Revolutionizing Gold Processing

IXOS® Gold Extraction

Sixth Wave’s premier product is IXOS®, a line of extraction polymers formulated for deployment in the gold mining industry for the extraction of gold from cyanide leach solutions. IXOS® is designed to be more selective, more efficient, have higher capacity, and offer environmental benefits compared to current processing methods. Sixth Wave has completed extensive testing (in North and South America) in laboratory and field trials with some of the world’s largest gold mining companies, with confirmatory testing completed by independent mine sites, independent laboratories, and two major chemical corporations. Sixth Wave recently completely test work in South America that demonstrated significant advantages in gold recovery, operational savings, and the ability to enhance the client’s ESG posture.

IXOS® Gold Extraction Technology replaces Activated Carbon


SIXTH WAVE successfully completed the Green Alternatives for Gold Recovery Project with CTRI (, Mining and Process Solutions (Australia) and a global top ten mining company.

Noteworthy Results Reported by the CTRI Program Manager:

  • IXOS® Molecularly Imprinted Polymer Beads with GlyCat™
  • The only “green alternative” for gold recovery to cyanidation in view of the ore, methods, and conditions researched by CTRI
  • Recover gold with 90% less cyanide usage than conventional cyanidation
  • IXOS® recovery averaged 95% of “recoverable” gold
  • No breakage of IXOS® beads was identified with visual inspection
  • Stripping of beads resulted in 100% metal removal and analyses at CTRI, Sixth Wave and MPS Laboratories were equivalent
      • Strip was completed in under 2 hrs, at 60° C and with no pressure confirming substantially reduced energy requirements for IXOS®
    • Gold mass balance confirmed all performance results based on ore head grade, leach efficiency, and gold recovery by IXOS®
  • Cyanide destruction using ozone effectively removes all reagents from the leachate and other methods are under consideration
  • “Non-Toxic” ecotoxicity test recorded no daphnia or rainbow trout deaths
  • GlyCat™ primary lixiviant is recyclable and a less oxidizing destruction method
  • Residual glycine is confirmed as non-toxic indicating any traces of glycine is non-toxic
  • IXOS®-In-Leach (IIL) Technology continues to show profound successes

IXOS® has proven effective in the extraction of gold from cyanide leach solutions and the completion of Phase 1-2 of the Green Initiative has demonstrated the ability of IXOS® to extract gold from the pregnant leach solution generated by MPS’ GlyCat™ technology. IXOS® is superior to traditional activated carbon technology and demonstrates a higher selectivity for gold relative to other gangue materials, resulting in a higher gold capture than activated carbon.

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