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Holmen

Improved uniformity of the fibers liberated in the kraft pulp digester 

This project sets out to elucidate mass transport characteristics during delignification of wood chips as a means of understanding and controlling non-uniform delignification effects, associated to low efficiency and poor property control in the current pulping processes. To obtain information on local variations of delignification effect in a wood chip, the treated chips will be […]

Improved uniformity of the fibers liberated in the kraft pulp digester  Läs mer »

Efficient Washing of Paper grade pulp in the kraft process

The project contributes to strengthened Swedish competitiveness through its expected research results and new fundamental knowledge for the development of an efficient pulp washing process and thus through an increased pace of innovation in the transition to a circular economy. After pulping the wood chips, the resulting pulp fibres and cooking liquor are separated in a

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The kinetics of lignin extraction in oxygen delignification.

The current and future environmental challenges call for improved and more sustainable processes in the pulp industry. To contribute to a sustainable and competitive Swedish bioeconomy the pulp industry needs to increase efficiency without increasing the use of hazardous chemicals. Oxygen delignification is a unit process that has been used in pulp mill fiberlines between

The kinetics of lignin extraction in oxygen delignification. Läs mer »

Multi scale modeling of the delignification kinetics during kraft cooking

The kraft process is today the dominant industrial technology for the production of pulp from wood.In this process, wood chips are boiled with chemicals in order to dissolve lignin, hemicellulose andextractives. The process itself contains several complex mass transport mechanisms, where thechemicals are to be transported into the wood chip and then further into the

Multi scale modeling of the delignification kinetics during kraft cooking Läs mer »

Controlling product characteristics on board machine utilization process data

Quality on any board and paper products is dependent on being able to maintain low variability within product characteristics. A common problem is that these characteristics are measured cannot be measured online in the production, and is the time resolution will therefor be very low. The product characteristics will be dependent on the process characteristics, where

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Macro- and microscopic deformability of fiber networks made from softwood fibres

Holmen is a major Swedish producer of paper and board products. Most of these products are based on softwood fibres. During converting of the products, they are plastically deformed in folding, creasing or embossing operations. This deformation occurs both in a macro and microscale. It is therefore important to understand the influence of the raw

Macro- and microscopic deformability of fiber networks made from softwood fibres Läs mer »

FORIC – Forest as a Resource Industrial Research College

FORIC (Forest as a resource industrial research college) is our industrial research school. Program manager is Prof. Per Engstrand. Coordinator for the research school is Dr. Olof Björkqvist. FORIC is financed by the Knowledge Foundation and a part of our research environment Transformative Technologies at Mid Sweden University. FORIC is a graduate school in close

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Green wood  adhesives based on side-streams from the pulp industry

In this project we propose to explore the use of side-streams originating from the pulp industry as adhesive binders for wood-based materials. The proposed project, aiming at developing novel, formaldehyde-free, adhesives from renewable resources, brings together experts in polymer/adhesive/wood chemistry with experts on forest/wood products and has the ability to gain novel, fundamental knowledge while

Green wood  adhesives based on side-streams from the pulp industry Läs mer »

Om Treesearch

Treesearch har som syfte att skapa en nationell plattform för att stödja forskning. Forskningsprojekt som bedrivs inom Treesearch forskningsområden och de forskare som är aktiva i dessa projekt är välkomna att ansluta till plattformen.

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100 44 Stockholm 

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