Smart-driven bioengineering techniques for enhancing microalgal biohydrogen production.

Area of Science:

• Biotechnology
• Renewable Energy
• Algal Research

Background:

• Microalgae offer a sustainable route to hydrogen production through photosynthesis.
• Current large-scale production is hindered by low rates and environmental sensitivity.
• Bioengineering presents a key strategy to overcome these limitations.

Purpose of the Study:

• To review strategies for enhancing microalgal hydrogen production.
• To explore integrated approaches for economic feasibility and sustainability.
• To highlight advancements in bioreactor technology and system optimization.

Main Methods:

• Inhibition of photosystem II (PSII).
• Introduction of oxygen-tolerant hydrogenase variants.
• Enhancing electron flow to hydrogenase enzymes.

Main Results:

• Bioengineering significantly improves hydrogen production efficiency and tolerance.
• Integrated systems combining hydrogen and co-product generation enhance economic viability.
• Optimized bioreactor designs and control systems facilitate large-scale production.

Conclusions:

• Integrated bioengineering maximizes biohydrogen potential while adhering to circular bioeconomy principles.
• Further research into integrated microalgal applications will drive efficient and sustainable bioprocesses.
• Microalgae represent a promising platform for clean energy and valuable co-product generation.