Direct capture and conversion of CO from air by growing a cyanobacterial consortium at pH up to 11.2.

Authors:
Yihua Liu
Yihua Liu
Zhejiang University
China
Marc Strous
Marc Strous
Radboud University Nijmegen
Netherlands
Agasteswar Vadlamani
Agasteswar Vadlamani
The University of Toledo

Biotechnol Bioeng 2019 Jul 8;116(7):1604-1611. Epub 2019 Apr 8.

Department of Geoscience, University of Calgary, Calgary, Alberta, Canada.

Bioenergy with carbon capture and storage (BECCS) is recognized as a potential negative emission technology, needed to keep global warming within safe limits. With current technologies, large-scale implementation of BECCS would compromise food production. Bioenergy derived from phototrophic microorganisms, with direct capture of CO from air, could overcome this challenge and become a sustainable way to realize BECCS. Here we present an alkaline capture and conversion system that combines high atmospheric CO transfer rates with high and robust phototrophic biomass productivity (15.2 ± 1.0 g/m /d). The system is based on a cyanobacterial consortium, that grows at high alkalinity (0.5 mol/L) and a pH swing between 10.4 and 11.2 during growth and harvest cycles.

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http://dx.doi.org/10.1002/bit.26974DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6593468PMC

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July 2019

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References

(Supplied by CrossRef)
Extremophilic micro‐algae and their potential contribution in biotechnology
Beardall J. et al.
Bioresource Technology 2014

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