Sedimentation (treatment process)

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Settling of suspended, nonsoluble material out of water


To remove suspended solids. This has two effects:

  1. To reduce organic matter and possible toxic material attached to the solids
  2. Improve efficient and reduce amount of chemicals needed in downstream treatment processes.


The process uses a large tank. The tank is large enough that the water flow is very slow. This causes suspended solids to settle on the bottom. These settled solids are then occassional removed.

See also

Suspended Solids