Smelting
Readily smelt-able materials are melted on-site and cast into homogeneous ingots for weighing and sampling for further processing. Other materials are chemically and/ or thermally processed prior to smelting.
Materials smelted on site for precious metals recovery include:
Industrial
- Danglers and media
- Wire
- Filters
- Ion exchange resin
- Plated gold from spent cyanide solutions
- Filter cake
Jewelry
- Karat scrap
- Manufacturing scrap
- Casting scrap
- Files
- Diamond break-out
- Sterling silver
- Gold plate / gold filled
- Coins
Dental & Medical
- Crowns and bridges
- Teeth
- Vacuum bags
- Grindings
- Catheter tips
- Platinum electrodes