Gravity separation is one of the oldest technique in mineral processing but has seen a decline in its use since the introduction of methods like flotation, classification, magnetic separation and leaching. Gravity separation dates back to at least 3000 BC when Egyptians used the technique for separation of gold.
Nov 22, 20170183;32;Gold majors Sibanye Stillwater and DRDGOLD have entered into an agreement to develop a massive surface tailings retreatment business. Sibanye Stillwater has entered into various agreements with DRDGOLD in Sibanye Stillwater will exchange selected surface gold processing assets and tailings
In 2002, before the construction of new tailings pool, the gold tailings in the old tailings pool was over 900 thousand ton. The gold content was about 1,665kg, while silver content was about 25t. Xinhai practice tailings re processing line in pulp in carbon factory, capacity was 300t/d, recycled gold and silver by using Gold
Minerals recovery from the earth's crust and the subsequent processing of economic mineral deposits, ie, ores, constitutes a wide variety of steps.