PHOTOBIOREACTOR FOR CULTIVATING PHOTOTROPHIC ORGANISMS

The invention relates to a photobioreactor for cultivating phototrophic organisms, said photobioreactor including a tank (15, 25, 35, 45, 55, 65) comprising a culture medium, and a biomass located inside the tank that is in contact with the culture medium. The photobioreactor additionally includes at least one transparent or translucent conical or frustoconical structure (11, 21, 31, 41, 51, 61) located entirely or partially inside the tank (15, 25, 35, 45, 55, 65) and through which visible radiation penetrates said tank.