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Solvent Extractants

We offer a broad range of solvent extractants for purification & concentration of copper, nickel/cobalt, molybdenum, rare earths and various other metals.

Our oxime-based ACORGA® range of copper extractants have a proven track record in the industry and are used by the largest copper producing mines in the world. They include a wide range of modified aldoximes, modified aldoxime:ketoxime blends, as well as specialized nitration-resistant and oxidation-resistant extractants. We can advise on the optimal reagent formulation to meet the specific conditions and challenges for a given operation.

Our phosphinic acid-based CYANEX® range of extractants are used in a wide range of metal applications such as:

  • separation of cobalt from nickel
  • separation of cobalt and nickel from manganese and magnesium
  • the extraction of molybdenum
  • recovery of rare earth elements

Solvay also offers a range of processing aids to promote organic phase quality, improve efficiency of clay treatment or optimize electrowinning operations.