Metallic filter media in dynamic crossflow filtration
In contrast to classic crossflow filtration, in dynamic crossflow filtration with the BoCross filters (photo, p. 38), the typical tangential overflow of the filter surface is not generated by the geometric flow control in the apparatus, but by rotors. This principle offers decisive process advantages, because the physical conditions for the separation process are nearly ideal. The throughput is therefore up to 10 times higher than with classic crossflow filtration, the company says. Furthermore, it is also possible to process suspensions with high concentrations or viscosities, because there are no narrow spaces and gaps. In particular, the use of metallic filter media in dynamic crossflow filtration with the BoCross filters enables versatile and completely new process solutions. For tasks such as classifying, clarifying liquids and concentrating solids, these new processes offer powerful solutions where state-of-the-art technologies, such as wedge-wire screen, candle filters, backflush filters, vibration screens, centrifuges or membrane filters reach their limits. Hall 8, A45 — Bokela GmbH, Karlsruhe, Germany