Fig. 1
Ethanol photosynthetic production of an engineered cyanobacteria strain Syn-HZ24 in lab scale and in non-sterilized outdoor cultivations. a 3.5 L tank photobioreactor used for sterilized cultivation in lab. b Growth (open square), ethanol accumulation (open triangle) and pH (open circle) values of Syn-HZ24 sterilized cultivation in tank photobioreactor supplied with 5% CO2–air stream. c 6 L hanging membrane photobioreactors used for non-sterilized outdoor cultivations. d Growth (open square), ethanol accumulation (open triangle) and pH (open circle) values of the outdoor cultivations in hanging membrane photobioreactor supplied with 5% CO2–air stream