A study on plasticity and compression strength in wet iron ore green pellets related to real process variations in raw material fineness

Powder Technology

Volumn 181, Issue 3, 2008, Pages 321-330

  Forsmo, S P E ^a,b   Samskog, P O ^a,b   Bjorkman B M T ^b  

^a LKAB   (Sweden)

^b LULEÅ UNIVERSITY OF TECHNOLOGY   (Sweden)

Author keywords

Agglomeration; Fineness; Green pellets; Iron ore; Magnetite; Plasticity

Indexed keywords

AGGLOMERATION; MOISTURE; PARTICLE SIZE ANALYSIS; PLASTICITY;

GREEN PELLETS; PARTICLE SIZE DISTRIBUTION CURVE;

MAGNETITE;

BENTONITE; IRON; MAGNETITE; WATER;

AGGLOMERATION; MAGNETITE; MOISTURE; PARTICLE SIZE ANALYSIS; PLASTICITY;

ARTICLE; COMPRESSIVE STRENGTH; CONCENTRATION (PARAMETERS); LABORATORY; MOISTURE; PARTICLE SIZE; PERMEABILITY; PLASTICITY; SURFACE PROPERTY;

EID: 38849148494     PISSN: 00325910     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.powtec.2007.05.023     Document Type: Article

References (28)

1. Ball D.F., Dartnell J., Davison J., Grieve A., and Wild R. Agglomeration in Iron Ores (1973), Heinemann Educational Books Ltd., London
2. Forsmo S.P.E., Apelqvist A.J., Björkman B.M.T., and Samskog P.-O. Binding mechanisms in wet iron ore green pellets with a bentonite binder. Powder Technol. 169 (2006) 147-158
3. Meyer K. Pelletizing of Iron Ores (1980), Springer-Verlag, Berlin
4. Srb J., and Ruzickova Z. Pelletization of Fines (1988), Elsevier Science Publishing Company, Inc., New York
5. Pietsch W. Size Enlargement by Agglomeration (1991), John Wiley & Sons, Chichester, England
6. H. Rumpf, in: W. A. Knepper (Ed.), The Strength of Granules and Agglomerates, AIME, Agglomeration, Interscience, New-York, 1962, pp. 379-418.
7. Ennis B.J., Tardos G.I., and Pfeffer R. A microlevel-based characterization of granulation phenomena. Powder Technol. 65 (1991) 257-272
8. Iveson S.M., Litster J.D., and Ennis B.J. Fundamental studies of granule consolidation. Part 1: Effects of binder content and binder viscosity. Powder Technol. 88 (1996) 15-20
9. Keningley S.T., Knight P.C., and Marson A.D. An investigation into the effects of binder viscosity on agglomeration behaviour. Powder Technol. 91 (1997) 95-103
10. Mills P.J.T., Seville J.P.K., Knight P.C., and Adams M.J. The effect of binder viscosity on particle agglomeration in a low shear mixer/agglomerator. Powder Technol. 113 (2000) 140-147
11. Knight P.C. Structuring agglomerated products for improved performance. Powder Technol. 119 (2001) 14-25
12. Pepin X., Simons S.J.R., Blanchon S., Rossetti D., and Couarraze G. Hardness of moist agglomerates in relation to interparticle friction, granule liquid content and nature. Powder Technol. 117 (2001) 123-138
13. Iveson S.M., and Page N.W. Dynamic strength of liquid-bound granular materials: the effect of particle size and shape. Powder Technol. 152 (2005) 79-89
14. Kristensen H.G., Holm P., and Schaefer T. Mechanical properties of moist agglomerates in relation to granulation mechanisms. Part I. Deformability of moist, densified agglomerates. Powder Technol. 44 (1985) 227-237
15. Kristensen H.G., Holm P., and Schaefer T. Mechanical properties of moist agglomerates in relation to granulation mechanisms. Part II. Effects of particle size distribution. Powder Technol. 44 (1985) 239-247
16. Iveson S.M., and Litster J.D. Liquid-bound granule impact deformation and coefficient of restitution. Powder Technol. 99 (1998) 234-242
17. Iveson S.M., Page N.W., and Litster J.D. The importance of wet-powder dynamic mechanical properties in understanding granulation. Powder Technol. 130 (2003) 97-101
18. Iveson S.M., Litster J.D., Hapgood K., and Ennis B.J. Nucleation, growth and breakage phenomena in agitated wet granulation processes: a review. Powder Technol. 117 (2001) 3-39
19. Newitt D.M., and Conway-Jones J.M. A contribution to the theory and practice of granulation. Trans. I. Chem. Eng. 36 (1958) 422-442
20. Beale C.O., Appleby J.E., Butterfield P., and Young P.A. Special Report vol. 78 (1964), ISI, London 50-62
21. Sportel H., Beentjes P., Rengersen J., and Droog J. Quality of green iron ore pellets. Ironmak. Steelmak. 24 (1997) 129-132
22. Schubert H., Herrmann W., and Rumpf H. Deformation behaviour of agglomerates under tensile stress. Powder Technol. 11 (1975) 121-131
23. Sastry K.V.S., and Fuerstenau D.W. Ballability index to quantify agglomerate growth by green pelletization. AIME Trans. (1972) 254-258
24. Forsmo S.P.E., and Vuori J.P. The determination of porosity in iron ore green pellets by packing in silica sand. Powder Technol. 159 (2005) 71-77
25. Urich D.M., and Han T.-M. a progress report on the effect of grind, temperature, and pellet size upon the quality of specular hematite pellets. In: Knepper W.A. (Ed). Agglomeration (1962), Interscience, New York 669-719
26. German R.M. Particle Packing Characteristics (1989), Metal powder federation, New Jersey
27. International Standard ISO4700:1996(E). Iron Ore Pellets - Determination of Crushing Strength (1996)
28. Svensson J. Bestämning av specifika ytan på kross-och malgods enligt permeabilitetsmetoden. Jernkontorets Ann., Stockholm 133 (1949) 33-86 (in Swedish)