Metso Full portfolio High Compression Thickener
Metso High Compression Thickener (HCT) is a market leading technology for slurry thickening, based on proven successful innovations developed over decades, guaranteeing high performance even under variable process conditions.

Market leading innovation in material transport of solids

Investing in R&D and continuous product improvement / development

Leading process expertise and know-how

Proven testwork methods

High Compression Thickener

Typical Applications

  • Counter Current Decantation (CCD)
  • Tailings
  • Pre and post-leaching duties
  • Mineral sands slimes
  • Clay duties


Reactorwell™ is a part of HCT. It's a first-class feed system that maximizes thickener performance while minimizing flocculant consumption and bringing significant cost efficiencies to your operations.

The Reactorwell enables maximum thickener usage due to a higher exit symmetry, resulting in better thickener operability & improved response to process changes. It also enables improved overflow clarity with higher underflow density.

Directional Autodil™ feed dilution system

To decrease the level of feed solids prior to flocculation, we have developed a patented directional autodilution system that harnesses the natural head difference across the feedwell wall. This drives supernatant liquor into the feedwell, where slurry dilution, mixing, and flocculation take place. Autodilution ensures the density in the feedwell is within the optimum range for flocculation, irrespective of feed flow rate or density.

Turbodil™ feed dilution system

We have developed the Metso Turbodil patented system of forced dilution to provide an effective feed dilution scheme for alternative process requirements. The system uses a low head axial pump to drive dilution water into the feedwell.

Metso Turbodil can help meet your requirements when:

  • The process requires a high degree of feed dilution
  • Dilution systems need to operate over a wide feed volume variation
  • A high-feed density thickener operation requires simultaneous dilution to low-feed solids
  • Large feedwell diameters require more mixing energy than is generated by the incoming feed

Customer cases & blogs

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