Anomalous reduction in surface area during mechanical activation of boehmite synthesized by thermal decomposition of gibbsite

Powder Technology

Volumn 208, Issue 1, 2011, Pages 128-136

  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 KANPUR   (India)

Author keywords

Amorphisation; Boehmite; Mechanical activation; Microstrain; Pore size distribution; Reactivity

Indexed keywords

AMORPHISATION; BOEHMITE; MECHANICAL ACTIVATION; MICRO-STRAIN; REACTIVITY;

ADSORPTION; ALKALINITY; AMORPHIZATION; CHEMICAL ANALYSIS; DIFFRACTION; DISSOLUTION; FOURIER TRANSFORMS; MILLING (MACHINING); PORE SIZE; PYROLYSIS; SCANNING ELECTRON MICROSCOPY; SIZE DETERMINATION; SIZE DISTRIBUTION; X RAY POWDER DIFFRACTION;

AGGLOMERATION;

ALKALI; ALUMINUM OXIDE;

ARTICLE; CONTROLLED STUDY; DECOMPOSITION; DEGRADATION KINETICS; DISSOLUTION; INFRARED SPECTROSCOPY; MINING; PARTICLE SIZE; POROSITY; REACTION TIME; REDUCTION KINETICS; SCANNING ELECTRON MICROSCOPY; STRUCTURE ANALYSIS; SURFACE PROPERTY; THERMAL EXPOSURE; THERMAL STIMULATION; X RAY POWDER DIFFRACTION;

EID: 79951670845     PISSN: 00325910     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.powtec.2010.12.010     Document Type: Article

References (34)

1. Lippens B.C., De Boer J.H. Study of phase transformation during calcinations of aluminium hydroxide by selected area electron diffraction. Acta Crystallogr. 1964, 17:1312-1321.
2. Wefers K., Misra C. Oxides and Hydroxides of Aluminum. Alcoa Technical Paper 19, Revised 1987, Aluminum Company of America, Pennsylvania.
3. Brühne S., Gottlieb S., Assmus W., Alig E., Schmidt M.U. Atomic structure analysis of nanocrystalline Boehmite AlO(OH). Cryst. Growth Des. 2008, 8(2):489-493.
4. Kotte J.J. Bayer Digestion and Predigestion Desilication Reactor Design. Light Metals 1981, 45-77. The Met. Soc. AIME, Warrendale. G.M. Bell (Ed.).
5. Kano J., Saeki S., Saito F., Tanjo M., Yamazaki S. Application of dry grinding to reduction in transformation temperature of aluminium hydroxides. Int. J. Miner. Process. 2000, 60:91-100.
6. 3. Thermochim. Acta 2000, 359:87-94.
7. 3 (corundum) induced by high energy ball milling. J. Mater. Sci. Lett. 1994, 13:519-520.
8. 2O. Thermochim. Acta 1995, 254:359-370.
9. Balaz P. Extractive Metallurgy of Activated Minerals 2000, Elsevier, Amsterdam.
10. Tkacova K. Mechanical Activation of Minerals 1989, Elsevier, Amsterdam.
11. Yong C.C., Wang J. Mechanical activation triggered gibbsite-boehmite transition and activation derived alumina powders. J. Am. Ceram. Soc. 2001, 84(6):1225-1230.
12. Brunauer S., Emmett P.H., Teller E. Adsorption of gases in multimolecular layers. J. Am. Chem. Soc. 1938, 60:309-319.
13. Sing K.S.W., Everett D.H., Haul R.A.W., Moscou L., Pierotti R.A., Rouquerol J., Siemieniewska T. Reporting physisorption data for gas/solid systems. Pure Appl. Chem. 1985, 57(4):603-619.
14. Barret E.P., Joyner L.G., Halenda P.P. The determination of pore volume and area distributions in porous substances. I. Computations from nitrogen isotherms. J. Am. Chem. Soc. 1951, 73:373-380.
15. Desgreniers S., Lagarec K. XRDA: a program for energy-dispersive X-ray diffraction analysis on a PC. Appl. Cryst. 1994, 27:432-434.
16. Williamson G.K., Hall W.H. X-ray line broadening from filed aluminium and wolfram. Acta Metall. 1953, 1:22-32.
17. Jiang H.G., Ruhle M., Lavernia E.J. On the applicability of X-ray diffraction line profile analysis in extracting grain size and microstrain in nanocrystalline materials. J. Mater. Res. 1999, 14(2):549-559.
18. J.C. Davis, Statistics and Data Analysis in Geology, John Wiley & Sons, New York, 1973.
19. Stacey M.H. Kinetics of decomposition of gibbsite and boehmite and the characterization of the porous products. Langmuir 1987, 3(5):681-686.
20. Juhasz Z., Opoczky L. Mechanical Activation of Minerals by Grinding: Pulverizing and Morphology of Particles 1990, Akademiai kiado, Budapest.
21. Opoczky L. Fine grinding and agglomeration of silicates. Powder Technol. 1977, 17:1-7.
22. Fu Z.Y., Wei S.L. Mechanochemical activation of calcium oxide powder. Powder Technol. 1996, 87:249-254.
23. Dellisanti F., Valdrè G., Mondonico M. Changes of the main physical and technological properties of talc due to mechanical strain. Appl. Clay Sci. 2009, 42:398-404.
24. Karagedov G.R., Lyakhov N.Z. Mechanochemical grinding of inorganic oxides. KONA 2003, 21:76-86.
25. Srikanth S., Sasikumar C., Kumar Rakesh Energetics and effects of mechanical activation of materials. Proc. European Metallurgical Conference (EMC2007), 11-14 June, 2007, Dusseldorf, Germany 2007, 2015-2030. GDMB Medienverlag, Clausthal-Zellerfeld, Germany.
26. 17 space group. Spectrochim. Acta 1980, 36A:653-658.
27. Wang S.L., Johnston C.T., Bish D.L., White J.L., Hem S.L. Water adsorption and surface area measurement of poorly crystalline boehmite. J. Colloid Interface Sci. 2003, 260:26-35.
28. Music S., Dragcevic D., Popovic S. Hydrothermal crystallization of boehmite freshly precipitated aluminium hydroxide. Mater. Lett. 1999, 40:269-274.
29. Lu Y., Lu W.C., Zhang L.M., Yue B.H., Shang X.F., Ni J.P. Synthesis, characterization and growth mechanism of core/shell AlOOH microspheres. Acta Phys. Chim. Sin. 2009, 25(7):1391-1396.
30. Noel Y., Demichelis R., Pascale F., Ugliengo P., Orlando R., Dovesi R. Ab initio quantum mechanical study of γ-AlOOH boehmite: structure and vibrational spectrum. Phys. Chem. Miner. 2009, 36:47-59.
31. McMillan P.F., Hofmeister A.M. Infrared and Raman spectroscopy. Reviews in Mineralogy 18 (Spectroscopic Methods in Mineralogy and Geology) 1988, 99-159. Mineralogical Soc. America. F.C. Hawthorne (Ed.).
32. Bokhimi X., Toledo-Antonio J.A., Guzman-Castillo M.L., Hernandez-Beltran F. Relationship between crystallite size and bond lengths in boehmite. J. Solid State Chem. 2001, 159:32-40.
33. Karger J., Freude D. Mass transfer in micro and mesoporous materials. Chem. Eng. Technol. 2002, 25(8):769-778.
34. Salmas C.E., Androutsopoulos G.P. A novel pore structure tortuosity concept based on nitrogen sorption hysteresis data. Ind. Eng. Chem. Res. 2001, 40:721-730.