MM Board & Paper completes rebuild of KM3 at recycled cartonboard mill in Frohnleiten, Austria; Andritz-led rebuild aims to modernize folding boxboard machine, enhance product quality, reduce energy consumption, increase productivity across product range

Sample article from our Pulp & Paper Industry

March 15, 2023 (press release) –

Mag. Gernot Schleiss, Managing Director of MM Frohnleiten, explains: “The main objective of our investment was the modernization of the KM3 to enhance the quality of the end product, to reduce specific energy consumption and to increase productivity across the entire product range. We are convinced that ANDRITZ’s innovative PrimeLine technology will help us reach our targets.” Georg-Michael Sautter, ANDRITZ Key Account Manager Paper Board adds: “The new PrimeFlow AT headbox improves the quality of the end product, the two PrimePress X shoe presses lead to energy and bulk savings, and the PrimeRun web stabilizers ensure improved runability. All in all, the perfect package for highly efficient and high-quality production.”  

KM3 has a design speed of 800 m/min and a wire width of 5 m. It produces folding boxboard (chromo duplex quality) with 230–450 gsm. The rebuild comprised the modernization of the wire section including approach flow systems, headboxes and hybrid former. In addition, ANDRITZ’s scope included a new press section, the rebuild of the pre-dryer section, an upgrade of two under-machine pulpers, machine clothing and roll covers, adaption of the automation system, as well as assembly, start-up and production assistance.

MM Board & Paper is Europe's largest board producer (excl. liquid packaging board). With a capacity of 540,000 t/y, the mill in Frohnleiten, Austria, is Europe’s largest recycled cartonboard mill.

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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. Sustainability is an integral part of the company’s business strategy and corporate culture. With its extensive portfolio of sustainable products and solutions, ANDRITZ aims to make the greatest possible contribution to a sustainable future and help its customers achieve their sustainability goals. ANDRITZ is a global market leader in all four of its business areas – Pulp & Paper, Metals, Hydro and Separation. Technological leadership and global presence are cornerstones of the group’s strategy, which is focused on long-term profitable growth. The publicly listed group has around 29,100 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 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, flue gas cleaning systems, 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.

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