Outotec Silver Refining Process

The Outotec® Silver Refining Plant solution covers the full range of process steps and material-handling streams, from silver Doré anodes to silver granules and bars. It offers an unbeatable combination of innovative process technology, efficient handling, high flexibility, and safety. We also offer a full suite of support services to help you maximize plant uptime, including spares delivery and installation, and remote assessment of equipment status.

  • Short process time and low inventory
  • High total recovery (>99.99%)
  • ≥99.99% Ag-purity in cathode silver
  • Safe working environment with no toxic gas emissions
  • Highly automated process with low maintenance and manpower requirements
  • High throughput from Doré metal to fine silver