Valmet to provide evaporation technology for Stora Enso mill in Finland

Valmet will deliver bleached chemi-thermo mechanical pulp (BCTMP), evaporation and non-condensable gas (NCG) technology as well as an extensive automation solutions package for Stora Enso’s Oulu mill in Finland.

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The delivery is part of Stora Enso’s approximately €1 billion investment to convert the remaining idle paper machine at their Oulu site into a high-volume consumer board production line.

Valmet’s technology delivery includes a BCTMP line, an evaporation plant, and a NCG boiler for odorous gas handling. The evaporation plant is tailored for BCTMP filtrate recovery with high energy efficiency, and low electricity and steam consumption. It includes a Valmet Mechanical Vapor Recompression (MVR) Evaporator and the mechanically reliable Tube Evaporation technology. The NCG boiler is designed for very low NOx emissions.

The deliveries will be done in phases and the upgraded mill is scheduled to be in operation in early 2025.