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Solution purification and metals recovery

Outotec® Solution Purification technologies consist of different combinations of commonly used processes as well as special process solutions. Solvent extraction and precipitation technologies are the core of Outotec® Solution Purification Processes.

The most common method for solution purification is Outotec® Solvent Extraction Process utilizing Outotec VSF® technology, connected with Outotec® Electrowinning Process for metal recovery. Outotec VSF® technology ensures excellent electrolyte purity, which is of vital importance for high-grade metal production.

Metals can also be precipitated from the solution in Outotec OKTOP® Reactors. Outotec® Sulfide Precipitation Process can be applied to the recovery of nickel, copper, cobalt, zinc, antimony, etc. 

Outotec® Neutralization Process and cementation technologies are tailored for different applications depending on the process and the neutralization and cementation agent used.