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South African Gold Processing Plant

2023-04-18 Xinhai (256)

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South Africa has a rich history in gold mining, and the industry has played a significant role in the country's economy for over a century. The Witwatersrand Basin in South Africa is one of the largest gold deposits in the world, and the country has produced over 40,000 tonnes of gold to date. The country is home to some of the world's deepest mines, including Mponeng Mine, which is currently the world's deepest gold mine at 4,000 meters.

There are several gold processing plants in South Africa that process gold ore from various mines into refined gold. One of the largest gold processing plants in South Africa is the Randfontein plant, which is located west of Johannesburg. The plant has been in operation since 1952 and has a capacity of processing up to 120,000 tonnes of ore per month.

The gold processing plant at Randfontein is a typical hydrometallurgical facility that uses a combination of gravity separation, flotation, and carbon-in-pulp (CIP) to extract gold from ore. The process begins with the crushing and grinding of the ore, followed by gravity separation to separate coarse gold from the ore. The coarse gold is then further concentrated using flotation, which separates the remaining gold particles from the gangue minerals.

The final step in the process is the CIP process, which involves the leaching of the gold-containing slurry with cyanide. The gold-cyanide complex is then adsorbed onto activated carbon, which is then separated from the slurry and the gold is stripped from the carbon using an elution process. The gold is then further refined using smelting to produce a gold bullion product.

Other gold processing plants in South Africa use similar processes to extract gold from ore, although the specific processes may vary depending on the ore source and the capacity of the plant. For example, some plants may use carbon-in-leach (CIL) instead of CIP, while others may use different combinations of gravity separation and flotation.

In addition to the hydrometallurgical processing of gold, some plants in South Africa also use the traditional method of gold refining, which involves melting the gold into a bullion product. This method is typically used for smaller-scale operations, and the resulting gold product may be sold to refiners or directly to the market.

Overall, South Africa's gold processing plants play a critical role in the country's economy and in the global gold industry. The plants use advanced technologies and processes to extract gold from ore, and the industry employs thousands of people in a variety of roles, from mining and processing to management and administration.

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