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ANDRITZ Successfully Starts Up Dissolving Pulp Production Plant for Bracell’s "STAR" Project, Brazil

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International technology group ANDRITZ has successfully started up an environmentally friendly production plant for dissolving pulp at Bracell’s “STAR” project in Lençóis Paulista, São Paulo. In April 2022, one of the two flexible hardwood fiberlines that were started up successfully in September 2021 was switched from kraft to dissolving pulp production. High capacity with premium quality was reached within a few days of the switch.

For this trendsetting project, ANDRITZ is using its self-developed A-ConFlex™ continuous kraft and dissolving pulping technology. It enables full flexibility in production, switching between high-quality dissolving pulp and kraft pulp in a very short time to meet the market demand.

The world’s largest EvoDry™ pulp drying system from ANDRITZ, with two energy-efficient pulp drying lines enabling efficient and very fast switches between dissolving pulp and kraft pulp production, was also supplied to the mill.

The STAR project is one of the largest and most sustainable pulp mills in the world, complying with the highest environmental standards. It features two flexible, environmentally friendly hardwood fiberlines for a total capacity of 2.6 to 2.8 million tons/year of bleached kraft pulp or 1.5 million tons/year of dissolving pulp made from sustainably cultivated eucalyptus.

Per Lindblom, Bracell’s Vice President, says, “We are pleased and proud to now have the largest and greenest continuous cooking line in the world for dissolving pulp at the Bracell mill in São Paulo, utilizing proven ANDRITZ technology. We started up quickly after the switch and were soon producing top-quality pulp. This success is clearly down to the close teamwork between Bracell and ANDRITZ as well as both companies’ complementary expertise in dissolving pulp technology and production.”

With this start-up, ANDRITZ once again confirms its position as the only technology supplier with solid references and experience in continuous cooking of dissolving pulp.

 

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