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Outotec, Petropavlovsk Group, Amur region, Russia

Pokrovskiy autoclave and hydrometallurgical plant

Global leader in minerals and metals processing technology, Outotec Oyj, has carried out the detail engineering and delivery of gold pressure oxidation (POX) technology with the Russian Petropavlovsk Group of Companies during 2012-13. The company is the third biggest gold producer in Russia.CTS Engtec was responsible for layout design, process instrumentation, process piping and process electrification of Pokrovskiy autoclave and hydrometallurgical plant, which is located in Amur region, Russian Far East.

The contract further strengthens CTS Engtec´s position as one of the leading engineering companies in mining and metals industry.

More information: Pekka Veisto, Project Manager, mob. 040 5073 518,


Pokrovskiy is a hard-rock open-pit gold mine located in the Amur region. The mine was the Group’s first: acquired at an early stage of exploration in 1994, Pokrovskiy produced its first gold from its heap-leach facility in 1999. In 2002, its resin-in-pulp ("RIP") plant was commissioned. To date, the more than 1.85Moz of gold have been recovered from Pokrovskiy