Extracting gold from ore is a poisonous business. The most common method is cyanide leaching, where cyanide salts in solution are used to suck the gold out from its ore. You get gold, but you also get ...
A Cornell University-led research team has created a new process to extract 99.9% of the gold from electronic waste to help turn carbon dioxide into useful organic materials. Discarded electronics are ...
Chinese researchers have discovered a fast, low-cost and environmentally cleaner method for extracting gold ...
Forward-looking: A team of Australian researchers has unveiled a breakthrough method for extracting gold that could dramatically reduce the environmental and health hazards long associated with mining ...
ETH Zurich researchers have developed a sustainable method to recover gold from electronic waste. The method uses a sponge made from denatured whey proteins that selectively adsorb gold ions. The ...