Sand regeneration for inorganic core sands

Due to the ongoing new classification into ever higher landfill classes, the disposal of used sand becomes all the more important for foundries.

With our newly developed wet regeneration for inorganic core sands all common AO-used sand from foundries and AO-special sands from the 3D-printing can be completely processed.


We guarantee:

  • Up to 60% energy savings
  • 90% strength vs. new sand
  • 98% flowability vs. new sand
  • <0.3% fine grain content
  • 98% degradation of  waste


Illustration of the complete process chain for sand regeneration:

  • Crushing / Classifying AO used sand
  • Pneum. conveying
  • Regeneration
  • Sifting / Classifying regenerated sand
  • Pneumatic conveying to silo
  • Or filling in big bags
  • Preparation of washing water


We are happy to carry out with your old sand corresponding regeneration attempts. The complete analysis and evaluation of all test series takes place under the supervision of a leading binder manufacturer and together with your molding laboratory.

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