Britain's Royal Mint plans to build a facility that will extract gold from electronic waste, using 'patented new chemistry' from a Canada-based firm, Excir. The South Wales plant, expected to be running in 2023, will recover gold and other precious metals from the circuit boards of cell phones and laptops. This will be done at room temperature, rather than the high temperatures needed for smelters to process e-waste. Construction begins this month. The plant is expected to process as much as 90 metric tons of circuit boards sourced from the UK each week, producing "hundreds of kilograms" of gold every year.