In mining, cyanide spills can cause fish kills and other problems, most recently at a river in Ghana last week downstream from a gold mine. While cyanide in mining is nothing new, using heap leaching ...

Or the Golden Sunlight Mine, near Whitehall, from which pit water will need to be pumped and treated in perpetuity, or the Kendall Mine near Lewistown. In 1998, voters in Montana banned cyanide ...

LEADVILLE, Colo.--(BUSINESS WIRE)--CJK Milling Company, LLC (CJK) is excited to announce the elimination of cyanide in our mill extraction process. “We listened to the concerns of the Leadville ...

VANCOUVER, B.C, Oct. 23, 2023 /PRNewswire/ -- Gold Port Corporation (CSE: GPO) (OTCQB: GPOTF) (the "Company") is pleased to announce that leach test work is underway using a new and innovative ...

HELENA - A Whitehall consulting firm, backed by money from mining company Canyon Resources Corp., took the first formal step Tuesday toward repealing Montana's 1998 ban on cyanide leach mining. Tammy ...

While cyanide in mining is nothing new, using heap leaching to process gold didn't come along until the 1970s, McCullough said, when the first such mine was opened in Nevada. The process opened up the ...

Chinese scientists have developed a rapid e-waste mining method that extracts gold in under 20 minutes at around one-third of ...

Draslovka has the widest global reach of any global sodium cyanide (NaCN) supplier and provides most of the world's gold mining operations with NaCN for their leaching needs. Using this expertise in ...

PRAGUE--(BUSINESS WIRE)--Draslovka a.s. (‘Draslovka’), a leading specialty chemicals company, announces it has executed a user license with Bayan Airag Exploration LLC in Mongolia for the world's ...

RENO, Nev., July 28, 2020 /PRNewswire/ -- Itronics Inc. (OTC: ITRO), an emerging "Cleantech Materials" growth Company that produces GOLD'n GRO Multi-Nutrient Fertilizers and Silver, updates its ...

CJK Milling Company Selects Extrakt Process Solution’s TNS™ and its Non-Cyanide Leach Technology to Recover Gold and Silver for Its Remediation Operation in Leadville, Colorado CJK Milling Company, ...