Gold Mining Processing Plant In Ethiopia,Gold Mine Processing

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Gold mining in Ethiopia is a significant sector of the country’s economy. Gold deposits are widespread throughout the country, with the largest concentration located in the western and eastern parts of the country. The majority of gold mining in Ethiopia is done on a small scale by individual miners and artisanal mining groups. However, there are also several large-scale gold mining operations in the country, including the Lega Dembi gold mine in the Sidamo province and the Minerals gold mine in the Oromia and Amhara regions.

The Lega Dembi gold mine is located in the southern part of the country, approximately 320 kilometers south of the capital city of Addis Ababa. The mine is owned by the Midroc Gold company, which is a subsidiary of the Saudi Arabian mining company, MIDROC. The Lega Dembi gold mine is the largest gold producer in Ethiopia, producing approximately 50-60% of the country’s total gold production.

The gold ore at the Lega Dembi mine is primarily extracted using open-pit mining methods. Once the ore is extracted from the mine, it is transported to the processing plant where it is crushed and ground into a fine powder. This powder is then mixed with water and chemicals to create a slurry, which is then sent through a series of processes to extract the gold.

The first step in the gold extraction process is known as leaching, which involves the use of a cyanide solution to dissolve the gold. The slurry is placed in large tanks known as leach tanks, where the cyanide solution is added. The cyanide solution reacts with the gold in the slurry, causing the gold to dissolve into the solution.

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After the gold has been dissolved into the cyanide solution, it is separated from the ore using a process called carbon-in-pulp (CIP). In the CIP process, the slurry is mixed with activated carbon, which binds to the gold and removes it from the solution. The activated carbon is then removed from the slurry and the gold is stripped off the carbon using a series of chemical reactions.

The gold-rich solution is then sent to a series of electrowinning cells, where the gold is recovered through a process called electrowinning. In electrowinning, an electric current is passed through the solution, causing the gold to plate onto a cathode. The cathode is then removed from the electrowinning cell and the gold is scraped off and melted into bars.

The Minerals gold mine is located in the Oromia and Amhara regions of Ethiopia, approximately 500 kilometers northwest of the capital city of Addis Ababa. The mine is owned by Minerals, a joint venture between the government of Ethiopia and a private equity firm. The Minerals gold mine is the second-largest gold producer in Ethiopia, producing approximately 30% of the country’s total gold production.

The gold ore at the Minerals mine is extracted using both open-pit and underground mining methods. Once the ore is extracted from the mine, it is transported to the processing plant where it is crushed and ground into a fine powder. This powder is then mixed with water and chemicals to create a slurry, which is then sent through a series of processes to extract the gold.

The gold extraction process at the Minerals mine is similar to the process used at the Lega Dembi mine. The slurry is placed in leach tanks and a cyanide solution is added to dissolve the gold. The gold-rich solution is then separated from the ore using CIP and the gold is recovered through electrowinning.