| 摘要 |
Apparatus for treating a fluid material which apparatus comprises (a) a permeable element (22, 23) at least a portion of which is permeable to the fluid material and or, where the fluid material is treated with a fluid in apparatus according to the invention, to the fluid, which permeable element is rotatable about an axis, (b) means (28,29) to charge the fluid material to the permeable element and (c) means (31) to discharge the fluid material or a component or derivative thereof from the permeable element characterised in that the apparatus is adapted to discharge the fluid material or a component or derivative thereof from the permeable element axially distant the position at which the fluid material is charged thereto. |
