ANDRITZ to supply LimeDry lime mud filter to BillerudKorsnäs’ Frövi mill in Sweden


International technology group ANDRITZ has received an order from the Swedish pulp and paper producer BillerudKorsnäs to deliver a LimeDry lime mud filter for the recausticizing plant at its Frövi/Rockhammar pulp mill in Örebro, Sweden.

Start-up for the new LimeDry lime mud filter is scheduled for the second half of 2022.

The ANDRITZ lime mud disc filter LimeDry represents the latest technology for lime mud dewatering and washing. It provides a large filtration capacity (540 tons lime mud/day) in a small filter footprint, even with a high lime mud capacity. The ANDRITZ lime mud precoat filter consists of a disc filter and a continuous precoat renewal system (CPR).

The LimeDry mud filter is designed to achieve optimum dry solids with excellent washing efficiency for lime mud – minimizing TRS emissions in the lime kiln flue gases and ensuring efficient lime kiln operation with low heat consumption. It also has an excellent turndown capability – able to provide optimum lime mud quality, dryness, and alkali content at both high and low production rates.

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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 27,100 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 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.

The ANDRITZ lime mud disc filter LimeDry represents the latest technology for lime mud dewatering and washing

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Susan Trast
Head of Group Communications & Marketing
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