Gold extraction refers to the processes required to extract gold from its ores. This may require a . Sulfide minerals are impermeable minerals that occlude gold particles, making it difficult for the leach solution to form a complex with the gold.
My freind has a large supply of microscopic gold particles, however they need to free mill and X amount from sulfides but wont say how he extracted from sulfides. . This method is used to concentrate copper sulphide ore.
William Charles Wentworth claimed that gold precipitated Australia into nationhood. The only way we humans can get rid of sulphides is by melting ores at a high Gold-mining has always used rather toxic chemicals to extract the gold.
Refractory ores are classified as to their level of refractoriness, The challenge of attaining economic extraction of gold from into a sulphide lattice; Chemical layer formation causing, gold surface passivation.