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THE EFFECTS OF CATALYST MODIFICATION ON THE CATALYTIC ACTIVITY IN THE DEHYDROCYCLIZATION OF PARAFFINS OVER Pt/r-Al2O3
Korean Journal of Chemical Engineering, July 1994, 11(3), 185-189(5), 10.1007/BF02697464
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Abstract
In the dehydrocyclization of n-octane over Pt-Sn/r-Al2O3, the bimetallic Pt-Sn catalyst prepared by simultaneous impregnation as a complex showed higher activity than the catalyst prepared by successive impregnation with SnCl2 and H2PtCl6, and the suspended Pt-Sn catalyst showed more enhanced catalytic behaviors in C8-aromatics formation than the normal one. The geometric factor was an important parameter for the positive effect on the catalytic activity in the n-octane conversion, while the electronic factor, the electron density of the metal, was that in the aromatization of n-hexane.
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Bacaud R, Bussiere P, J. Catal., 69, 399 (1981)
Lieske H, Volter J, J. Catal., 90, 96 (1984)
Kuznetsov VI, Belyi AS, Yurchenko EN, Smolikov MD, Protasova MT, Zatolokina EV, Duplyakin VK, J. Catal., 99, 159 (1986)
Sachtler WMH, Jongepier R, J. Catal., 1, 665 (1965)
Christmann K, Ertl G, Surf. Sci., 33, 254 (1972)
Sinfelt JH, Carter JL, Yates DJC, J. Catal., 24, 283 (1972)
Maestas S, Flanagan JB, J. Phys. Chem., 77, 850 (1973)
Fisher TE, Phys. Today, 5, 23 (1974)
Sinfelt JH, "Catalysis," Vol. 1, Ed., Anderson, J.R. and Boudart, M., Ch. 5, Spring-Verlag, Berlin (1981)
Davis BH, Westfall GA, Watkins J, Pezzanite JJJ, J. Catal., 42, 247 (1976)
burch R, Garla LC, J. Catal., 71, 360 (1981)
Lee SH, Lee HI, J. Korean Ind. Eng. Chem., 4(3), 569 (1993)
Shepard FE, Rooney JJ, J. Catal., 33, 129 (1964)
Snatacesarla E, Gelosa D, Ind. Eng. Chem. Prod. Res. Dev., 17, 68 (1978)
Dautzenberg FM, Helle JN, Biloen P, Sachtler WMH, J. Catal., 63, 119 (1980)
Clarke JKA, Chem. Rev., 75, 391 (1975)
Verbeek H, Sachtler WMH, J. Catal., 42, 257 (1976)
Dautzenberg FM, Platteeum JC, J. Catal., 19, 41 (1970)
Volter J, Lietz G, Hermann M, J. Catal., 68, 42 (1981)
Lietz G, Thoang HS, Volter J, React. Kinet. Catal. Lett., 21, 429 (1982)
Campero A, Ruiz M, Gomez R, React. Kinet. Catal. Lett., 5, 177 (1976)
Davix BH, Venuto PB, J. Catal., 15, 363 (1969)
