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Evaluation of Integrated Anaerobic Digestion and Hydrothermal Carbonization for Bioenergy Production
Published on: June 15, 2014
Biohydrogen production from anaerobic fermentation.
Ai-Jie Wang1, Guang-Li Cao, Wen-Zong Liu
1State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, 150090, Harbin, China, waj0578@hit.edu.cn.
Advances in Biochemical Engineering/Biotechnology
|November 18, 2011
Summary
China is advancing biohydrogen production from abundant organic wastes. Strategies combining fermentation types or coupling with microbial electrolysis cells are improving yields and substrate use.
Area of Science:
- Biotechnology
- Environmental Science
- Renewable Energy
Background:
- China possesses abundant organic wastes like wastewater and agricultural residues suitable for biohydrogen production.
- Current biohydrogen production methods, particularly dark fermentation, face challenges with by-product inhibition, reducing yield and bacterial efficiency.
Purpose of the Study:
- To review progress in biohydrogen production in China.
- To focus on hydrogen-producing bacteria, fermentation processes, and bioreactor configurations.
- To discuss strategies for overcoming limitations in biohydrogen production.
Main Methods:
- Review of scientific literature on biohydrogen production in China.
- Analysis of hydrogen-producing bacteria and fermentation processes.
- Evaluation of bioreactor configurations and innovative strategies.
Main Results:
- Significant advancements in biohydrogen production from organic wastes in China.
- Identification of by-product inhibition as a key challenge in dark fermentation.
- Emerging strategies like combined dark/photofermentation and microbial electrolysis cells show promise.
Conclusions:
- Biohydrogen production in China shows considerable progress, utilizing readily available organic waste streams.
- Innovative strategies are crucial for enhancing hydrogen yield and substrate utilization by mitigating fermentation by-products.
- Addressing current challenges and exploring future perspectives are vital for the widespread adoption of biohydrogen technology.
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