Microstructural characterization of hematite during wet and dry millings using Rietveld and XRD line profile analyses

Powder Technology

Volumn 186, Issue 1, 2008, Pages 9-21

  Pourghahramani, Parviz ^a   Altin, Erguen ^b   Mallembakam, Madhusudhan Rao ^b   Peukert, Wolfgang ^b   Forssberg, Eric ^c  

^a SAHAND UNIVERSITY OF TECHNOLOGY   (Iran)

^b UNIVERSITY OF ERLANGEN NUREMBERG   (Germany)

^c LULEÅ UNIVERSITY OF TECHNOLOGY   (Sweden)

Author keywords

Iron oxide; Mechanical activation; Structural changes; Wet and dry milling

Indexed keywords

AMORPHOUS MATERIALS; CRYSTAL STRUCTURE; IRON OXIDES; MICROSTRUCTURE;

MECHANICAL ACTIVATION; STRUCTURAL CHANGES;

HEMATITE;

FERRIC OXIDE;

AMORPHOUS MATERIALS; CRYSTAL STRUCTURE; HEMATITE; IRON OXIDES; MICROSTRUCTURE;

ARTICLE; CHEMICAL ANALYSIS; CHEMICAL STRUCTURE; CRYSTAL STRUCTURE; DIFFERENTIAL SCANNING CALORIMETRY; ENERGY CONSUMPTION; INFRARED SPECTROSCOPY; PARTICLE SIZE; STRUCTURE ANALYSIS; THERMOGRAVIMETRY; X RAY DIFFRACTION;

EID: 44649107701     PISSN: 00325910     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.powtec.2007.10.027     Document Type: Article

References (34)

1. Boldyrev V.V., and Avvakumov E.G. Mechanochemistry of inorganic solids. Russ. Chem. Rev. 40 10 (1971) 847-859
2. Butyagin P.Yu. Kinetics and nature of mechanochemical reactions. Russ. Chem. Rev. 40 11 (1971) 901-915
3. Baláž P. Influence of solid state properties on ferric chloride leaching of mechanically activated galena. Hydrometallurgy 40 (1996) 359-368
4. Baláž P. Extractive Metallurgy of Activated minerals (2000), Elsevier, Amsterdam
5. 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
6. 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
7. Tromans D., and Meech J.A. Enhanced dissolution of minerals: microtopography and mechanical activation. Miner. Eng. 12 (1999) 609-625
8. Welham N.J. Enhanced dissolution of tantalite/columbite following milling. Int. J. Miner. Process. 61 (2001) 145-154
9. Tkáčová K., and Stevulová N. Change in structure and enthalpy of carbonates and quartz accompanying grinding in air and aqueous environments. Powder Technol. 52 2 (1987) 161-166
10. Tkáčová K. Mechanical activation of minerals. In: Fuerstenau D.W. (Ed). Developments in Mineral Processing vol. 11 (1989), Elsevier 93-105
11. Blecher L., Kwade A., and Schwedes J. Motion and stress intensity of grinding beads in a stirred media mill. Part 1: energy density distribution and motion of single grinding beads. Powder Technol. 86 1 (1996) 59-68
12. Kwade A., Blecher L., and Schwedes J. Motion and stress intensity of grinding beads in a stirred media mill. Part 2: stress intensity and its effect on comminution. Powder Technol. 86 1 (1996) 69-76
13. Stenger F., Mende S., Schwedes J., and Peukert W. Nanomilling in stirred media mills. Chem. Eng. Sci. 60 (2005) 4557-4565
14. Mende S., Schwedes J., Stenger F., and Peukert W. Mechanical production and stabilisation of submicron particles in stirred ball media mills. Powder Technol. 132 (2003) 64-73
15. Warren B.E., and Averbach B.L. The effect of cold-work distortion on X-Ray patterns. J. Appl. Phys. 21 (1950) 595-599
16. Pourghahramani P., and Forssberg E. Microstructure characterization of mechanically activated hematite using XRD line broadening. Int. J. Miner. Process. 79 (2006) 106-119
17. 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
18. Young R.A. Introduction to the Rietveld method - the Rietveld method. In: Young R.A. (Ed). IUCr Book Series (1993), Oxford University Press
19. DIFFRACplus TOPAS/TOPAS R/TOPAS P Version 2.1, Technical Reference, Bruker AXS GmbH, Karlsruhe, 2003 and www.bruker-axs.com.
20. Balzar D. Voigt-Function model in diffraction line-broadening analysis. In: Snyder R.L., Bunge H.J., and Fiala J. (Eds). Defect and Microstructure Analysis from Diffraction. International Union of Crystallography Monographs on Crystallography vol. 10 (1999), Oxford University Press, New York 94-126
21. Balzar D., Audebrand N., Daymond M., Fitch A., Hewat A., Langford J.I., Le Bail A., Louër D., Masson O., McCowan C.N., Popa N.C., Stephens P.W., and Toby B. Size-strain line-broadening analysis of the ceria round-robin sample. J. Appl. Crystallogr. 37 (2004) 911-924
22. Welham N.J., and Llewellyn D.J. Mechanical enhancement of the dissolution of ilmenite. Miner. Eng. 11 9 (1998) 827-841
23. Zhang Q., Kasai E., and Saito F. Mechanochemical changes in gypsum when dry ground with hydrated minerals. Powder Technol. 87 (1996) 67-71
24. Baláž P., Huhn H., Tkáčová K., and Heegn H. Laugungsverhalten und physiko-chemische Eigenschaften in unterschiedlichen Mühlen vorbehandeltem Chalkopyrit. Erzmetall 41 (1988) 325-331
25. Ohlberg S.M., and Strickler D.W. Determination of percent crystallinity of partly devitrified glass by X-Ray diffraction. J. Am. Ceram. Soc. 45 (1962) 170-171
26. Mineral database (2005). http://webmineral.com/data/hematite.shtml http://webmineral.com/data/hematite.shtml
27. Pourghahramani P., and Forssberg E. The characterization of structural changes in hematite ground in a confined particle bed using Rietveld analysis. Int. J. Miner. Process 83 (2007) 47-59
28. Lucks I., Lamparter P., and Mittemeijer E.J. An evaluation of methods of diffraction-line broadening analysis applied to ball-milled molybdenum. J. Appl. Crystallogr. 37 (2004) 300-311
29. 2. J. Solid State Chem. 149 (2000) 41-48
30. Lin I.J., Nadiv S., and Grodzian Pavlyukhin D.J.M. Changes in the state of solids and mechano-chemical reactions in prolonged comminution processes. Miner. Sci. Eng. 7 (1975) 313-336
31. Orumwense O.A., and Forssberg E. Surface and structural changes in wet ground minerals. Powder Technol. 68 (1991) 23-29
32. Klug H.P., Alexander L.E., and L. E. X-ray diffraction procedures. 2nd Edition (1974), Wiley and Sons Inc., New York 996 pp.
33. Patterson E., and Swaffield R. Influence of adsorbed anions on the dehydroxylation of synthetic goethite. J. Therm. Anal. 18 (1980) 161-167
34. 3 during wet dispersing in stirred media mills. Part. Part. Syst. Charact. 21 (2004) 31-38