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Andritz successfully starts up key production technologies for Metsä Group’s Äänekoski bioproduct mill

Austria-headed international technology group Andritz AG has successfully completed start-up of the key production technologies for Metsä Group’s new 1.3 million tonne-per-annum capacity bioproduct pulp mill in Äänekoski, Finland. According to a statement, all Andritz processes were started up successfully according to the agreed schedules.

Amongst other things, Andritz supplied three chipping lines to Äänekoski (photo courtesy Sami Karppinen / Metsä Group).

Andritz supplied the following equipment to Metsä Group’s bioproduct pulp mill:

  • a wood processing plant, including three debarking and chipping lines, with the highest capacity in the world (pine/spruce/birch: 470/350/270 m3 solid-over-bark per hour)
  • a flexible softwood/hardwood fiberline with the highest softwood capacity in the world (3 900 tonnes-per-day)
  • the world’s most energy-efficient black liquor evaporation with the highest capacity in Europe (1 650 tonnes-per-hour)
  • the largest recausticizing plant in Europe (white liquor production of 16 000 m3 per day)

The core equipment supplied by Andritz originates mainly from Finland, with a significant part being fabricated at the Andritz workshop in Savonlinna.

Andritz is our long-term cooperation partner with whom we have developed our mills consistently. In the bioproduct mill project, we have used an open-book project model, which has created good prerequisites for cooperation useful to both partners. The result is a world-class mill, which was built on time and on budget, said Timo Merikallio, Project Director, from Metsä Group in a statement.

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