CARRIERE DE KAOLIN

Gravimetric separation

Gravimetric separation, or concentration by gravity, is a common technique. It is used in ore beneficiation and silica sand washing. It aims to separate minerals of different densities according to their density.

Solutions used in the gravimetric separation process

Easy to use and reliable the hydraulic classifier Lavodune® enables gravimetric separation of solids of different densities.

Gravimetric spirals are also used in this process. Their principle is based on a two-stage operation:

  • centrifugal force;
  • particle sedimentation.

The less dense particles flow towards the outside of the spiral, while the denser particles remain close to the central axis.

video gravimetric separation: spirals

 

spirales séparation gravimétrique

Case studies

Manganese Comilog cle main Neyrtec Mineral

Manganese ore processing

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Carrière de granulats

Aggregates washing

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Ask us any questions you may have about spirals. We’ll respond by adapting to your needs.

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