This review presents an updated data on various technologies for the processing of
refractory gold-bearing sulfide concentrates. It primarily focuses on the hydrometallurgical …

Thiosulfate is a lixiviant with potential applications for extraction of precious metals with
lower environmental impact. As an alternative leaching reagent to cyanide, thiosulfate has …

Abstract Response Surface Methodology and Box-Behnken Design have been applied to
optimize microwave-assisted roasting of refractory gold ore. The roasting is used as a …

The recovery of gold from refractory ore could guarantee sustainable development in the
gold industry. However, there are many challenges in the treatment of ore, such as …

Abstract Glencore Technology's Albion Process™ is a combination of ultrafine grinding and
oxidative leaching at atmospheric pressure, providing a proven effective, safe, and robust …

At the present time, the average grade of gold in deposits being mined is decreasing, and
the prevalence of feed components that negatively impact the cyanidation process, is …

Chah-Zard is a refractory gold ore mine which yields less than 20% recovery in direct
cyanidation, due to the encapsulation of a significant portion (80%) of gold within pyrite. This …

Al tiempo que los minerales de óxido sin tratamiento químico se han visto mermados, las
operaciones están progresivamente buscando extraer y tratar depósitos de sulfuros. La …

As free-milling oxide ores become depleted operations are progressively looking to mine
and treat sulphide deposits. Whilst pressure oxidation (POX) is typically the default …