From waste to gold: Using whey to turn old phones into gold | Časzazemljo.si

Gold is shining brighter and brighter on the stock market and breaking new records. Researchers from ETH Zurich have made a groundbreaking discovery. They have figured out how to extract this precious metal from electronic waste in a green way. Their highly sustainable new method is based on a special protein sponge material that they obtain – you won’t believe it – from whey.