Continuous crystallization in draft tube apparatus, reactors and dissolving tanks

A high performance impeller developped for draft tube apparatus as in continuous crystallization processes. The flow-optimized geometry of the blades creates an exceptional axial pumping and provides a well-balanced low shear flow field.

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The EKATO TORUSJET is the ideal impeller for draft tube applications like in continuous mass crystallization.

Especially shaped blades minimize the shaft power for a constant flow rate and pressure drop. This provides a controlled particle formation process and allows the production of large crystals with a narrow particle size distribution.


  • High efficiency / high axial pumping
  • Extremely high circulation rates and static heads possible
  • Low particle attrition / low shear on the crystallizate
  • Energy-efficient operation through the installation of geometrically optimized inlet and outlet guide vanes
  • Flexible adaptation of the system to process requirements 


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