Thiosulfate leaching is emerging as a promising alternative to traditional cyanidation methods in gold extraction. This process utilises thiosulfate as a lixiviant, offering enhanced environmental ...

95 to 99% Recovery of Gold 73 to 97% Recovery of Silver Includes the Recovery of 99% Au and 73% Ag from Drill Core Composite at 120-meter Depth "The Bulk Sample process has been extremely important to ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Chinese researchers have discovered a fast, low-cost and environmentally cleaner method for extracting gold from electronic waste, ...

TORONTO, March 02, 2026 (GLOBE NEWSWIRE) -- Emerita Resources Corp. (TSX-V: EMO; OTCQX: EMOTF; FSE: LLJA) (the “Company” or “Emerita”) is pleased to announce results from metallurgical tests using the ...

The Environmental Protection Agency (EPA) has launched sweeping nationwide measures to clamp down on unregulated gold leaching, warning illegal operators to comply with new environmental standards or ...