期刊
BIORESOURCE TECHNOLOGY
卷 342, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2021.126057
关键词
Bioenergy; Biohydrogen; Microalgae; Upstream; Downstream
资金
- Ministry of Science and Technology, Taiwan, R.O.C. [MOST 109-2221-E-006-040-MY3, MOST 110-2622-E-006-001-CC1, MOST 110-3116-F-006-003]
- Higher Education Sprout Project, Ministry of Education
Biohydrogen is considered an environmentally friendly fuel and a strong candidate for sustainable energy, with production processes involving different metabolic routes such as direct and indirect photolysis, dark fermentation, photofermentation, and microbial electrolysis. Upstream processes have a significant impact on the productivity and economics of biohydrogen production.
Biohydrogen (BioH(2)) is considered as one of the most environmentally friendly fuels and a strong candidate to meet the future demand for a sustainable source of energy. Presently, the production of BioH(2) from photosynthetic organisms has raised a lot of hopes in the fuel industry. Moreover, microalgal-based BioH(2) synthesis not only helps to combat current global warming by capturing greenhouse gases but also plays a key role in wastewater treatment. Hence, this manuscript provides a state-of-the-art review of the upstream and downstream BioH(2) production processes. Different metabolic routes such as direct and indirect photolysis, dark fermentation, photofermentation, and microbial electrolysis are covered in detail. Upstream processes (e.g. growth techniques, growth media) also have a great impact on BioH(2) productivity and economics, which is also explored. Technical and scientific obstacles of microalgae BioH(2) systems are finally addressed, allowing the technology to become more innovative and commercial.
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