Hostname: page-component-77c89778f8-vsgnj Total loading time: 0 Render date: 2024-07-19T09:10:36.081Z Has data issue: false hasContentIssue false

Dispersed Complex Phosphates as Tailored Acid Catalysts: Synthesis and Properties

Published online by Cambridge University Press:  10 February 2011

Vladislav A. Sadykov
Affiliation:
Boreskov Institute of Catalysis SD RAS, Novosibirsk, Russia, 630090, sadykov@catalysis.nsk.su
D. I. Kochubei
Affiliation:
Boreskov Institute of Catalysis SD RAS, Novosibirsk, Russia, 630090, sadykov@catalysis.nsk.su
S. P. Degtyarev
Affiliation:
Boreskov Institute of Catalysis SD RAS, Novosibirsk, Russia, 630090, sadykov@catalysis.nsk.su
E. A. Paukshtis
Affiliation:
Boreskov Institute of Catalysis SD RAS, Novosibirsk, Russia, 630090, sadykov@catalysis.nsk.su
E. B. Burgina
Affiliation:
Boreskov Institute of Catalysis SD RAS, Novosibirsk, Russia, 630090, sadykov@catalysis.nsk.su
S. N. Pavlova
Affiliation:
Boreskov Institute of Catalysis SD RAS, Novosibirsk, Russia, 630090, sadykov@catalysis.nsk.su
R. I. Maximovskaya
Affiliation:
Boreskov Institute of Catalysis SD RAS, Novosibirsk, Russia, 630090, sadykov@catalysis.nsk.su
G. S. Litvak
Affiliation:
Boreskov Institute of Catalysis SD RAS, Novosibirsk, Russia, 630090, sadykov@catalysis.nsk.su
V. I. Zaikovskii
Affiliation:
Boreskov Institute of Catalysis SD RAS, Novosibirsk, Russia, 630090, sadykov@catalysis.nsk.su
S. V. Tsybulya
Affiliation:
Boreskov Institute of Catalysis SD RAS, Novosibirsk, Russia, 630090, sadykov@catalysis.nsk.su
V. F. Tretyakov
Affiliation:
Topchiev Institute of Petrochemical Synthesis RAS, Moscow, Russia.
D. Agrawal
Affiliation:
Materials Research Lab, University Park, PA.
R. Roy
Affiliation:
Materials Research Lab, University Park, PA.
Get access

Abstract

The relationship between the chemical composition, bulk real structure, surface properties and catalytic activity of dispersed complex framework zirconium phosphates with a NASICON-type structure is considered. For both crystalline and amorphous samples, a model of their bulk structure is suggested. The Lewis and Bröensted acidity was shown to vary broadly and be dependent upon the composition and preparation procedure, which is important for catalysts of hydro-carbons activation. Selective catalytic reduction of NOx by methane in excess oxygen appears to be one of the application areas for these systems.

Type
Research Article
Copyright
Copyright © Materials Research Society 1998

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

REFERENCES

1. Yamaguchi, T., Appl. Catal. 61, 1 (1990).Google Scholar
2. Alamo, J. and Roy, R., J. Mater. Sci. 21, 444 (1986).10.1007/BF01145507Google Scholar
3. Agaskar, P.A., Grasselli, R.K., Buttrey, D.J. and White, B. in 3- World Congress on Oxidation Catalysis edited by Grasselli, B.K., Oyama, S.T., Gaffney, A.M. and Lyons, J.E., Elsevier Science B.V., 1997, p. 219226.Google Scholar
4. Clover, J.F., Agrawal, D.K. and McKinstry, H.A., J. Mater. Sci. Lett 7, 422 (1988).Google Scholar
5. Kochubei, D.I., Pavlova, S.N., Novgorodov, B.N., Kryukova, G.N. and Sadykov, V.A., J. Catal. 162, 500 (1996).10.1006/jcat.1996.0211Google Scholar
6. Nakayama, H., Eguchi, T., Nakamura, N., Yamaguchi, Sh., Danjyo, M. and Tsuhako, M., J. Mater. Chem., 7, 1063 (1997).Google Scholar
7. Hernandez-Moreno, M.J., Vlibarri, M.A., Rendon, J.L. and Serna, S.J., Phys. Chem. Mineral. 12, 34 (1985).Google Scholar
8. Rocchiccioli-Deltchiff, C., Thouvenot, R. and Frank, R., Spectrochim. Acta 32A, 587 (1976).Google Scholar
9. Armor, J.N., Catal. Today 21, 147 (1995).Google Scholar
10. Nishizaka, Y. and Misono, M., Chem. Lett. 1295 (1993).Google Scholar
11. Aylor, A.W., Lobree, L.J., Reimer, J.A. and Bell, A.T., J. Catal. 170, 390 (1997).Google Scholar