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  • Stora Enso successfully starts up energy efficient ANDRITZ LimeCool system at Imatra pulp mill, Finland

Stora Enso successfully starts up energy efficient ANDRITZ LimeCool system at Imatra pulp mill, Finland


ANDRITZ’s sustainable lime cooling system helps Stora Enso Imatra to achieve higher energy efficiency compared to conventional satellite cooling and reach its sustainability goals.

International technology group ANDRITZ has successfully delivered, installed and commissioned an energy efficient LimeCool system at Stora Enso’s pulp mill located in Imatra, Finland. The start-up took place at the end of 2022.

The innovative ANDRITZ LimeCool system is designed to use the heat of the processed hot lime in the lime kiln. This enables to achieve higher energy efficiency of the white liquor plant and an increase in the production of high-quality lime when compared to conventional separate satellite coolers.

Mika Varis, Project Manager, Stora Enso, says: “We selected the LimeCool system due to the state-of-the-art technology combined with ANDRITZ’s flexibility and fast response. This was the complete package that met our needs.”

This project demonstrates the ongoing solid business relationship between Stora Enso and ANDRITZ. ANDRITZ has just recently supplied production technologies and key process equipment to other Stora Enso locations in Finland and Sweden.

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International technology group ANDRITZ offers a broad portfolio of innovative plants, equipment, systems, services and digital solutions for a wide range of industries and end markets. ANDRITZ is a global market leader in all four of its business areas – Pulp & Paper, Metals, Hydro, and Separation. Technological leadership, global presence and sustainability are the cornerstones of the group’s strategy, which is focused on long-term profitable growth. The publicly listed group has around 27,900 employees and over 280 locations in more than 40 countries.

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 maximum utilization of raw materials, increased production efficiency, lower overall operating costs as well as innovative decarbonization strategies and autonomous plant operation. Boilers for power generation, flue gas cleaning systems, various nonwoven technologies, panelboard (MDF) production systems, as well as recycling and shredding solutions for numerous waste materials also form a part of this business area. State-of-the-art IIoT technologies as part of Metris digitalization solutions complete the comprehensive product offering.

With more than 50 installations globally, the ANDRITZ LimeCool system comprises a stainless-steel integrated structure which is designed for mechanical strength, energy efficiency and easy maintenance.

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Susan Trast
Head of Corporate Communications & Marketing
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