enhances efficiency and reduces costs for sustainable biomass production and carbon dioxide sequestration.
Area of Science:
- Biotechnology and Bioengineering
- Sustainable Energy
- Environmental Science
Background:
- Microalgae are valuable for CO2 sequestration and producing food, feed, fuels, and biochemicals.
- Efficient phototrophic production requires optimal, simultaneous light, temperature, and carbon conditions.
- Environmental fluctuations lead to resource waste and high production costs, necessitating new control strategies.
Purpose of the Study:
- To review the development and progress of precise microalgal phototrophic cultivation.
- To analyze key environmental and cultivation factors affecting microalgal growth, costs, and energy input.
- To discuss future research directions for advanced microalgae farming.
Main Methods:
- Analysis of dynamic environmental factors (light, temperature) and their impact on microalgal photosynthesis.
- Review of existing and proposed control strategies for phototrophic cultivation.
- Evaluation of microalgal growth, cultivation costs, and energy inputs under precise control.
Main Results:
- Precise cultivation supplies resources dynamically based on real-time environmental data.
- This strategy addresses limitations of traditional methods by optimizing phototrophic processes.
- Identified key factors and their effects on microalgal biomass yield and economic viability.
Conclusions:
- Precise microalgal cultivation offers a promising alternative to conventional methods.
- It enables cost-effective and efficient microalgae farming for CO2 sequestration.
- Further research is needed to refine precise farming techniques for industrial application.
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