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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 ...

Getting your Trinity Audio player ready... A company that wants to extract gold from piles of decades-old mining waste outside Leadville no longer plans to use cyanide in its processes after hearing ...

A groundbreaking new technology for gold extraction from cyanide processes is revolutionizing the mining industry by significantly boosting precious metal recovery rates through the recycling of this ...

Getting your Trinity Audio player ready... LEADVILLE — Millions of tons of waste from decades-old mining operations sit in the hills east of town. The brown and orange piles of abandoned ore rise 30 ...

It said it had fielded "multiple inquiries" regarding whether cyanide in gold mining was banned within the European Union, which includes French Guiana. Montagne d'Or has a 2.75 million ounce gold ...

Sodari — Residents of Sodari in North Kordofan protested against the use of cyanide in extracting gold on Sunday. The protesters handed a memorandum to the Commissioner of Sodari demanding closure of ...

Refractory gold ores present significant challenges to conventional extraction methods. In these ores, gold is tightly encapsulated within sulphide minerals or locked by carbonaceous matter, thereby ...

University of Edinburgh researchers have developed a novel method for extracting precious metals, including gold, from mobile devices and other electronic gadgets. The process is novel not only in its ...

An environmental group has voiced concerns over a planned gold mine in Eskişehir, central Turkey due to its possible environmental impact. The Environmental Impact Assessment (EIA) report has been ...