| |
| |
In the 1st case, filtering rate varies with time, whereas in the 2nd case, pressure–drop increases with time. |
- For ideal cake filtration, cake should be stable and large porosity. There are two common types of filters:
- The plate and frame press
- Rotary-drum filter
|
The plate and frame press filter |
- Consists of series of plates and frames sandwitched alternatively; cakes are built-up inside the frame–clamber. Cloth, filtering medium, is supported on a corrugated material. There are slurry and filtrate ports.
|
|
| |
(Fig. 35a) |
| |
|
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
|
|
|
|
