Starting from the Welcome Reception on Sunday evening, the research conference will take place on Monday to Wednesday, May 27 - 29 2024.
May 26
18:00 Welcome reception – Clarion Hotel Sundsvall
May 27
Start of conference, Mechanical pulps – future possibilities and demands
08:45-09:00 Welcome – Start of conference
Birgitta Engberg - Mid Sweden University
09:00-09:30 Keynote – Rewriting the perception of TMP
Peter Dahlén - Holmen, Sweden
09:30-10:00 Keynote – Quality requirements of CTMP for different applications
Frank Peng - Stora Enso, Sweden
10:00-10:30 Break
Session 1. TMP/CTMP process development
Session Chair: Professor Guigan Fang - Research Institute of Chemical Industry of Forest Products, P. R. of China
10:30-11:00 Flexible processing of softwood and hardwood in modern mechanical pulping lines
Jussi Lahti, Peter Braeuer - Andritz AG, Austria
11:00-11:30 TMP to BCTMP Conversion of a Radiata Pine Pulpmill – Pilot Trials
Karl Murton - Scion, Carl McParland - Pan Pac Forest Products Ltd, New Zealand
11:30-12:00 Strength improvement and energy savings for HT-CTMP through chemical treatments of pulp fractions
Ilkka Nurminen, Hanna Hörhammer, Jari Sirviö - VTT, Finland
12:00-13:30 Lunch
Session 2. TMP/CTMP process development continued
Session Chair: Karl Murton - Scion, New Zealand
13:30-14:00 A Concept of Whole Utilization of Bamboo Biomass – On basis of Chemimechanical pulping process as main line
Guigan Fang, Chen Huang – Research Institute of Chemical Industry of Forest Products, P. R. of China
14:00-14:30 Optimization of dewatering before flash-dryer at Waggeryd Cell
Eva Engelmark – Valmet, Andreas Råvik – Waggeryd Cell, Sweden
14:30-15:00 Update of Port Hawkesbury Paper Screen Room Modernization for Energy Reduction
Jeff Woolsey, Meaghan Woolsey – Port Hawkesbury Paper, Quanqing Zha – FPInnovations, Mark Frith – Port Hawkesbury Paper, Canada
15:00-15:30 Break
Session 3. TMP/CTMP process development continued & Postersession
Session Chair: Tomas Björkqvist - Tampere University, Finland
15:30-16:00 Distribution of fiberproperties when specific energy is reduced by higher production rate
Johan Persson, Rita Ferritsius – Mid Sweden University, Jan Hill – QualTech AB, Sweden
16:00-16:45 5-minute-presentations of posters
Link to more information about the poster presentations
Changes in the stress-strain behaviour of dry and wet paper webs for varied hot-pressing time
Amanda Mattsson – Mid Sweden University
Predicting Mechanical Pulp Properties using MD simulations
Fritjof Nilsson – Mid Sweden University
Insight to a better understanding of mechanical refining using rheological measurement
Zahra Gholami - Mid Sweden University
Mathematical modelling of the influence of the mass moment of inertia of a chipper disc, on the vibration levels in a woodchipper
Per Engstrand – Mid Sweden University
Effect of enzymatic hydrolysis on the refining of mechanical pulp fibres
Mariana Frias de Albuquerque – University of British Columbia
Fabrication of Hydrophobic Lignocellulosic Foam Using Eco-friendly and Sustainable Technology
Rana Alimohammadzadeh - Mid Sweden University
18:00 Bus to dinner location
18:30-22:30 Suppliers Dinner at Restaurant Grankotten, North City Mountain
Sponsored by Valmet and Andritz
22:30 Bus back to Hotel
May 28
Session 4. HC refining and process control
Session Chair: Peter Bräuer - Andritz AG, Austria
08:30-09:00 Keynote – Market CTMP outlook
Stefan Sjöström - SCA, Sweden
09:00-09:30 Towards Energy-Efficient Quality Control in Refining Processes - An overview of some activities at Stora Enso Skoghall
Magnus Konradsson - Stora Enso Skoghall, Anders Karlström - Chalmers University of Technolgy, Stefan Snygg - Gentec Solutions, Jan Hill - Qualtech AB, Sweden
09:30-10:00 5-minute-presentations of posters
Link to more information about the poster presentations
Fiber-Obstacle Interaction in Channel Flow
Nima Fallah Jouybari, Johan Persson, Birgitta A. Engberg - Mid Sweden University
Accelerated process development of energy-efficient high-yield pulp (EE-HYP) to replace plastic by using X-ray fluorescence tools
Hafizur Rahman - Mid Sweden University
Sheet structure and fibre wall density in hot pressing: Contribution of X-ray microtomography
Arttu Miettinen - Mid Sweden University and University of Jyväskylä
Significant improvement of wet tensile strength of CTMPs using coating formulations with lignin microparticles
Jose Luis Sanchez-Salvador - Universidad Complutense de Madrid
Improving Paper Strength and Bulk by Incorporating Microfibrillated Lignocellulose
Fariba Yeganeh - University of British Columbia
10:00-10:30 Break
Session 5. HC refining and process control continued
Session Chair: Thomas Granfeldt - Mid Sweden University, Sweden
10:30-11:00 Modeling Handsheet Properties for Refining Control
Lars Johansson - Woodworks! Cluster, Anders Karlström - Chalmers University of Technology, Jan Hill - QualTech AB, Arild Hegdal - Norske Skog Skogn, Norway
11:00-11:30 Control Performance Assessment Applied to a CTMP Process – a new User Interface for Mill Operators
Karin Eriksson - Chalmers Industriteknik, Veronica Olesen, Anders Karlström - Chalmers University of Technology, Sweden
11:30-12.00 HC-Refining technology RGP CD, disc gap measurements/control and APC
Juuso Palonki - Valmet Automation, Finland
12:00-13:30 Lunch
Session 6. Post mill processes
Session Chair: Professor Per Engstrand - Mid Sweden University, Sweden
13:30-14:00 Keynote – Rottneros experiences from the development of CTMP-based molded pulp products
Nils Hauri - Rottneros AB, Sweden
14:00-14:30 Understanding mechanisms occurring during hot-pressing of lignocellulosic materials under varying conditions
Amanda Mattsson, Gunilla Pettersson – Mid Sweden University, Jose Luis Sanchez-Salvador – Universidad Complutense de Madrid, Jukka Ketoja – VTT, Per Engstrand – Mid Sweden University, Angeles Blanco, Carlos Negro – Universidad Complutense de Madrid
14:30-15:00 Mechanical pulp board coated with a recyclable and optimized nanocellulose layer to achieve barrier properties suitable for food packaging
Ossi Juntunen, Sanna Siljander, Maija Järventausta, Tomas Björkqvist – Tampere University, Finland
15:00-15:30 Break
Session 7. LC refining
Session Chair: Lars Johansson - Woodworks! Cluster, Norway
15:30-16:00 Fragmentation of fibrous particles in LC refining
Kaarlo Niskanen, Jan-Erik Berg, Kateryna Liubytska – Mid Sweden University, Christer Sandberg – Holmen Paper AB, Sweden
16:00-16:30 Development of fibre properties distributions in two-stage low consistency refining of high yield pulp
Christer Sandberg – Holmen Paper AB, Stefan Lindström, Fritjof Nilsson – Mid Sweden University, Sweden
16:30-17:00 A comprehensive LC-refiner study
Matthias Aigner, Peter Wild, Samira Gharehkhani – University of Victoria, Mark Martinez, James Olson – University of British Columbia, Canada
18.15 Short walk to City Hall
18.30 Conference Dinner - City Hall, Sundsvall
Presentation of the Arne Asplund Award
May 29
Session 8. HC refining and TMP/CTMP energy optimization
Session Chair: Fredrik Lundström - Valmet, Sweden
08:30-09:00 Energy consumption in Mechanical Pulp Refiners
Richard Kerekes – University of British Columbia, Christer Sandberg - Holmen Paper AB
09:00-09:30 Experiences of operating a completely electrified TMP mill
Magnus Rydstrand, Susanne Salovius, Anders Thorén, Peter Dahlén, Christer Sandberg – Holmen Paper AB
09.30-10.00 Mill performance and cost savings opportunities from on-line fibre properties measurement and real time data transformation – case studies
Öjvind Sundvall, Anders Skoglund, Tommy Nordin, Lars Norin, Paul Watson and Otto Lindeberg - PulpEye AB, Sweden
10:00-10:30 Break
Session 9. CTMP mill processes
Session Chair: Frank Peng - Stora Enso, Sweden
10:30-11:00 Keynote - Some aspects on the development of CTMP in Billerud
Thomas Lindstedt - Billerud
11:00-11:30 Rebuilding a TMP plant to a flexible HT-BCTMP market pulp plant at SCA Ortviken mill
Daniel Solberg, Maria Nordgren, Anders Granström – SCA, Lars E Eriksson, Mattias Wållström, Ulf Hellberg, Fredrik Almberg, Fredrik Lundström - Valmet, Sweden
11:30-12:00 The Keith Kirkpatrik Award ceremony and Closing Remarks
12:00-13:30 Lunch
13:30-14:00 Security information before mill visit
14:10-14:30 Busses leave the hotel
14:30-16:00 Mill visit - SCA Ortviken's new CTMP plant
16:30 Back at the hotel
