Media filter


Media Filters




Media Filters

Contaminants within water can be removed by passing the water through a bed of specialised media.

  • Suspended solids are removed by physically filtering the water through the media.
  • Certain other contaminants such as Iron may be removed by use of a specialist media containing a catalyst. The catalyst initiate’s precipitation of the contaminant, which is then removed by physical filtration.
  • Chlorine and some organically derived material is removed by activated carbon

As filtration proceeds, the filter bed gradually becomes fouled such that the filter requires backwashing.

Flow through the bed is reversed via an automatic multi-port valve, whereby the accumulated debris is discharged to drain.

The filter is automatically returned to service when the backwashing is completed.

(Initiation of the backwash is via a time clock control that is contained within the multi-port valve controller). 

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