Membrane device to separate liq. media

摘要

Device to separate liq. media, where the medium (14) to be sepd. is fed to each first side of two membranes (15,17) via an intermediate region (27) between the membranes. The second sides of both membranes border a common space (13) filled with a liq. carrier medium (19). The common space (13) may be closed during the sepn. process, and the flow channels at each first side of the membranes is measured such that the mean flow velocity v1 of the medium to be sepd. (14) on the first membrane (15) is less than the flow velocity v2 of this medium on the first side of the second membrane. The intermediate space (27) has a flow contraction (270) for the medium (14) to be sepd..