Outotec recently announced it has agreed with ZAO Komi Aluminum on the design and delivery of two alumina calciners for the Sosnogorsk Alumina Refinery in the Republic of Komi, Russia. The contract value exceeds EUR 20 million.
Outotec's scope of delivery covers the engineering, supply of special equipment and services for a calcination plant with two circulating fluid bed calciners. Each calciner has a capacity of 2,640 tonnes alumina per day. The total annual capacity of the new refinery will be 1.4 million tons of alumina.
The new calcination plant is expected to be operational by the end of 2008.
In the aluminum production process bauxite is first digested with caustic soda to extract and precipitate pure aluminum hydroxide, which is then calcined to alumina. Alumina is the main raw material in aluminum production.
Since 1968, when the first industrial plant for alumina calcination based on circulating fluid bed technology was designed in Germany by Lurgi, Outotec has delivered over 50 alumina calcining plants all over the world. These two units for Komi will, however, be Outotec's first alumina calciner deliveries to Russia.
In other Outotec news the company also contracted with OCK a Bulgarian lead and zinc producer to provide a new technological solution to boost production capacity and reduce gas emissions. The contract is estimated at ˆ25 million and includes delivery and assembly. This contract is part of a larger capital investment plan for zinc operations at the facility. OCK plans to increase zinc production to 45 million tons by 2009 and the Outotec deal is an integral part of that increase.
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