Brine concentration

Wastewater treatment

Customer: Canadian company leading producer of specialty metals and chemical products,

such as tellurium, cadmium and selenium and related compounds.

The German subsidiary fabricates high purity metals dedicated to the thin film

solar panel industry.

Customer’s needs: Finding a solution to concentrate about 4 m3/day of brine waste water coming

from the metals purification (cadmium sulphide and telluride) and recover this

costly products. To dispose the waste in a solid form (salt) and to achieve a ZLD

solution.

The solution achieved:

- Distillate recovered and reused in the production process (water reuse)

- Cd - Te recovery

- Important disposal cost reduction