Leaching behaviour of high surface area synthetic boehmite in NaOH solution

Hydrometallurgy

Volumn 137, Issue , 2013, Pages 23-32

  Alex, T C ^a   Kumar, Rakesh ^a   Roy, S K ^b   Mehrotra, S P ^c  

^a NATIONAL METALLURGICAL LABORATORY   (India)

^b INDIAN INSTITUTE OF TECHNOLOGY   (India)

^c INDIAN INSTITUTE OF TECHNOLOGY GANDHINAGAR   (India)

Author keywords

Boehmite; Kinetic analysis; Leaching; Reduced time plot; Shrinking core model

Indexed keywords

APPARENT ACTIVATION ENERGY; BOEHMITE; HIGH SPECIFIC SURFACE AREA; KINETIC ANALYSIS; PARTICLE SIZE REDUCTION; REDUCED TIME PLOT; SHRINKING CORE MODEL; SURFACE REACTION MODELS;

AGGLOMERATION; DECOMPOSITION; DISSOLUTION; PARTICLE SIZE; PARTICLE SIZE ANALYSIS; PLATELETS; SHRINKAGE; SURFACE REACTIONS;

LEACHING;

EID: 84878371405     PISSN: 0304386X     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.hydromet.2013.04.004     Document Type: Article

References (34)

1. 3 transformation Metall. Mater. Trans. B 42B 2011 592 603
2. T.C. Alex, R. Kumar, S.K. Roy, and S.P. Mehrotra Anomalous reduction in surface area during mechanical activation of boehmite synthesized by thermal decomposition of gibbsite Powder Technol. 208 2011 128 136
3. Amira International Alumina technology road map Website http://www1.eere.energy.gov/manufacturing/industries-technologies/aluminum/pdfs/ alumina.pdf 2001 (last accessed on September 5, 2012)
4. L. Bao, T.A. Zhang, Z.H Dou, G.Z. Lü, Y.N. Guo, P.Y. Ni, X.J. Wu, and J. Ma Kinetics of AlOOH dissolving in caustic solution studied by high-pressure DSC Trans. Nonferrous Met. Soc. China 21 2011 173 178
5. W. Chesworth The stability of gibbsite and boehmite at the surface of the earth Clays Clay Miner. 2 1972 369 374
6. I. Djuric, I. Mihajlovic, Z. Zivkovic, and R. Filipović Modeling the compensation effect for different bauxite types leaching in NaOH solution Chem. Eng. Commun. 197 12 2010 1485 1499
7. I. Djuric, I. Mihajlovic, and Z. Zivkovic Kinetic modeling of different bauxite types in the Bayer leaching process Can. Metall. Q. 49 3 2010 209 218
8. E.A. Giess Equations and tables for analyzing the solid-state reaction kinetics J. Am. Ceram. Soc. 46 8 1963 374 376
9. H. Grénman, T. Salmi, D.Y. Murzin, and J. Addai-Mensah Dissolution of boehmite in sodium hydroxide at ambient pressure: kinetics and modelling Hydrometallurgy 102 2010 22 30
10. P.K. Heda, D. Dollimore, K.S. Alexander, D. Chen, E. Law, and P. Bicknell A method of assessing solid state reactivity illustrated by thermal decomposition experiments on sodium bicarbonate Thermochim. Acta 255 1995 255 272
11. L.K. Hudson Alumina Production 1982 The Aluminum Company of America USA 6
12. J.A. Kent Eleventh ed. Kent & Riegel's Handbook of Industrial Chemistry and Biotechnology vol. 1 2007 Springer New York
13. 17 space group Spectrochim. Acta 36A 1980 653 658
14. O. Levenspiel Chemical Reaction Engineering Third ed. 1978 Wiley India Pvt. Ltd. New Delhi
15. L.A. Mahoney, B.M. Rapko, and P.P. Schonewill Modeling the sodium recovery resulting from using concentrated caustic for boehmite dissolution Ind. Eng. Chem. Res. 50 2011 11570 11575
16. S. Music, D. Dragcevic, and S. Popovic Hydrothermal crystallization of boehmite freshly precipitated aluminium hydroxide Mater. Lett. 40 1999 269 274 (Pubitemid 32080229)
17. A. Packter Studies on recrystallised aluminum mono-hydroxide precipitates - kinetics of dissolution by sodium hydroxide solutions Colloid Polym. Sci. 254 1976 1024 1029
18. D. Panias, P. Asimidis, and I. Paspaliaris Solubility of boehmite in concentrated sodium hydroxide solutions: model development and assessment Hydrometallurgy 59 2001 15 29 (Pubitemid 32022539)
19. F. Pawlek, M.J. Kheiri, and R. Kammel The leaching behaviour of bauxite during mechano-chemical treatment E.R. Cutshall, Light Metals 1992 The Minerals, Metals & Materials Society Warrendale, US 91 95
20. R.A. Peterson, G.J. Lumetta, B.M. Rapko, and A.P. Poloski Modeling of boehmite leaching from actual Hanford high-level waste samples Sep. Sci. Technol. 42 2007 1719 1730 (Pubitemid 47150139)
21. H.S. Ray The use of reduced time plots in preliminary identification of reaction mechanisms Trans. Ind. Inst. Met. 36 1 1983 11 19
22. H.S. Ray Kinetics of Metallurgical Reactions 1992 Oxford and IBH Publishing Co. Pvt. Ltd New Delhi
23. T. Rosenqvist Principles of Extractive Metallurgy 1974 McGraw-Hill New York
24. R.L. Russell, and R.A. Peterson Boehmite dissolution model based on simulant data Ind. Eng. Chem. Res. 49 2010 4542 4545
25. A.S. Russell, J.D. Edwards, and C.S. Taylor Solubility and density of hydrated aluminas in NaOH solutions J. Met. 1955 1123 1128 (October)
26. R.F. Scotford, and J.R. Glastonbury Effect of temperature on the rates of dissolution of gibbsite and boehmite Can. J. Chem. Eng. 49 1971 611 616
27. R.F. Scotford, and J.R. Glastonbury The effects of concentration on the rates of dissolution of gibbsite and boehmite Can. J. Chem. Eng. 50 1972 754 758
28. J.H. Sharp, G.W. Brindley, and B.N. Narahari Achar Numerical data for some commonly used solid state reaction equations J. Am. Ceram. Soc. 49 7 1966 379 382
29. E. Taskin, K. Yidiz, and A. Alp Direct alkaline leaching of mechanically activated diasporic bauxite Miner. Metall. Process. 26 4 2009 222 225
30. D. Tromans, and J.A. Meech Enhanced dissolution of minerals: stored energy, amorphism and mechanical activation Miner. Eng. 14 11 2001 1359 1377 (Pubitemid 33120316)
31. A.I. Vogel Vogel's Text book of chemical analysis 5th ed. 1989 Longman Scientific and Technical Essex CM 20 2JE, England 588
32. S.L. Wang, C.T. Johnston, D.L. Bish, J.L. White, and S.L. Hem Water adsorption and surface area measurement of poorly crystalline boehmite J. Colloid Interface Sci. 260 2003 26 35 (Pubitemid 36398184)
33. K. Wefers, and C. Misra Oxides and Hydroxides of Aluminum Revised Alcoa Technical Paper 19 1987 Aluminum Company of America Pennsylvania, US
34. R. Woods, D. Fornasiero, and J. Ralston Electrochemistry of the boehmite-water interface Colloids Surf. 51 1990 389 403