Abstract：
:Biohydrogen from microalgae has attracted extensive attention owing to its promising features of abundance, renewable and self sustainability. Unlike other well-established biofuels like biodiesel and bioethanol, biohydrogen from microalgae is still in the preliminary stage of development. Criticisms in microalgal biohydrogen centered on its practicality and sustainability. Various laboratory- and pilot-scale microalgal systems have been developed, and some research initiatives have exhibited potential for commercial application. This work provides a review of the state of the art of biohydrogen from microalgae. Discussions include metabolic pathways of light-driven transformation and dark fermentation, reactor schemes and system designs encompassing reactor configurations and light manipulation. Challenges, knowledge gaps and the future directions in metabolic limitations, economic and energy assessments, and molecular engineering are also delineated. Current scientific and engineering challenges of microalgal biohydrogen need to be addressed for technology leapfrog or breakthrough.
journal_name
Bioresour Technoljournal_title
Bioresource technologyauthors
Show KY,Yan Y,Zong C,Guo N,Chang JS,Lee DJdoi
10.1016/j.biortech.2019.121747subject
Has Abstractpub_date
2019-10-01 00:00:00pages
121747eissn
0960-8524issn
1873-2976pii
S0960-8524(19)30977-0journal_volume
289pub_type
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