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Metsä Fibre bioproduct mill in Kemi, Finland_Coyright Metsae Group

Metsä Fibre selects ANDRITZ for major cooking system modernization at Kemi mill

2026/05/12

Metsä Fibre, part of the Metsä Group, has selected international technology group ANDRITZ to modernize the cooking system at its bioproduct mill in Kemi, Finland.

Start-up is scheduled for the fourth quarter of 2026.

“The equipment and solutions from ANDRITZ will enable us to improve availability and cooking yield, increase flexibility in raw material usage, and support us in reaching our planned production levels,” says Ismo Nousiainen, CEO of Metsä Fibre Oy.

The modernization covers the conversion of the existing cooking system to ANDRITZ single-vessel LoSolids continuous cooking technology, which enables the mill to process both softwood and hardwood. The scope of supply also includes the TurboFeed chip feeding system with a new Diamondback chip bin, and a vapor reboiler to improve digester heat recovery and minimize odorous gas emissions.

With the modernized cooking plant, the mill can produce a total of 1.5 million tons of softwood and hardwood pulp per year.

This order further strengthens the long-standing business relationship between Metsä Fibre and ANDRITZ. Among other supplies, ANDRITZ has delivered several key production technologies – including the complete fiberline – to Metsä Fibre’s Äänekoski bioproduct mill.

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Metsä Fibre bioproduct mill in Kemi, Finland

© Metsä Group

ANDRITZ GROUP
International technology group ANDRITZ provides advanced plants, equipment, services, and digital solutions for a wide range of industries, including pulp and paper, metals, hydropower, environmental, and others. Founded in 1852 and headquartered in Austria, the publicly listed group employs about 30,000 people at 280 locations in over 80 countries.
As a global leader in technology and innovation, ANDRITZ is committed to fostering progress that benefits customers, partners, employees, society, and the environment. The company’s growth is driven by sustainable solutions enabling the green transition, advanced digitalization for highest industrial performance, and comprehensive services that maximize the value of customers’ plants over their entire life cycle. ANDRITZ. FOR GROWTH THAT MATTERS.

ANDRITZ PULP & PAPER
ANDRITZ Pulp & Paper provides sustainable technology, automation, and service solutions for the production of all types of pulp, paper, board and tissue. The technologies and services focus on increased production efficiency, lower overall operating costs as well as innovative decarbonization strategies and autonomous plant operation.

The product portfolio also includes boilers for power generation, various nonwoven technologies, and panelboard (MDF) production systems. With waste-to-value recycling, shredding and energy solutions, waste and by-product streams from production are converted into valuable secondary raw materials as well as into sustainable resources for energy generation. State-of-the-art IIoT technologies as part of Metris digitalization solutions complete the comprehensive product offering.