Effects of mechanical activation on the reduction behavior of hematite concentrate

International Journal of Mineral Processing

Volumn 82, Issue 2, 2007, Pages 96-105

  Pourghahramani, Parviz ^a   Forssberg, Eric ^a  

^a LULEÅ UNIVERSITY OF TECHNOLOGY   (Sweden)

Author keywords

Direct reduction; Hematite; Mechanical activation; Structural changes; Thermal analysis

Indexed keywords

DIFFERENTIAL THERMAL ANALYSIS; OXIDE MINERALS; REACTION KINETICS; REDUCTION; X RAY DIFFRACTION;

DIRECT REDUCTION; LASER DIFFRACTION; MECHANICAL ACTIVATION; STRUCTURAL CHANGES;

ACTIVATION ANALYSIS;

EID: 33846634143     PISSN: 03017516     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.minpro.2006.11.003     Document Type: Article

References (33)

1. Baláž P. Influence of solid state properties on ferric chloride leaching of mechanically activated galena. Hydrometallurgy 40 (1996) 359-368
2. Baláž P. Extractive Metallurgy of Activated Minerals (2000), Elsevier, Amsterdam
3. Baláž P. Mechanical activation in hydrometallurgy. Int. J. Miner. Process. 72 (2003) 341-354
4. Baláž P., and Ebert I. Thermal decomposition of mechanically activated sphalerite. Thermochim. Acta 180 (1991) 117-123
5. Barton A.F.M., and McConnel S.R. Rotating disc dissolution rates of ionic solids: Part 3. Natural and synthetic ilmenite. J. Chem. Soc., Faraday Trans. I 75 (1979) 971-983
6. Bessieres J., Bessieres A., and Heizmann I.J. Iron oxide reduction kinetics by hydrogen. Int. J. Hydrogen Energy 5 (1980) 585-595
7. Bradshaw S.M. Applications of microwave heating in mineral processing. South Afr. J. Sci. (1999) 394-396
8. Brown M.-E. Introduction to Thermal Analysis. Second Edition. Techniques and Applications (2001), Kluwer Academic Publishers, Secaucus, NJ, USA. http://site.ebrary.com/lib/lulea http://site.ebrary.com/lib/lulea
9. Chen Q., Hu H., Yin Z., Zhang P., and Ye L. The oxidation behavior of unactivated and mechanically activated sphalerite. Metall. Mater. Trans. 33B (2002) 897-900
10. El-Rahaiby S.K., and Rao Y.K. The kinetics of reduction of iron oxides at moderate temperatures. Metall. Trans. 10B (1979) 257-269
11. 2 during iron oxide reduction. Metall. Trans. 10B (1979) 211-217
12. Heegn, H., 1986. ScD. Theses, Research Institute of Mineral Processing of The Academy of Sciences of the GDR, Freiberg (in German).
13. Hu H., Chen Q., Yin Z., Zhang P., Zou J., and Che H. Study on the kinetics of thermal decomposition of mechanically activated pyrites. Thermochim. Acta 389 (2002) 79-83
14. Hu H., Chen Q., Yin Z., Zhang P., and Ye L. The thermal behavior of mechanically activated galena by thermogravimetry analysis. Metall. Mater. Trans. 34A (2003) 793-797
15. Mendoza-Resedez R., Morales M.P., and Serna C.J. Reduction mechanism of uniform iron oxide nanoparticles to metal used as recording media. Mater. Sci. Eng., C, Biomim. Mater., Sens. Syst. C23 (2003) 1139-1142
16. 3 systems. Thermochim. Acta 291 (1997) 171-177
17. Murata Y., and Morinaga M. Recrystallization behaviour of pure iron at Curie temperature. Scr. Mater. 43 (2000) 509-513
18. Perez-Rodriguez L.J., and Sanchez-Soto P.J. The influence of the dry grinding on the thermal behaviour of pyrophyllite. J. Therm. Anal. 37 (1991) 1401-1413
19. 2; part I: low temperature reduction of hematite. Thermochim. Acta 447 (2006) 89-100
20. Pourghahramani P., and Forssberg E. Microstructure characterization of mechanically activated hematite using XRD line broadening. Int. J. Miner. Process. 79 (2006) 106-119
21. Pourghahramani P., and Forssberg E. Comparative study of microstructural characteristics and stored energy of mechanically activated hematite in different grinding environments. Int. J. Miner. Process. 79 (2006) 120-139
22. Raygan S., Khaki J.V., and Aboutalebi M.R. Effect of mechanical activation on the packed-bed, high-temperature behavior of hematite and graphite mixture in air. J. Mater. Synth. Process. 10 (2002) 113-120
23. Sastri M.V.C., Viswanath R.P., and Viswanathan B. Studies on the reduction of iron oxide with hydrogen. Int. J. Hydrogen Energy 7 (1982) 951-955
24. Senna M. Determination of effective surface area for the chemical reaction of fine particulate material. Part. Part. Syst. Charact. 6 (1989) 163-167
25. Temuujin J., Okada K., Jadambaa T.S., MacKenzie K.J.D., and Amarsanaa J. Effect of grinding on the leaching behaviour of pyrophyllite. J. Eur. Ceram. Soc. 23 (2003) 1277-1282
26. Tkáčová K. Mechanical Activation of Minerals (1989), Elsevier, Amsterdam
27. Tkáčová K., and Baláž P. Structural and temperature sensitivity of leaching of chalcopyrite with iron (III) sulphate. Hydrometallurgy 21 (1988) 103-112
28. Tkáčová K., Baláž P., and Bastl Z. Thermal characterization of changes in structure and properties of chalcopyrite after mechanical activation. Thermochim. Acta 170 (1990) 277-287
29. Tkáčová K., Baláž P., Mišura B., Vigdergauz V.E., and Chanturiya V.A. Selective leaching of zinc from mechanically activated complex Cu-Pb-Zn concentrate. Hydrometallurgy 33 (1993) 291-300
30. Tokuda M., Yoshikoshi H., and Ohtani M. Kinetics of the reduction of iron ore. Trans. Iron Steel Inst. Jpn.Trans ISIJ 13 (1973) 350-363
31. Tromans D., and Meech J.A. Enhanced dissolution of minerals: microtopography and mechanical activation. Miner. Eng. 12 (1999) 609-625
32. Welham N.J. Enhanced dissolution of tantalite/columbite following milling. Int. J. Miner. Process. 61 (2001) 145-154
33. Welham N.J. Activation of the carbothermic reduction of manganese ore. Int. J. Miner. Process. 67 (2002) 187-198