Per Engstrand

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Artiklar i tidskrifter
Artiklar, forskningsöversikter
Konferensbidrag
Manuskript
Rapporter

Artiklar i tidskrifter

Göransson, K. , Söderlind, U. , Engstrand, P. & Zhang, W. (2015). An experimental study on catalytic bed materials in a biomass dual fluidised bed gasifier. Renewable energy, vol. 81, ss. 251-261.

Göransson, K. , Söderlind, U. , Henschel, T. , Engstrand, P. & Zhang, W. (2015). Internal tar/CH4 reforming in a biomass dual fluidised bed gasifier.. Biomass Conversion and Biorefinery, vol. 5, ss. 355-366.

Berg, J. , Sandberg, C. , Engberg, B. A. & Engstrand, P. (2015). Low-consistency refining of mechanical pulp in the light of forces on fibres. Nordic Pulp & Paper Research Journal, vol. 30: 2, ss. 225-229.

Zhang, W. , He, J. , Engstrand, P. & Björkqvist, O. (2015). Economic evaluation on bio-synthetic natural gas production integrated in a thermomechanical pulp mill. Energies, vol. 8: 11, ss. 12795-12809.

Nelsson, E. , Sandberg, C. , Svensson-Rundlöf, E. , Engstrand, P. , Fernando, D. & Daniel, G. (2015). Low dosage sulfite pretreatment in a modern TMP-line. Nordic Pulp & Paper Research Journal, vol. 30: 4, ss. 591-598.

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, ss. 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, ss. 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, ss. 135-155.

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, ss. 356-366.

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, ss. 344-355.

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, ss. 190-194.

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, ss. 472-479.

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, ss. 349-357.

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, ss. 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, ss. 30-34.

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, ss. 702-706.

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, ss. 6-9.

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, ss. 57-62.

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, ss. 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, ss. 275-281.

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, ss. 525-530.

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, ss. 525-530.

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, ss. 47-63.

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, ss. 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, ss. 224-231.

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, ss. 805-809.

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, ss. 420-427.

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, ss. 218-225.

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

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, ss. 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,

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

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

Nelsson, E. , Sandberg, C. , Svensson-Rundlöf, E. , Muhic, D. , Engberg, B. A. & Engstrand, P. (). Substantially improved energy efficiency in mechanical pulping by new feeding segment design and low dosage sulfonation in mill scale. Applied Energy,

Nelsson, E. , Paulsson, M. , Sandberg, C. , Svensson-Rundlöf, E. & Engstrand, P. (). Low dosage sulfite pretreatment at different refining temperatures in mill scale. Nordic Pulp & Paper Research Journal,

Artiklar, forskningsöversikter

Osong, S. H. , Norgren, S. & Engstrand, P. (2016). Processing of wood-based microfibrillated cellulose and nanofibrillated cellulose, and applications relating to papermaking: a review. Cellulose (London), vol. 23: 1, ss. 93-123.

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, ss. 156-161.

Konferensbidrag

Henshaw Osong, S. , Dahlström, C. , Forsberg, S. , Andres, B. , Engstrand, P. , Norgren, S. , Olin, H. & Engström, A. (2015). Development of CTMP-based nanofibrillated Cellulose /nanographite composites for paper applications. .

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

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

He, J. , Engstrand, P. & Zhang, W. (2014). Bio-SNG production in a TMP Mill in comparison with BIGCC. I Energy Procedia.. S. 2894--2897.

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

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

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?. I International Mechanical Pulping Conference, IMPC 2014.

Nelsson, E. , Sandberg, C. , Svensson-Rundlöf, E. , Muhic, D. , Rohdén, L. , A. Engberg, B. & Engstrand, P. (2014). Improved energy efficiency in thermomechanical pulping through co-optimixation of intensity by segment design and wood softening by sulfonation. I International mechanical pulping conference IMPC 2014.

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

Osong, S. H. , Norgren, S. & Engstrand, P. (2013). Nano-ligno-cellulose from mechanical pulp fines. .. S. 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. , Nelsson, E. & Engstrand, P. (2013). Mechanical testing methods for evaluation of the mechanical properties of sulphonated wood. .

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

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

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

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. I 16th International Symposium on Wood, Fiber and Pulping Chemistry - Proceedings, ISWFPC.. S. 741--745.

Fjellström, H. , Engstrand, P. , Granfeldt, T. & Logenius, L. (2011). Predicting CTMP bleachability using wood shavings. I 16th International Symposium on Wood, Fiber and Pulping Chemistry - Proceedings, ISWFPC.. S. 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. I Proceeding for International Mechanical Pulping Conference, Xi'an, P.R. of China.. S. 457--460.

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

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

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. I Proceedings of the 7th InternationalFundamental Mechanical Pulp Research Seminar, Nanjing, China (2010).. S. 103--111.

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. I Proceedings - 2009 International Mechanical Pulping Conference, IMPC 2009.. S. 344--347.

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

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

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. I Proceedings - 2009 International Mechanical Pulping Conference, IMPC 2009.. S. 309--316.

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. I FMPRS May 2008.

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

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.. .

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

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

Manuskript

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

Rapporter

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