The effect of calcium and temperature on the transformation of sodalite to cancrinite in Bayer digestion

Hydrometallurgy

Volumn 105, Issue 1-2, 2010, Pages 75-81

  Xu, Bingan ^a   Smith, Peter ^a   Wingate, Christine ^a   De Silva, Lynette ^a  

^a Parker Cooperative Research Centre for Integrated Hydrometallurgy Solutions   (Australia)

Author keywords

Avrami model; Bayer digestion; Cancrinite; DSP; High silica bauxite; Lime; Silica in Bayer liquor; Soda reduction; Transformation of sodalite; XRD phase quantification

Indexed keywords

AVRAMI MODELS; BAYER DIGESTION; CANCRINITE; DSP; HIGH SILICA BAUXITE; SODA REDUCTION; TRANSFORMATION OF SODALITE; XRD;

ACTIVATION ENERGY; CALCIUM; CARBONATE MINERALS; LIME; SILICA;

PROCESS CONTROL;

EID: 78249255466     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2010.07.010     Document Type: Article

References (28)

1. J.A. Armstrong, and S.E. Dann Investigation of zeolite scales formed in the Bayer process Microporous and Mesoporous Materials 41 2000 89 97
2. M.C. Barnes, J. Addai-Mensah, A.R. Gerson, and R.S.C. Smart The solubility of sodalite and cancrinite in synthetic spent liquor and the mechanism and kinetics of sodalite to cancrinite phase transformation Light Metals 1999 131 140
3. M.C. Barnes, J. Addai-Mensah, and A.R. Gerson The mechanism of the sodalite-to-cancrinite phase transformation in synthetic spent Bayer liquor Microporous and Mesoporous Materials 31 1999 287 302
4. M.C. Barnes, J. Addai-Mensah, and A.R. Gerson The kinetics of desilication of synthetic spent Bayer liquor and sodalite crystal growth Colloids and Surfaces A 147 1999 283 295
5. M.C. Barnes, J. Addai-Mensah, and A.R. Gerson The kinetics of desilication of synthetic spent Bayer liquor seeded with cancrinite and cancrinite/sodalite mixed-phase crystals Journal of Crystal Growth 200 1999 251 264
6. M.C. Barnes, J. Addai-Mensah, and A.R. Gerson The kinetics of desilication of synthetic spent Bayer liquor seeded with pure sodalite, pure cancrinite and their dimorphic phase mixtures Light Metals 1999 121 129
7. R.M. Barrer Zeolites and Clay Minerals as Sorbents and Molecular Sieves 1978 Academic Press 23 97
8. Barrer, R.M., and Cram, P.J., 1971. Heats of immersion of outgassed ion-exchanged zeolites, in "Molecular Sieve Zeolites II", Advances in Chemistry Series No. 102, Amer. Chem. Soc., Ed. Gould, R.F. pp 105-131.
9. R.M. Barrer, and J.A. Davies Heat of exchange between gaseous ions and ions in anhydrous zeolites Journal of Physics and Chemistry of Solids 30 1969 1921 1928
10. R.M. Barrer, L.V.C. Rees, and D.J. Ward Thermochemistry and thermodynamics of ion exchange in a crystalline exchange medium Proceedings of the Royal Society of London, Series A 273 1963 180 197
11. F. Chung Quantitative interpretation of X-ray diffraction patterns of mixtures: I. Matrix-flushing method for quantitative multicomponent analysis Journal of Applied Crystallography 7 1974 519 525
12. W.L. Connop A new procedure for the determination of alumina, caustic and carbonate in Bayer liquors Fourth International Alumina Quality Workshop 1996 Darwin Australia 321 330
13. B. Coughlan, and W.M. Carroll Water in ion-exchanged L, A, X and Y zeolites: a heat of immersion and thermogravimetric study Journal of the Chemical Society, Faraday Transactions 1 72 1976 2016 2030
14. D. Croker, M. Loan, and B.K. Hodnett Desilication reactions at digestion conditions: an in situ X-ray diffraction study Crystal Growth and Design 8 12 2008 4499 4505
15. A. Gerson, and K. Zhang Bayer process plant scale: transformation of sodalite to cancrinite Journal of Crystal Growth 171 1997 209 218
16. I. Hassan Feldspathoids and their relationships to zeolites Kuwait Journal of Science & Engineering 24 1 1997 163 183
17. M.E. Hudson Alumina production A.R. Burkin, Production of Aluminium and Alumina 1987 John Wiley & Sons 11 46
18. J.L. Lowe, P.G. Smith, A.L. Rohl, R. Pennifold, and G. Parkinson Understanding growth of DSP in the presence of inorganic ions Sixth international Alumina Quality Workshop, Brisbane, Qld, Australia 2002 191 194
19. J.W. Mullin Crystallization Fourth ed. 2004 Elsevier
20. A. Putnis Introduction to Mineral Sciences 1992 Cambridge University Press Cambridge
21. A.D. Randolph, and M.A. Larson Theory of Particulate Processes Second ed. 1988 Academic Press 109 132
22. Rosenberg, S.P., Wilson, D.J. and Heath, C.A., 2000. Improved Bayer causticization. International Patent, WO 00/18684.
23. S.P. Rosenberg, D.J. Wilson, and C.A. Heath Some aspects of calcium chemistry in the Bayer process Light Metals 2001 19 25
24. D.R. Rosseinsky Electrode potentials and hydration energies. Theories and correlations Chemical Reviews 65 1965 467 489
25. P.G. Smith The processing of high silica bauxites-review of existing and potential processes Hydrometallurgy 98 2009 162 176
26. P.G. Smith, R. Pennifold, T. Lwin, and A. Kane The composition of DSP formed under predesilication and high temperature Bayer digestion conditions Light Metals 2001 5 11
27. B. Xu, C. Wingate, and P.G. Smith Transformation of sodalite to cancrinite under high temperature Bayer digestion conditions Light Metals 2009 51 56
28. B. Xu, C. Wingate, and P.G. Smith The effect of anatase and lime on the transformation of sodalite to cancrinite in Bayer digestion at 250 °C Light Metals 2010 81 86