Robust, high-productivity phototrophic carbon capture at high pH and alkalinity using natural microbial communities.

ABSTRACT:

Background

Bioenergy with carbon capture and storage (BECCS) has come to be seen as one of the most viable technologies to provide the negative carbon dioxide emissions needed to constrain global temperatures. In practice, algal biotechnology is the only form of BECCS that could be realized at scale without compromising food production. Current axenic algae cultivation systems lack robustness, are expensive and generally have marginal energy returns.

Results

Here it is shown that microbial communities sampled from alkaline soda lakes, grown as biofilms at high pH (up to 10) and high alkalinity (up to 0.5 kmol m^-3 NaHCO₃ and NaCO₃) display excellent (>1.0 kg m^-3 day^-1) and robust (>80 days) biomass productivity, at low pr

SUBMITTER: Sharp CE 

PROVIDER: S-EPMC5372337 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature