Effects of moisture content, torrefaction temperature, and die temperature in pilot scale pelletizing of torrefied Norway spruce

Applied Energy

Volumn 102, Issue , 2013, Pages 827-832

  Larsson, Sylvia H ^a   Rudolfsson, Magnus ^a   Nordwaeger, Martin ^b   Olofsson, Ingemar ^b   Samuelsson, Robert ^a  

^a SWEDISH UNIVERSITY OF AGRICULTURAL SCIENCES   (Sweden)

^b UMEÅ UNIVERSITY   (Sweden)

Author keywords

Bulk density; Compaction; Durability; Energy consumption; Pellet quality; Torrefied biomass

Indexed keywords

COMPACTION; DIES; DURABILITY; ENERGY UTILIZATION; MATERIALS HANDLING; MOISTURE DETERMINATION; PLANTS (BOTANY);

BULK DENSITY; DIE CHANNELS; DIE TEMPERATURES; FACTORIAL DESIGN; FLOW BEHAVIORS; NORWAY SPRUCE; PELLET PRODUCTION; PELLET QUALITY; PILOT SCALE; POSITIVE CORRELATIONS; PRODUCTION RATES; WOOD PELLET;

PELLETIZING;

BIOMASS POWER; BULK DENSITY; CONIFEROUS FOREST; DURABILITY; ENERGY USE; FLOW PATTERN; MOISTURE CONTENT; TEMPERATURE EFFECT; COMPACTION; CONIFEROUS TREE;

PICEA ABIES;

EID: 84870753624     PISSN: 03062619     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.apenergy.2012.08.046     Document Type: Article

References (26)

1. Junginger M., Bolkesjø T., Bradley D., Dolzan P., Faaij A., Heinimö J., et al. Developments in international bioenergy trade. Biomass Bioenergy 2008, 32:717-729.
2. Arshadi M., Gref R., Geladi P., Dahlqvist S.-A., Lestander T. The influence of raw material characteristics on the industrial pelletizing process and pellet quality. Fuel Process Technol 2008, 89:1442-1447.
3. Larsson S.H. Kinematic wall friction properties of reed canary grass powder at high and low normal stresses. Powder Technol 2010, 198:108-113.
4. Nielsen N.P.K., Gardner D.J., Poulsen T., Felby C. Importance of temperature, moisture content, and species for the conversion process of wood residues into fuel pellets. Wood Fiber Sci 2009, 41:414-425.
5. Samuelsson R., Larsson S.H., Thyrel M., Lestander T.A. Moisture content and storage time influence the binding mechanisms in biofuel pellets. Appl Energy 2012, 99:109-115.
6. Bridgeman T.G., Jones J.M., Shield I., Williams P.T. Torrefaction of reed canary grass, wheat straw and willow to enhance solid fuel qualities and combustion properties. Fuel 2008, 87:844-856.
7. Prins M.J., Ptasinski K.J., Janssen F.J.J.G. More efficient biomass gasification via torrefaction. Energy 2006, 31:3458-3470.
8. Stelte W., Clemons C., Holm J.K., Sanadi A.R., Ahrenfeldt J., Shang L., et al. Pelletizing properties of torrefied spruce. Biomass Bioenergy 2011, 35:4690-4698.
9. Trattner K. Presentation of the ACB process 2011, Andritz AG, Graz, Austria.
10. Verhoeff F., Pels J.R., Boersma A.R., Zwart R.W.R., Kiel J.H.A. ECN torrefaction technology heading for demonstration 2011, Energy research centre, Netherlands.
11. Larsson S.H., Rudolfsson M. Temperature control in energy grass pellet production - effects on process stability and pellet quality. Appl Energy 2012, 97:24-29.
12. Larsson S.H., Thyrel M., Geladi P., Lestander T.A. High quality biofuel pellet production from pre-compacted low density raw materials. Bioresour Technol 2008, 99:7176-7182.
13. Samuelsson R., Thyrel M., Sjöström M., Lestander T.A. Effect of biomaterial characteristics on pelletizing properties and biofuel pellet quality. Fuel Process Technol 2009, 90:1129-1134.
14. Ek M. Ljungberg textbook. Pulp and paper chemistry and technology. Book 2. Pulping chemistry and technology 2007, Fiber and Polymer Technology, KTH, Stockholm.
15. Sjöström E. Wood chemistry: fundamentals and applications 1993, Academic Press, San Diego. 2nd ed.
16. Myers R.H., Montgomery D.C. Response surface methodology: process and product optimization using designed experiments 2002, John Wiley & Sons, Inc., USA. 2nd ed.
17. EN 14774-2:2009. Solid biofuels - methods for determination of moisture content - oven dry method. Total moisture: simplified method.
18. EN 15103:2009. Solid biofuels - determination of bulk density.
19. EN 15210-1:2009. Solid biofuels - determination of mechanical durability of pellets and briquettes. Pellets.
20. Anonymous. MODDE. 9.0.0.0 ed. Umeå, (Sweden): Umetrics; 2009.
21. Myers R.H. Classical and modern regression with applications 1986, Duxbury Press, Boston (USA_.
22. Obernberger I., Thek G. The pellet handbook 2010, Earthscan, London (UK). 1st ed.
23. Back E.L. The bonding mechanism in hardboard manufacture - review report. Holzforschung 1987, 41:247-258.
24. Björk H., Rasmuson A. Moisture equilibrium of wood and bark chips in superheated steam. Fuel 1995, 74:1887-1890.
25. Acharjee T.C., Coronella C.J., Vasquez V.R. Effect of thermal pretreatment on equilibrium moisture content of lignocellulosic biomass. Bioresour Technol 2011, 102:4849-4854.
26. Abou-Chakra H., Tüzün U. Microstructural blending of coal to enhance flowability. Powder Technol 2000, 111:200-209.