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Fri, Oct 15, 2021 15:53
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Management Side

Andritz receives order for disc filter rebuild from SCA Pulp in Sweden

International technology group Andritz has received an order from SCA (Svenska Cellulosa Aktiebolaget) to rebuild a disc filter at their pulp mill in Ortviken, Sundsvall, Sweden.

After the rebuild, the production capacity of the disc filter (originally supplied by Andritz ) will be tripled to 900 bdmt/d, and the filtrate flow will be increased to a maximum of 130,000 l/min. The refurbished disc filter will ensure the requested throughput at different beating degree levels, ranging from 300 to 700 CSF, for the production of various high-quality pulp grades. Start-up is scheduled for the 4Q 2022.

Andritz has developed a new filter bag solution able to handle beating degrees above 600 CSF. The new development was tested on a full-size disc filter during a 3-day trial at the Andritz pilot plant in Graz, Austria. This was the first time that a single disc filter could be operated at such a wide CSF range.

The disc filter rebuild order is part of SCA's ongoing project to transform the existing TMP (thermo-mechanical pulp) line at the Ortviken site into a CTMP (chemo-thermo-mechanical pulp) plant with an annual capacity of 300,000 tons per year.

SCA Pulp is part of the SCA Group, Europe's largest private forest owner, which offers packaging material, pulp, wood products, and renewable energy. The SCA Pulp facility at Ortviken, Sundsvall is expected to be operational by the beginning of 2023.

Andritz Pulp & Paper provides equipment, systems, complete plants and services for the production of all types of pulp, paper, board and tissue.


 


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