Methods for determination of moisture content in woodchips for power plants - A review

Fuel

Volumn 83, Issue 7-8, 2004, Pages 773-779

  Nystrom J ^a   Dahlquist, E ^a  

^a MÄLARDALEN UNIVERSITY   (Sweden)

Author keywords

Bio fuel; Moisture content; On line measurement

Indexed keywords

COMBUSTION; CONTROL SYSTEMS; EVAPORATION; MOISTURE; ONLINE SYSTEMS; POWER PLANTS; PRINCIPAL COMPONENT ANALYSIS; SOOT;

BIOFUELS; ONLINE MEASUREMENT;

WOOD FUELS;

EID: 1342286062     PISSN: 00162361     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.fuel.2003.11.002     Document Type: Review

References (32)

1. Swedish Standards Institution. Biofuels and peat - determination of total moisture; 1997. SS187170.
2. Swedish Standards Institution. Biofuels - sampling of wood and peatfuel; 1998. SS187113.
3. Nordell A., Vikterlöf K.J. Measurements of moisture content in wood fuels with dual energy X-ray. Värmeforsk. 2000;. ISSN 0282-3772.
4. Acceptance tests on steam generators. DIN 1942; 1979.
5. Wester L. Förbränning- och rökgasreningsteknik. Kompendium. 2001.
6. Personal reference: Max Rindborg. Millsys Västerås.
7. Axelsson J, Edelborg M. Bränslekaraktärisering-Bestämning av fukthalt i trädbränsle utifrån radiofrekvens. Mälardalen University 2001; 2001. p. 118.
8. Esbensen K.H., Guyot D., Westad F. Multivariate data analysis - in practice. CAMO ASA. 2000;. ISBN 82-993330-2-4.
9. Beining B.A., Holden N.M., Ward S.M., Farrell E.P. The prediction of some peat properties for Irish industrial bogs using near infrared spectroscopy. Proceeding of IPC Wetland Conference, Quebec, Canada. 2000.
10. Ayalew G., Ward S.M. Development of a prototype infrared reflectance moisture meter for milled peat. Comput Electron Agric. 28:2000;1-14.
11. Antti H. Multvariate characterization of wood related materials. PhD Thesis. Sweden: Department of Chemistry, Umeå University; 1999. ISBN: 91-7191-712-8.
12. Hauksson J.B., Bergquist G., Bergsten U., Sjöström M., Edlund U. Prediction of basic wood properties for Norway spruce. Interpretation of near infrared spectroscopy data using partial least squares regression. Wood Sci Technol. 35:2001;475-485.
13. Axrup L. Long term evaluation of on-line analysis of woodchips and biofuel using miniature diode array NIR spectrometers. Manuscript 2002.
14. Nyström J., Axrup L., Dahlquist E. Long-term evaluation of on-line sensors for determination of moisture in biomass. Varmeforsk Project publication series. 2002;. p. A9-819.
15. Axrup L., Markides K., Nilsson T. Using miniature diode array NIR spectrometers for analysing wood chips and bark samples in motion. J Chemometrics. 14:2000;561-572.
16. Torgovnicov G.I. Dielectric properties of wood and wood-based materials. 1993;Springer, Berlin. ISBN 3-540-55394-0.
17. Anagnostopoulou-Konsta A, Pissis P. The influence of humidity on the dielectric properties of wood. Fifth International Conference on Dielectric Materials, Measurements and Applications; 1998. p. 105-8. ISBN 085296 3599.
18. Tsutsumi J., Watenabe H. Studies on dielectric behaviour of wood. 1. Effects of frequency and temperature on ε′ and ε″ J Jpn Wood Res Soc. 12:(3):1965;115-118.
19. James WL, Yen Y-H, King RJ. A microwave method for measuring moisture content, density and grain angle of wood. US Department of Agric. Forest Service; 1985. FPL-0250.
20. James WL. Dielectric properties of wood and hardboard: variation with temperature, frequency moisture content, and grain orientation. Madison, WI: US Department of Agriculture; 1974. Res. Pap FPL 245.
21. Backa S, Gäfvert U, Claesson B, Persson U. Method and device for determining a plurality of quality variables which describe the condition of an organic matter. International patent WO 98/39639; Sept. 11, 1998.
22. Wallance M., Faith D.C. III, Cooper S.L. Dielectric spectroscopy at sub-audio frequencies-two techniques in comparison (thermoplastic elastomer permittivity spectra). Rev Sci Instrum. 51:(10):1980;1338-1341.
23. Hollinger R.D., Jose K.A., Tellakula A., Varadan V.V., Varadan V.K. Microwave characterization of dielectric materials from 8 to 110 GHz using a free-space setup. Microwave Opt Technol Lett. 26:2000;100-105.
24. Tiuri M., Toikka M. Radio wave probe for in situ water content measurement of peat. Sou 33. 33:(3):1982;65-70.
25. Okamura S., Zhang Y. New method for moisture content measurement using phase shifts at two microwave frequencies. J Microwave Power Electromagn Energy. 35:(3):2000.
26. Johansson J. Property predictions of wood using microwaves. Licentiate thesis. Sweden: Department of Chemistry, Umeå University; 2001. ISSN: 1402-1757.
27. Rehnberg H. Moisture measurement on woodchips and other solid biofuels. Värmeforsk. 2001;. ISSN 0282-3772.
28. Toropainen A. Set-up for measuring changes in the average size of wooden chips by microwave scattering. European Microwave Conference, Cannes. 1994;. p. 1203-8.
29. Baltes H., Göpel W., Hesse J. Sensors update. vol. 7:2000;Wiley-VCH, New York. ISBN 3-572-29821-5.
30. Nelson S.O., Kraszewski A.W., Trabelsi S., Lawrence K.C. Using cereal grain permittivity for sensing moisture content. IEEE Trans Instrum Meas. 49:(3):2000;470-475.
31. Lindstrand N. DediTech ger norska Borregard bättre ekonomi och kvalitetsstyrning. Papper and Massa 2001; 1/2001. [in Swedish].
32. Rosenberg E, Schatvet J, Høydal K. In-kiln measurements of moisture content in timber at Moelven Våler AS. Third European COST E15 Workshop on wood drying: softwood drying to specific end-uses, Helsinki, Finland; 2001. p.1-9.