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The largest autoclave in world gold mining will operate in Amursk

The largest autoclave in world gold mining will operate in Amursk
Photo: the press service of "Polymetal"

The main equipment of the second autoclave line of the Amur Polymetal Hydrometallurgical Plant was sent from Belgium to Amursk. The autoclave produced by Coek Engineering has become the largest in the global gold mining industry.

According to the Polymetal press service, the autoclave will make its way through half the world: in Belgium it was loaded onto a sea vessel, in the port of De Kastri in the Khabarovsk Territory equipment will be transferred from sea to a river vessel, which will deliver it to Amursk. It should come to the site of the Amur MMC in the third quarter of this year.

The length of the autoclave made of steel with titanium lining is 50 meters, the inner diameter is about six meters, weight is about 1 tons. High temperature operation and a pressure level of 100 bar are optimal for processing twice-resistant gold-bearing concentrates with various properties.

The equipment was named after Nikolai Vorobyov-Desyatovsky - doctor of chemical sciences, professor. He is a world-famous scientist in the field of gold hydrometallurgy, worked for many years at Polymetal and made a huge contribution to the development of the company.

A second autoclave line will appear next to the current Amur MMC. The design capacity of the new facilities will be 250-300 thousand tons of concentrate per year. The company plans to commission a second line in the third quarter of 2023. About 400 new jobs will be created to service unique equipment.

According to Vadim Kipot, Managing Director of the Amursky MMC, the construction of a second autoclave line will allow the creation of a strategically important universal center for processing gold-bearing concentrates of refractory and double-refractory ores on the basis of the Amur MMC. It is important that high-temperature autoclave oxidation is the most environmentally friendly technology for the extraction of gold from refractory materials in the world.

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