BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1 is a diagrammatic representation of a reactor plant with a bypass which contains a filter for separating off product and which is arranged upstream of the photosynthetic module;
FIG. 2 is a diagrammatic representation of a reactor plant with a bypass which contains a filter, arranged outside the vessel, for separating off product and which is arranged upstream of the photosynthetic module; and
FIG. 3 is a diagrammatic representation of a reactor plant with a bypass which contains a filter for separating off biomass and which is arranged upstream of the photosynthetic module.