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Södra Cell Mörrum - Target: Zero fossil fuels

Södra Cell is one of those far-sighted northern European pulp producers that is constantly looking for ways to become fossil-fuel free and to make high-grade products in the most environmentally sound ways possible. ANDRITZ recently aided Södra Cell towards its sustainability target by supplying the latest in evaporation plant technology to its Mörrum mill in southern Sweden.

Replacement of the evaporation plant

Right from the nurseries where it plants and nurtures seeds and young trees, all the way to the trucks that deliver its final products, Södra Cell is eliminating fossil fuels wherever they may occur. Södra is aiming for fossil-fuel-free production by 2020 and fossil-fuel free transport by 2030. The Södra group is also having a major push to reduce the amount of energy it uses and also another sustainability target to reduce electricity consumption by 10% across the board by 2025.

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The new 7-effect high dry solids evaporation plant replaces existing evaporation lines and significantly enhances energy efficiency at the Mörrum mill.

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“I have to say that we really were impressed with the help we received from the ANDRITZ process experts who went through every possible scenario with us before the connection to the new evaporation plant was made.”

HANNA BJÖRKMAN
Team Manager Energy and Recovery, Södra Cell Mörrum

MÖRRUM – A SPECIALTY MILL

Södra Cell’s Mörrum can be considered a specialty mill in the world of pulp – in addition to producing some 300,000 tonnes per year of high-quality softwood market pulp, it also produces 170,000 tonnes per year of dissolving pulp for the production of textiles. It has two separate lines at the mill.

Among the latest investments at the mill was the installation of a new evaporation plant from ANDRITZ, which is part of the mill’s long-term goal to increase pulp production capacity at the site to 500,000 tonnes annually.

“We chose ANDRITZ to supply the evaporation plant at Mörrum for a variety of reasons,” says Karlsson. “We looked into all areas with all suppliers, technically, financially, of course, but also organizationally. It was really important to us how a supplier would run the project from their side.

“It was clear quite early that there was big support from ANDRITZ as a company for taking on this project, and it seems they really wanted to work with us. It even seemed that there was an element of prestige in working with Södra Cell Mörrum. We liked that approach.”

(Left to Right) Mari Räsänen, Senior Project Manager, ANDRITZ, Hanna Björkman, Team Manager, Energy and Recovery, Södra Cell Mörrum and Magnus Lundström, Project Manager, Södra Cell Mörrum

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“The fact is replacing an evaporation plant isn’t an easy decision; it’s a big event to realize, and a major investment.”

JAN-OLOF KARLSSON
Head of Technology, Södra Cell Mörrum

SWITCH-OVER IN JUST FOUR HOURS

After all the building and erecting, connecting of numerous pipes, the electrification and commissioning of pumps and ancillary equipment, the whole switch-over from the old plant to the new resulted in the mill being without an evaporation plant for only four hours. “We were prepared for a much bigger and longer drama,” says Björkman. “But it went really smoothly, which tells us a lot about how well the preparations went.” 

Björkman concludes, “Well, we now don’t have an evaporation plant that hinders the rest of the mill; we have an energy surplus and, of course, the working and living environment in and around the mill has improved a lot. This capacity and energy efficiency has enabled us to increase the supply and delivery of district heating to three local towns and villages around the mill.

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