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Sedimentation / Lamella sedimentation

Sedimentation / Lamella sedimentation tank

In sedimentation, suspended particles are removed from water under the force of gravity. Clients can opt for a large basin/tank in which the particles sink to the bottom and are removed by means of scrapers (this requires a long retention time and a large amount of space).



 
bezinking

Another common technology is the use of the lamella sedimentation tank in which a large number of plates are positioned at an angle to create a large sedimentation surface. The suspended particles settle and are collected in a cone under the plates and discharged periodically. The big advantage of this increased sedimentation surface is that the tank does not have to be so large


 
lamellenseparator_met_buizenflocculator

Lamella separator

The lamella sedimentation tank is available in various models, the following aspects playing a role in the selection process:
  • capacity;
  • required projected area;
  • sedimentation area (depending on the surface loading rate);
  • equipped with a sand trap;
  • setting up of lamella with the flow or counter to the flow;
  • coated steel or stainless steel model (plastic is also possible for smaller sedimentation tanks);
  • centre-to-centre distance of the lamella
sedimentation tank
The standard models Logisticon has developed are based on a counter-flow model with projected surfaces of 20, 40, 60, 80 and 100 m². Should another design be required, we can arrange it for you in joint consultation. We have a selection of lamella sedimentation tanks (including full-scale versions) available in our rental fleet which you can use to treat your water on a temporary or trial basis. The application of a pipe flocculator (in combination with polyelectrolyte or PE dosing) is also possible.