Residue ‘upgrading’ is changing the chemical and/or physical properties of the residue. By making residues suitable for other applications, an added value is created. This includes, for example:

  • Reduction in overall processing costs
  • Environmental quality improvements
  • Separation/extraction of ferrous and non-ferrous metals

In order to determain the required upgrading technique, Rock Solid analyses the specific characteristics of the residue, on the basis of which the best upgrading technology is selected.

Rock Solid has gained experience with a various upgrading technologies, including crushing, screening, washing, bio-gradation, stabilisation and immobilisation. These technologies enable Rock Solid to upgrade different residues to a raw materials.