Reactor with a rotatably disposed reactor unit

Reactor (10) having a rotatably disposed reactor unit (12) having a first chamber and a second chamber, the first chamber is formed by the interior of a housing (20) and wherein the second chamber through the interior of one or more of arranged first chamber hollow fibers (30) is formed, which via an inlet (40) and an outlet (50) are equipped, wherein the hollow fibers (30) in the housing (20) are arranged in such a way that gas flowing in through the hollow fibers (30) medium is conducted in at least two opposite directions and that the possibility of mass transfer between the two chambers during the flow through the hollow fibers (30) in at least two of the opposite directions.