Perspectives on microalgal CO₂-emission mitigation systems — A review

The problem of climate change arising mainly from CO₂ emission is currently a critical environmental issue. Biofixation using microalgae has recently become an attractive approach to CO₂ capture and recycling with additional benefits of downstream utilization and applications of the resulting microa...

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Veröffentlicht in:Biotechnology advances 2011-03, Vol.29 (2), p.189-198
Hauptverfasser: Ho, Shih-Hsin, Chen, Chun-Yen, Lee, Duu-Jong, Chang, Jo-Shu
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Sprache:eng
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Zusammenfassung:The problem of climate change arising mainly from CO₂ emission is currently a critical environmental issue. Biofixation using microalgae has recently become an attractive approach to CO₂ capture and recycling with additional benefits of downstream utilization and applications of the resulting microalgal biomass. This review summarizes the history and strategies of microalgal mitigation of CO₂ emissions, photobioreactor systems used to cultivate microalgae for CO₂ fixation, current microalgae harvesting methods, as well as applications of valuable by-products. It is of importance to select appropriate microalgal species to achieve an efficient and economically feasible CO₂-emission mitigation process. The desired microalgae species should have a high growth rate, high CO₂ fixation ability, low contamination risk, low operation cost, be easy to harvest and rich in valuable components in their biomass.
ISSN:0734-9750
1873-1899
DOI:10.1016/j.biotechadv.2010.11.001