Large-Scale Cultivation of for Biological CO Mitigation in Open Raceway Ponds Using Purified CO From a Coal Chemical Flue Gas.

In order to select excellent strains with high CO fixation capability on a large scale, nine species were cultivated in columnar photobioreactors with the addition of 10% CO. The two species selected (208 and 220) were optimized for pH value, total dissolved inorganic carbon (DIC), and phosphorus content with intermittent CO addition in 4 m indoor raceway ponds. On the basis of biomass accumulation and CO fixation rate in the present study, the optimum pH, DIC, and phosphate concentration were 9.