Precious Metals Recovery from Low-grade Resources. Proceedings: Bureau of Mines Open Industry Briefing Session At the National Western Mining Conference, Denver, Colorado, February 12, 1986.
MISSING :56 pages
This information circular describes research the Bureau of Mines has conducted to improve technology for recovering precious metals from low-grade resources. Many of the reported findings are recent, and some of the work described is ongoing. Topics discussed include cyanidation of carbonaceous gold ores to enhance gold recovery, a new method for precipitating mercury during cyanide leaching of gold ores, a staged heap leaching process to generate suitable solutions for direct electrowinning of gold, and use of anion-exchange resins to recover gold from cyanide solutions, and precious metals recovery from electronic scrap.
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