Tailoring the pore size of zeolite Y as the support of diesel aromatic saturation catalyst

The molecular dimensions of typical aromatics and sulfur-containing compounds in diesel cuts were simulated. A pore configuration design was proposed for sulfur-tolerant metal catalyst. Modified zeolite Y with and without the presence of mesopores were used as a catalyst support. Pyrene and naphthal...

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Bibliographic Details
Published in:Journal of porous materials 2006-08, Vol.13 (3-4), p.365-371
Main Authors: Meng, Xiangchun, Wu, Yuxiu, Li, Yongdan
Format: Article
Language:English
Subjects:
Catalysts
Diesel
Diesel fuels
Hydrogenation
Porosity
Thiophenes
Tolerances
Zeolites
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Summary:The molecular dimensions of typical aromatics and sulfur-containing compounds in diesel cuts were simulated. A pore configuration design was proposed for sulfur-tolerant metal catalyst. Modified zeolite Y with and without the presence of mesopores were used as a catalyst support. Pyrene and naphthalene were used as the model compounds for hydrogenation. Sulfur tolerance of the catalyst was investigated with naphthalene hydrogenation in the presence of thiophene. It was demonstrated that the generation of mesopores in zeolite Y can enhance the activity of pyrene hydrogenation, but lower the tolerance to thiophene.
ISSN:1380-2224
1573-4854
DOI:10.1007/s10934-006-8032-3