Answer / rahat

Backwashing

After the resins are exhausted, the bed is backwashed.
Backwashing is carried out by a uniform upward flow of water
through the resin bed. The backwash step expands the resin
bed releasing any entrapped particulate matter & removes the
channeling in the resin column if occurred during the
service cycle.

Answer / k. k.basha

softner bed is backwashed when the resins are exhausted,
resin bed releasing any entrapped mass & removes the
performed matter.

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