28 PROJECTS & CONTRACTS
Pulp Paper & Logistics
Up to €250m in orders for Metsä Fibre’s next-generation pulp mill in Finland
to produce 1.3 million tons of pulp a year could have its key production technologies supplied by Andritz and Valmet. The biggest-ever investment in Finland’s forest industry, the Metsä Fibre project is described as a next-generation pulp mill for the conversion of raw wood into bio-materials and bio-energy as well as high-quality pulp. No fossil-based fuels will be used for energy, which will all be derived from wood. Metsä Fibre had yet to make
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the decision to go ahead with the project at the beginning of March. If the prerequisites for the investment are met, the decision will be made this spring, meaning that production at the new mill could begin in 2017. The order for the mill at Äänekoski could be worth more than €100 million to Andritz and between €125 and €150 million to Valmet. Andritz has signed to supply: • A complete wood processing
plant with three debarking and chipping lines, three stacker-reclaimer chip handling systems, and bark handling. Each debarking line can process both softwood and hardwood, is designed for world record capacities (pine/spruce/birch: 470/350/270 cubic metre solid- over-bark per hour), and includes a de-icing conveyor, a debarking drum (5 x 48 metre), and the world’s biggest horizontally fed HHQ chipper, ensuring high
March/April 2015
project to build new €1.1 billion bio-product mill in Finland with capacity
capacity without compromising the chip quality. • A softwood and hardwood
fibreline comprising a chip feeding system, a two-vessel continuous cooking plant, a new evaporation system for liquor extraction, and seven DD (Drum Displacer) washers for brown stock washing and bleaching. The softwood capacity of this line will be the highest in the world by far (3,900 tons per day). • What is claimed to be the
world’s most energy-efficient black liquor evaporation plant with the highest capacity in Europe (1,650 tons/hour). The plant will have seven stages and concentrate black liquor to the very high dry solids content of 85 per cent for efficient combustion in the recovery boiler. In addition, Andritz will also deliver chloride
removal systems to enhance the chemical recovery process and to produce liquid methanol, which will be used as a biofuel source. • A recausticizing plant, which
will be the largest in Europe (white liquor production of 16,000 cubic metres/day), with two centrifuges for dregs, slaker- classifier, white liquor disc filter, and lime mud disc filter. Valmet has signed to supply engineering, procurement, supply and construction management of a recovery boiler, a pulp drying line, a lime kiln and a gasification plant. The recovery boiler would have
a capacity of 7,200 tonnes dry solids a day. The pulp drying line would have a trimmed width of 8.25 meters and a capacity of 2,700 air dry tonnes a day. The lime kiln would have a capacity
of 1,200 t/d and will be operated by renewable fuel provided by 87 MW product gas capacity biomass gasification plant. The gasification plant dries bark and gasifies it to product gas. “In projects like Äänekoski, we
can utilize our know-how in pulp and bio-product technology,” says Valmet’s pulp and energy business president Bertel Karlstedt. “In addition to bringing work to us our delivery also employs many other suppliers in the Nordics and Europe for engineering, manufacturing and installation. This delivery would employ Valmet employees especially in Finland, in the cities of Tampere, Ulvila, Jyväskylä and Raisio.” Part of the Metsä Group,
Metsä Fibre has four pulp mills in Finland with sales in 2014 of about €1.3 billion.
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