By : Mohamed El Kholy
Valmet will supply eleven Valmet Microwave Consistency Measurements (Valmet MCA) to SCA’s Ortviken mill in Sweden. The mill is currently being converted from paper to market pulp production. The consistency measurements will be installed in the new chemi-thermomechanical pulp (CTMP) line to control the process reliably.
The order is included in Valmet’s orders received of the fourth quarter 2021. The measurements will be delivered during the first quarter of 2022.
"We evaluated different applications and found Valmet’s solution to be the best. In this project, the mill is expanded from existing process sections where we have already been using Valmet MCAs for ten years. When the responsible production staff asked us to keep using these measurements, it was an easy choice," says Patrik Pettersson, Project Engineer, SCA.
"We have been cooperating with SCA Ortviken for a long time developing a world-class CTMP plant and this order further deepens our relationship. The rebuild project has been ongoing for a year now and these microwave consistency measurements complement Valmet’s wide delivery scope in the project," says Andreas Lindstedt, Corporate Account Manager, Services, Valmet.
Valmet Microwave Consistency Measurement measures the total consistency of the pulp process stream independent of fiber length, freeness, wood species, or blend. The measurement is not affected by flow rate, brightness, or color and enables better control for more efficient production, improved quality, and economic savings with fewer process upsets and less off-grade product. It offers a wide consistency range (0-16 Cs%) for different applications in the pulp and paper industry. The sensor is easy to install and requires no regular maintenance, keeping commissioning and running costs to a minimum.
SCA group is Europe’s largest private forest owner, and it offers packaging paper, pulp, wood products, renewable energy, and services for forest owners and efficient transport solutions. SCA Ortviken in Sundsvall, Sweden, is a mill site in transformation. From having been one of the world’s largest publication paper mills, it will now become one of the world’s largest production lines for CTMP, using the parts of the infrastructure from the production of TMP and publication paper. There is also production of green energy on the mill site, supplying the Sundsvall district heating grid
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