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April 29, 2008

Outotec to perform HydroCopper process tests

Gerald Ondrey

Outotec Oyj (Espoo, Finland; has agreed with Zangezur Copper-Molybdenum Combine AG of Germany upon continuous test runs to be performed with Zangezur's concentrate at Outotec's HydroCopper demonstration plant in Pori, Finland.
Zangezur is planning to build a HydroCopper plant producing 27,000 m.t./yr of copper at Zangezur mine in Kajaran, Republic of Armenia. Outotec has made successful batch leaching tests with Zangezur copper concentrate. The following step, continuous test runs with Zangezur concentrate, will be performed in Outotec's HydroCopper demonstration plant in Pori during the second half of 2008. The companies have also signed Heads of Agreement for the basic engineering and implementation of a HydroCopper plant in Armenia.
Outotec's HydroCopper technology is a result of extensive research and development work carried out at Outotec's research facilities in Finland. HydroCopper is an advanced process, which produces copper semi-products directly from copper concentrate at the mine site.
"This is an important step in the commercializing of our HydroCopper process. We have concluded the pre-engineering phase of the first HydroCopper plant for Mongolian Erdenet Mining Corp. and the negotiations for the plant implementation continue. This new Armenian project demonstrates the attractiveness of the technology for medium-sized copper production plants", explains Martti Nurmisalo of Outotec.

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