International technology group ANDRITZ has received an order from Lignatherm AG to supply a pressurized refining system for a new insulation board production plant in Küssnacht am Rigi, Switzerland
This greenfield plant will use exclusively wood chips from local forests to produce eco-friendly insulation board.
Tobias Osterwalder, Bereichsleiter Weiterverarbeitung, Lignatherm AG, says: “’We are looking forward to offering insulation based entirely on natural building materials that bind CO2. This will significantly enhance our product range. Having an experienced partner like ANDRITZ on our side is crucial to making this important project a success.”
The new line, with a capacity of 10 bdmt/h, will comprise a pressurized refining system with a 44-1C(P) single-disc refiner and a pressurized digester with counter flow and steam regulation including a C-feeder at its core. A 14” ANDRITZ plug screw feeder will ensure excellent dewatering leading to improved fiber quality at reduced electrical and thermal energy consumption.
ANDRITZ will also be responsible for supervision of erection, commissioning, and start-up. The new production line is scheduled to commence operations in the third quarter of 2025.
With a track record of supplying 16 fiber preparation systems for insulation material production, this order further strengthens ANDRITZ’s position as a leading supplier to the global insulation board industry.
Lignatherm is a subsidiary of Schilliger Holz AG, a company operating sawmills and wood processing plants at three locations in Switzerland and France. The company’s products primarily serve the construction and packaging industry in Switzerland, France, and Italy.
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.
Photo: ANDRITZ 1CP single-disc refiner for superior fibre quality at reduced energy consumption
© ANDRITZ
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