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Catalysis Letters

, Volume 25, Issue 3–4, pp 351–359 | Cite as

Maximum and time stable aromatic yield in the reforming of alkylcyclopentanes over Pt/β zeolites

  • Panagiotis G. Smirniotis
  • Eli Ruckenstein
Article

Abstract

The reforming of alkylcyclopentanes is performed at 100 psig over various dealuminated zeoliteβ catalysts supporting various amounts of Pt. As a result of the proper balance between the Brønsted acidity and the metal loading, a maximum aromatic yield was found for a dealuminated catalyst with a SiO2/Al2O3 molar ratio of 130 and 0.5 wt% Pt. The activity of this catalyst remained unchanged with time on stream, and the amount of coke deposited on the catalyst was very low. The aromatic selectivity increased slightly in the initial few hours and then reached a constant value. It appears that the aromatic selectivity is enhanced by the deposition of a small amount of coke. The balancing of the acidic and metallic functions of Pt/β zeolite via dealumination and Pt loading provides a useful reforming catalyst.

Keywords

reforming β zeolite dealumination balancing of the metallic and acidic functions alkylcyclopentanes coke 

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Copyright information

© J.C. Baltzer AG, Science Publishers 1994

Authors and Affiliations

  • Panagiotis G. Smirniotis
    • 1
  • Eli Ruckenstein
    • 1
  1. 1.Department of Chemical EngineeringState University of New York at BuffaloBuffaloUSA

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