Background

Professor in Mechanical Pulping Technology at Mid Sweden University since 1st of February 2007 and the Director of the Industrial Research College in Mechanical Pulping Technology.

The general goals within the mechanical pulping research area are to perform scientific and innovative technical research to help forest industry companies to improve energy efficiency, product quality and production efficiency.

Publications

Articles in journals Articles, reviews/surveys Conference papers Manuscripts Reports

Articles in journals

Enberg, S. , Rundlöf, M. , Paulsson, M. , Axelsson, P. , Eriksen, O. & Engstrand, P. (2014). Some causes of formation of colour during storage of hydrogen-peroxide bleached Norway spruce mechanical pulp. Nordic Pulp & Paper Research Journal, vol. 29: 2, pp. 356-366.

Osong, S. H. , Norgren, S. & Engstrand, P. (2014). Paper strength improvement by inclusion of nano-ligno-cellulose to Chemi-thermomechanical pulp. Nordic Pulp & Paper Research Journal, vol. 29: 2, pp. 309-316.

Karlsson, A. , Paulsson, M. , Engstrand, P. & Hedenström, E. (2014). Strategies to reduce heat-induced darkening for enhanced bleachability of mechanical pulps. Appita journal, vol. 67: 1, pp. 50-57.

Walter, K. , Paulsson, M. & Engstrand, P. (2014). Acid Hydrogen Peroxide Treatment of Norway Spruce TMP : The Effect of an Extended pH Range when Catalyzed by Free Ferrous and Free or EDG/EDTA-Chelated Ferric Ions. Journal of wood chemistry and technology, vol. 34: 2, pp. 135-155.

Osong, S. H. , Norgren, S. , Engstrand, P. , Lundberg, M. & Hansen, P. (2014). Crill : A novel technique to characterize nano-ligno-cellulose. Nordic Pulp & Paper Research Journal, vol. 29: 2, pp. 190-194.

Enberg, S. , Rundlöf, M. , Paulsson, M. , Axelsson, P. , Eriksen, O. & Engstrand, P. (2014). The influence of process waters on optical properties during storage of hydrogen-peroxide bleached Norway spruce mechanical pulp. Nordic Pulp & Paper Research Journal, vol. 29: 2, pp. 344-355.

He, J. , Engstrand, P. , Björkqvist, O. & Zhang, W. (2013). Techno-economic evaluation of a mechanical pulp mill with gasification. Nordic Pulp & Paper Research Journal, vol. 28: 3, pp. 349-357.

Osong, S. H. , Norgren, S. & Engstrand, P. (2013). An approach to produce nano-ligno-cellulose from mechanical pulp fine materials. Nordic Pulp & Paper Research Journal, vol. 28: 4, pp. 472-479.

Fjellström, H. , Engstrand, P. & Htun, M. (2013). ON THE RELATIONSHIP BETWEEN WOOD FIBRE WALL SWELLING, CHARGED GROUPS, AND DELAMINATION DURING REFINING. J-FOR-JOURNAL OF SCIENCE & TECHNOLOGY FOR FOREST PRODUCTS AND PROCESSES, vol. 3: 4, pp. 30-34.

Fjellström, H. , Engstrand, P. & Htun, M. (2013). On the relationship between wood fibre wall swelling, charged groups, and delamination during refining. Journal of Science & Technology for Forest Products and Processes, vol. 3: 4, pp. 30-34.

Hellström, L. , Carlberg, T. , Engstrand, P. , Gradin, P. & Gregersen, Ø. (2012). EVALUATION OF COLLIMATED CHIPPING TECHNOLOGY FOR REDUCING ENERGY CONSUMPTION IN MECHANICAL PULPING. J-For: The Journal of Science and Technology for Forest and Processes, vol. 2: 3, pp. 6-9.

Andersson, S. , Sandberg, C. & Engstrand, P. (2012). The effect of rotor position on pulp properties in a two-zoned low consistency refiner. Nordic Pulp & Paper Research Journal, vol. 27: 3, pp. 525-530.

Fernando, D. , Muhic, D. , Engstrand, P. & Daniel, G. (2012). Surface and internal micro/ultrastructure of TMP fibres produced during high-intensity refining elucidate the development of pulp and paper properties. Holzforschung, vol. 66: 4, pp. 467-475.

Gorski, D. , Johansson, L. & Engstrand, P. (2012). Refiner bleaching in a peroxide-based ATMP process compared with conventional bleaching. Holzforschung, vol. 66: 3, pp. 275-281.

Andersson, S. , Sandberg, C. & Engstrand, P. (2012). Effect of long fibre concentration on low consistency refining of mechanical pulp. Nordic Pulp & Paper Research Journal, vol. 27: 4, pp. 702-706.

Andersson, S. , Sandberg, C. & Engstrand, P. (2012). Comparison of mechanical pulps from two stage HC single disc and HC double disc - LC refining. Appita journal, vol. 65: 1, pp. 57-62.

Fernando, D. , Muhic, D. , Engstrand, P. & Daniel, G. (2011). Fundamental understanding of pulp property development under different thermomechanical pulp refining conditions as observed by a new Simons' staining method and SEM observation of the ultrastructure of fibre surfaces. Holzforschung, vol. 65: 6, pp. 777-786.

Muhic, D. , Huhtanen, J. , Sundström, L. , Sandberg, C. , Ullmar, M. , Engstrand, P. & Vuorio, P. (2011). Energy efficiency in double disc refining. Influence of intensity by segment design. Nordic Pulp & Paper Research Journal, vol. 26: 3, pp. 224-231.

Gorski, D. , Mörseburg, K. , Axelsson, P. & Engstrand, P. (2011). Peroxide-based ATMP refining of spruce : energy efficiency, fibre properties and pulp quality. Nordic Pulp & Paper Research Journal, vol. 26: 1, pp. 47-63.

Hellström, L. , Gradin, P. , Engstrand, P. & Gregersen, Ø. (2011). Properties of wood chips for thermomechanical pulp (TMP) production as a function of spout angle. Holzforschung, vol. 65: 6, pp. 805-809.

Björkqvist, O. , Engstrand, P. , Htun, M. & Norgren, M. (2010). FORE – Ett nytt industrikombinat baserat på mekaniska massaprocesser. Svensk papperstidning, Nordisk cellulosa, : 2, pp. 24-25.

Gorski, D. , Engstrand, P. , Hill, J. , Axelsson, P. & Johansson, L. (2010). Mg(OH)(2)-based hydrogen peroxide refiner bleaching: influence of extractives content in dilution water on pulp properties and energy efficiency. Appita journal, vol. 63: 3, pp. 218-225.

Muhic, D. , Sundström, L. , Sandberg, C. , Ullmar, M. & Engstrand, P. (2010). Influence of temperature on energy efficiency in double disc chip refining. Nordic Pulp & Paper Research Journal, vol. 25: 4, pp. 420-427.

Sikter, D. , Karlström, A. , Sandberg, C. & Engstrand, P. (2008). Economic perspectives on quality control in TMP refining processes. Nordic Pulp & Paper Research Journal, vol. 23: 3, pp. 305-314.

Karlsson, A. , Paulsson, M. , Engstrand, P. & Hedenström, E. (). Reduced heat-induced darkening and enhanced bleachability of mechanical pulps studied using the UV-visible absorption spectra. Holzforschung,

Gorski, D. , Johansson, L. & Engstrand, P. (). Bleaching efficiency in peroxide-based ATMP process compared to conventional bleaching. Holzforschung,

Andersson, S. , Sandberg, C. & Engstrand, P. (). Effect of fibre length distribution on low consistency refining of mechanical pulp. Nordic Pulp & Paper Research Journal,

Andersson, S. , Sandberg, C. & Engstrand, P. (). Rotor position control in a two-zoned low consistency refiner. ,

Göransson, K. , Söderlind, U. , Henschel, T. , Engstrand, P. & Zhang, W. (). Internal tar/CH₄ reforming in a biomass dual fluidised bed gasifier.. Biomass Conversion and Biorefinery,

Articles, reviews/surveys

Gorski, D. , Hill, J. , Engstrand, P. & Johansson, L. (2010). Review: Reduction of energy consumption in TMP refining through mechanical pre-treatment of wood chips. Nordic Pulp & Paper Research Journal, vol. 25: 2, pp. 156-161.

Conference papers

Berg, J. , Sandberg, C. , Engberg, B. & Per, E. (2014). LC Refining Intensity In The Light Of Forces On Fibres. In International Mechanical Pulping Conference, IMPC 2014. Espoo :

Engberg, B. , Logenius, L. & Engstrand, P. (2014). Mechanical properties of sulphonated wood in relation to wing refiner properties. In International Mechanical Pulping Conference, IMPC 2014. Espoo :

Logenius, L. , Fjellström, H. & Engstrand, P. (2014). A sustainable analysis of sulphonic acid content in CTMP pulps. In International Mechanical Pulping Conference, IMPC 2014. Espoo :

Karlström, A. , Hill, J. , Ferritsius, O. , Ferritsius, R. & Engstrand, P. (2014). Can we increase the proportion of electrical energy into fibre development in existing HC-refiners?. In International Mechanical Pulping Conference, IMPC 2014.

Osong, S. H. , Norgren, S. , Engstrand, P. , Lundberg, M. & Hansen, P. (2014). Development of nano-ligno-cellulose produced from mechanical pulp. In International Mechanical Pulping Conference, IMPC 2014.

Nelsson, E. , Sandberq, C. , Svensson-Rundlöf, E. , Muhic, D. , Rohden, L. , Engberg, B. A. & Engstrand, P. (2014). Improved energy efficiency in thermomechanical pulping through co-optimization of intensity by segment design and wood softening by sulfonation. In International Mechanical Pulping Conference, IMPC 2014.

Göransson, K. , Söderlind, U. , Henschel, T. , Engstrand, P. & Zhang, W. (2014). Internal tar/CH₄ reforming in a biomass dual fluidised bed gasifier. In Proceeding of 4th International Symposium on Gasification and its Applications.

Walter, K. , Paulsson, M. & Engstrand, P. (2014). Acid hydrogen peroxide treatment of Norway spruce TMP : The effect of chelated ferric ions. In International Mechanical Pulping Conference, IMPC 2014.

Osong, S. H. , Engstrand, P. & Norgren, S. (2013). New Products based on Mechanical Pulps : Nano-ligno-cellulose (NLC). .. pp. 25--26.

Osong, S. H. , Norgren, S. & Engstrand, P. (2013). Nano-ligno-cellulose from mechanical pulp fines. .. pp. 63--66.

Osong, S. H. , Norgren, S. & Engstrand, P. (2013). Nano-ligno-cellulose as strength enhancer in handsheets. .

Osong, S. H. , Engstrand, P. & Norgren, S. (2013). Mechanical Properties of high-yield pulp handsheets, as affected by blends of Nano-ligno-cellulose. .

Fjellström, H. , Engstrand, P. & Htun, M. (2013). On the relationship between charged groups, chemical environment and delamination during refining.. .

Logenius, L. , Engberg, B. A. , Fjellström, H. & Engstrand, P. (2013). Mechanical Properties of Sulphonated Spruce Wood. . Åre, Sweden :

Logenius, L. , Engberg, B. A. , Nelsson, E. & Engstrand, P. (2013). Mechanical testing methods for evaluation of the mechanical properties of sulphonated wood. .

Fjellström, H. , Engstrand, P. & Htun, M. (2012). Aspects of fibre wall swelling in high-yield pulp.. In PROCEEDING OF THE 4TH INTERNATIONAL CONFERENCE ON PULPING, PAPERMAKING AND BIOTECHNOLOGY (ICPPB '12), VOLS. I AND II.. pp. 1183--1186.

Osong, S. H. , Engstrand, P. & Norgren, S. (2012). A New Concept to Produce Nano-ligno-cellulose Materials by Means of High Pressure Homogenization. .

Logenius, L. , Engstrand, P. , Karlström, A. & Paulsson, M. (2011). Improved hydrogen peroxide bleaching of mechanical pulps using carbon dioxide in combination with sodium and magnesium based alkali sources. In 16th International Symposium on Wood, Fiber and Pulping Chemistry - Proceedings, ISWFPC.. pp. 741--745.

Fjellström, H. , Engstrand, P. , Granfeldt, T. & Logenius, L. (2011). Predicting CTMP bleachability using wood shavings. In 16th International Symposium on Wood, Fiber and Pulping Chemistry - Proceedings, ISWFPC.. pp. 613--616.

Hellström, L. , Carlberg, T. , Engstrand, P. , Gradin, P. & Gregersen, Ø. (2011). Collimated chipping technology in order to reduce the energy consumption in mechanical pulping. In Proceeding for International Mechanical Pulping Conference, Xi'an, P.R. of China.. pp. 457--460.

Engstrand, P. (2011). FILLING THE GAP – IMPROVED ENERGYEFFICIENCY AND QUALITY STABILITYIN MECHANICAL PULP REFINING. . Xian :

Muhic, D. , Huhtanen, J. , Sundström, L. , Sandberg, C. , Ullmar, M. & Engstrand, P. (2010). Energy efficiency in double disc chip refining. Influence of intensity by segment design. In Proceedings of the 7th InternationalFundamental Mechanical Pulp Research Seminar, Nanjing, China (2010).. pp. 103--111.

Hellström, L. & Engstrand, P. (2010). The effect on the energy consumption in mechanical pulping of different wood chipping conditions. In Proceedings of 7^th International Seminar of Fundamental Mechanical Pulp Research (IFMPRS 2010).. pp. 124--126.

Nordin, L. , O'Nils, M. , Engstrand, P. , Bäck, R. , Ferritsius, O. & Sandberg, C. (2009). Measurement and prediction of dewatering characteristics for mechanical pulps using optical fibre analyzers. In Proceedings - 2009 International Mechanical Pulping Conference, IMPC 2009.. pp. 309--316.

Björkqvist, O. , Engstrand, P. & Fridén, H. (2009). Concepts of Steam Recovery from LC-Refining by Increase Temperature. In Proceedings - 2009 International Mechanical Pulping Conference, IMPC 2009.. pp. 190--194.

Gorski, D. , Engstrand, P. , Hill, J. & Johansson, L. (2009). Review: Reduction of energy consumption in refining through mechanical pretreatment of wood chips. In Proceedings - 2009 International Mechanical Pulping Conference, IMPC 2009.. pp. 17--21.

Muhic, D. , Sundström, L. , Nilsson, L. , Sandberg, C. , Ullmar, M. , Backlund, U. & Engstrand, P. (2009). Influence of temperature on energy efficiency in double disc chip refining. In Proceedings - 2009 International Mechanical Pulping Conference, IMPC 2009.. pp. 344--347.

Nordin, L. , O'Nils, M. , Engstrand, P. & Sundvall, Ö. (2008). Characterization and classification of dewatering measurement techniques for mechanical pulps. In Proceedings of the PRS, Finland, May 2008..

Nordin, L. , O´Nils, M. , Engstrand, P. & Sundvall, Ö. (2008). Towards relevant dewatering measurement techniques : Caracterisation and classification of dewatering measurement techniques for mechanical pulps. In FMPRS May 2008.

Sikter, D. , Karlström, A. , Engstrand, P. & Czmaidalka, J. (2007). Using the refining zone temperature profile for quality control. In International Mechanical Pulping Conference 2007, Minneapolis, MI, USA. Atlanta, GA :

Engstrand, P. (2007). Using refiner zone temperature profile for quality control : International International Mechanical Pulping Conference May 6-9 2007, Minneapolis, Minn. USA, David Siker and Per Engstrand Holmen Paper AB, Anders Karlström Chalmers Industriteknik and Josef Czmaidalka Andritz AG.. .

Möller, K. , Nikko, A. & Engstrand, P. (2002). The effect of multiple recycling on newsprint quality : a large-scale pilot study, performed 1992 -1996. In PTS-CTP Symposium on Deinking Technology, 22-24 April 2002 Munich Germany.

Manuscripts

Nordin, L. , O'Nils, M. , Engstrand, P. , Bäck, R. , Ferritsius, O. , Ferritsius, R. , Sandberg, C. & Sundvall, Ö. Analysis of the quality of optical fibre and fines measurement for prediction of dewatering characteristics for mechanical pulps

Reports

Björkqvist, O. , Engstrand, P. & Fridén, H. (2008). Energiåtervinning vid LC-raffinering – Förstudie. Stockholm : Värmeforsk (Värmeforsk skogsindustriella programmet S5-622)