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Catalytic cracking of decalin isomers over REHY-zeolites with different crystallite sizes by E.Falabella Sousa-Aguiar; Cláudio J.A. Mota; M.L.Murta Valle; M. Pinhel da Silva; D. Forte da Silva is a Chemistry article available to read on EtoBox.
What is Catalytic cracking of decalin isomers over REHY-zeolites with different crystallite sizes about?
## Cracking of a mixture of cisltrans-decalin was carried out over small crystallite rare-earth containing Y zeolites (REHY) . Results showed that, although the reactivity of cis-decalin is much higher than that of truns-decalin, no influence of crystallite size was detected, as an indication that differences in reactivity should be attributed to differences in the structure of the reacting molecules, and not to the characteristics of the zeolite. In fact, deuterium exchange between deuterated HY zeolite and decalin revealed that &-de&in is much more reactive than its truns-isomer. Z'runs-decalin, according to its structure minimized by molecular mechanic force field MM2, presents a more hindered tertiary C-H bond, therefore making protonation and the formation of adsorbed carbocations difficult.
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- Author
- E.Falabella Sousa-Aguiar; Cláudio J.A. Mota; M.L.Murta Valle; M. Pinhel da Silva; D. Forte da Silva
- Publisher
- Elsevier Science; Elsevier ; Elsevier BV (ISSN 1381-1169)
- Published
- 1996
- Language
- EN
- Field
- Chemistry (Physical Sciences)