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RESEARCH PRODUCT
ChemInform Abstract: Catalytic Activity of Large-Pore High Si/Al Zeolites: Cracking of Heptane on H-Beta and Dealuminated HY Zeolites
Vicente FornésJ. B. MontonA.v. OrchillesA. Cormasubject
Steric effectsCrackingHeptanechemistry.chemical_compoundAtmospheric pressurechemistryInorganic chemistryGeneral MedicineZeoliteSelectivityHydrothermal circulationCatalysisdescription
Abstract The catalytic activity, selectivity, catalyst decay, thermal and hydrothermal stability, and acidity of H-Beta and HY zeolites with Si Al ratios of 7.5 and 10, respectively, have been studied during cracking of n-heptane at 450 °C and atmospheric pressure. It has been found that the H-Beta zeolite is more active and decays more slowly than HY. H-Beta presents a higher steric hindrance for dibranched molecules and therefore its open structure should be smaller than that of HY. A lower hydrogen transfer activity and hydrothermal stability is observed for H-Beta in comparison with the corresponding HY.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 1988-02-02 | ChemInform |