abstract |
Apparatus and process for treating a liquid material by charging the liquid material to a permeable element (9), rotating the permeable element about an axis (4) such that the liquid material flows radially outwards and collecting at least a portion of the liquid material or a derivative thereof characterised in that the permeable element (a) interacts with the liquid material or a portion thereof, and/or (b) allows a suspension, dispersion or slurry to flow therethrough. |