| 20120003734 | DEVICE FOR A PHOTOCHEMICAL PROCESS - The invention relates to a device for a photochemical process, such as a photocatalytic and/or a photosynthetic process, especially for the cultivation and production or hydrocultivation of preferably phototrophic micro-organisms. A reactor, especially a bioreactor, is provided, and a reaction medium, for example an aqueous solution or a suspension, is guided in the reactor in a meandering manner. The reactor through which the reaction medium ( | 01-05-2012 |