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Andritz starts up technologies for new Metsä bioproduct pulp mill

Aug. 20, 2017 - International technology Group Andritz says it has successfully completed start-up of the key production technologies for Metsä Group’s new bioproduct pulp mill with an annual capacity of 1.3 million tonnes of pulp in Äänekoski, Finland.

August 20, 2017  By Andritz

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

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

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


“Andritz is our long-term co-operation 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 co-operation useful to both partners. The result is a world-class mill, which was built on time and on budget,” noted Timo Merikallio, project director from Metsä Group.

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