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Pulp Paper & Logistics


PROJECTS & CONTRACTS 31


Smooth start up for new coating technology at Mayr-Melnhof


BM3 board machine at Kolicevo in Slovenia. Valmet supplied a new multilayer OptiCoat Layer curtain coater with a supply system and a new OptiCoat blade coater. The compact size of the coater is said to contribute to lower investment costs and shorter shut down times. Valmet says the start-up was


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very smooth, thanks to the pre- assembly and pre-testing, and resulted in high-quality production right after the start-up. “The assembly was finished on time and the start-up was


ew coating technology has been started up on Mayr-Melnhof’s


done by just pushing the button. We are happy that the high targets set for this project have been met. The cooperation with Valmet was very good, on an open base during the whole project and start-up phase, preventing all possible disturbances, before they even


could occur,” said technical mill manager Rado Kunavar. OptiCoat Layer uses slide


dye curtain coating, which enables versatile use of coating colour substances and layer thicknesses. The method also provides flawless coating coverage. The supply system


Expansion plans for BillerudKorsnäs in Sweden


Swedish paper maker BillerudKorsnäs is investigating the potential for installing a board machine at its Gruvön mill and for relocating a paper machine from Finland to Sweden. It has awarded the assignment


to Finnish consulting and engineering specialist Pöyry to carry out the Gruvön pre-project engineering services and develop the investment plan into a viable technical concept, and for the machine relocation. A leading supplier of renewable


fibre-based packaging materials, BillerudKorsnäs is also one of the


world leaders in liquid packaging board and other virgin fibre cartonboard. The board machine at Gruvön


would be one of the most cost- efficient in the world with an annual capacity of about 500,000 tonnes of liquid packaging board, cartonboard, food service board and white kraftliner. BillerudKorsnäs is also


investigating the potential for further structural change and growth in specific kraft paper segments, including exploring the possibility of moving and integrating the machine glazed paper machine in Tervasaari,


Finland, to pulp production at Skärblacka, Sweden. The investigation will also look at investment in further value-adding surface treatment capacity at the existing MG paper production mill in Skärblacka. If implemented, the investments would strengthen Skärblacka’s position as one of the world’s most efficient production units for white MG papers while also opening up opportunities in attractive market segments within medical papers, food packaging and release liners. “These projects are evidence of our successful operation model


where global competence and local presence are combined,” said Johan Ehrnrooth, Pöyry’s vice president of Pulp & Paper Europe. “We are executing this project with experts from Sweden and Finland to ensure the best result for the client. We are proud to be the selected partner of BillerudKorsnäs with these strategically important development opportunity investigations. These assignments further strengthen Pöyry’s position as the world’s leading pulp and paper engineering consultancy.”


January/February 2016


includes the necessary degassing equipment. Effective degassing is essential in curtain coating since even the smallest air bubbles affect the stability of the curtain. “Two-layer coating has been


tested with dry edges, and equipment works as expected. It has proven to be very good that we chose the degassing system from Valmet. We are very pleased with it,” said Kolicevo’s production manager Aljaz Hafner.


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