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Aluminum oxide has been prepared by thermal dissociation of aluminum hydroxide obtained by precipitation, with formalin, from sodium aluminate with Na2O/Al2O3 molar ratio, M, between 1.5 and 2.0. The effect of aluminate molar ratio on the pore volume and specific surface area of the aluminum oxide was investigated. It was found that pore volume and specific surface area increased with decreasing Na2O/Al2O3 molar ratio. Aluminum oxide of pore volume 0.60–0.63 cm3 g-1 and specific sur-face area 300–320 m2 g-1 was obtained from sodium aluminate with M = 1.5. It was found that the concentration of the sodium aluminate mother liquor affects the yield of aluminum oxide and the pore volume but does not significantly affect the specific surface area.
Słowa kluczowe
Czasopismo
Rocznik
Tom
Strony
192--203
Opis fizyczny
Bibliogr. 24 poz., rys., tab.
Twórcy
autor
autor
autor
autor
- Yerevan State University, 1, Alek Manoukian Str., 375025 Yerevan, Republic of Armenia
Bibliografia
- [1] The United States Pharmacopeia, 23. The National Formulary, 18 Twinbrook Parkway, Rockwill, 1995
- [2] M.R. Buchmeister, J. Chromatogr. A, 918, 233 (2001)
- [3] N. Idrissi-Kandri, A. Ayral, M. Klotz, et al., Mater. Lett., 50, 57 (2001)
- [4] B.G. Linsen (Ed.) Physical and Chemical Aspects of Adsorbent and Catalysts, Academic Press, London, 1970, p. 605
- [5] O. Mikes (Ed.) Laboratory Handbook of Chromatografic and Allied Methods, John Wiley and Sons, Chichester, 1980, p. 226
- [6] V.A. Dzisko, A.S. Ivanova, and G.L. Vishnyakova, Kinetika i Kataliz, 11, 483 (1970)
- [7] S. Music, D. Dragcevic, S. Popovic, and N. Vdovic, Mater. Chem. Phys., 59, 12 (1999)
- [8] V.K. Singh and R.K. Shina, Mater. Lett., 18, 201 (1994)
- [9] N. Idrissi-Kandri, A.Ayral, Ch. Guizard, et al., Mater. Lett., 400, 52 (1999)
- [10] G.L. Vishnyakova, V.A. Dzisko, L.M. Kefeli, et al., Kinetika i Kataliz, 11, 1541 (1970)
- [11] DDR Patent 273825. International Classification Index (ICI) CO 1F 7/30. 1989
- [12] DDR Patent 273826 ICI CO 1F 7/30. 1989
- [13] GFR Patent 3.739.905. ICI CO 1F 7/14. 1989
- [14] GFR Patent 2.591.581. ICI CO 1F 7/14, 3.501.350. 1986
- [15] GFR Patent 3.545.284. ICI CO 1F 7/06. 1987
- [16] DDR Patent 268401. ICI CO LF 7/34. 1989
- [17] J. Counter, A. Gerson, and J. Ralston, Colloids Surf. A, 126, 103 (1997)
- [18] J. Counter, A. Gerson, and D.J. Gookson, J. Cryst. Growth, 160, 346 (1996)
- [19] J.A. Counter, J. Addai-Mensah, and J. Ralston, Colloids Surf. A, 154, 389 (1999)
- [20] H. Li, J. Addai-Mensah, J.C. Tomas, and A.R. Gerson, Colloids Surf. A, 223, 83 (2003)
- [21] H.J. Shin, S.O. Lee, S.J. Kim, et al., Miner. Eng., 17, 387 (2004)
- [22] D.S. Rossiter, P.D. Fawell, D. Ilievski, and G.M. Parkinson, J. Cryst. Growth, 191, 525 (1998)
- [23] Zh.B. Galimov, G.G. Dubinin, and R.N. Masagurov. Methods of analysis of petrol-processing catalysts. Khimia, Moscow, 1973, p. 191
- [24] M. Hanson, K.K. Unger, C.T. Mant, and R.S. Hodges, J. Chromatogr. A, 599, 65 (1992)
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BAT3-0037-0020