Functional microorganisms in hydrogen production: Mechanisms and applications

Area of Science:

• Microbiology
• Biotechnology
• Renewable Energy

Background:

• Global energy demand necessitates sustainable and clean alternatives.
• Biohydrogen production by microorganisms is a promising renewable energy source.
• Various microorganisms, including bacteria, fungi, microalgae, and archaea, can produce hydrogen.

Purpose of the Study:

• To review microbial strains and mechanisms for biohydrogen production.
• To analyze factors influencing biohydrogen production efficiency.
• To summarize practical applications of biohydrogen technology.

Main Methods:

• Literature review of microbial hydrogen production.
• Analysis of biohydrogen production mechanisms (bio-photolysis, photo fermentation, dark fermentation).
• Evaluation of factors affecting efficiency (temperature, pH, substrate).

Main Results:

• Bacteria and microalgae are extensively studied for biohydrogen production.
• Factors like temperature, pH, and substrate significantly impact production efficiency.
• Photo and dark fermentation methods show potential for industrial application.

Conclusions:

• Functional microorganisms are vital for advancing biohydrogen technology.
• Optimizing environmental factors and utilizing efficient fermentation methods are key.
• Biohydrogen production has practical applications in bioreactors and waste treatment.