Sources of precious metals
There are many sources of precious metals in the modern society.
Jewelers' wastes and scrap jewelry.
Base metals present in precious metal wastes.
Old electroplating and stripping solutions.
Economics of refining the various kinds of wastes.
Electronic waste contains a wide variety of scrap. All from computers to home appliances. This is a short list of some of the more common material an electronic recycler might run into.
- Personal computers
- Server computers
- Communication equipment
- Mobile phones
- Home appliances
- Electric centrals
- Power electronics
Laboratory chemical waste
Many chemical labs uses platinum or palladium catalysts for different reactions. To minimize cross-contamination the catalysts are often only used once. The waste is sometimes collected separately from other chemical waste.
- NurdRage : Platinum Recovery from Laboratory Chemical Waste, part 1
- NurdRage : Platinum Recovery from Laboratory Chemical Waste, part 2