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Effect Of The Solvent Used During Preparation On The Properties Of Pt/Al 2 O 3 And Pt−Sn/Al 2 O 3 Catalysts

Carvalho, Luciene S. et al · American Chemical Society · 2001

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Author / responsible party
Carvalho, Luciene S. et al
Publisher
American Chemical Society
Year
2001
ISSN
5557-5563
ISSN
5557-5563
Language
English

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The influence of the solvent (water, acetone, and ethanol) used during alumina impregnation on the properties of Pt/Al2O3 and Pt−Sn/Al2O3 catalysts was studied. Catalysts were characterized by H2 chemisorption, TEM, temperature-programmed reduction, ammonia temperature-programmed desorption, UV−vis spectroscopy and cyclohexane dehydrogenation, n-pentane isomerization, and n-octane reforming reactions. It was found that the catalysts prepared in ethanol has the highest metallic dispersion. The results are explained considering the Pt−Sn complex stability in the different solvents used during the preparation. Pt/Al2O3 (acetone) is the most active catalyst for isomerization while the activity of Pt−Sn/Al2O3 catalysts decreases in the order ethanol > acetone > water. The selectivity to aromatic hydrocarbons is related to isomerization activity, but there also exits a competition between hydrocracking and dehydrocyclization. Fil: Carvalho, Luciene S.. Universidade Federal da Bahia; Brasil Fil: Reyes, Patricio. Universidad de Concepción; Chile

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APA 7

Carvalho, L. S. E. A. (2001). Effect Of The Solvent Used During Preparation On The Properties Of Pt/Al 2 O 3 And Pt−Sn/Al 2 O 3 Catalysts. http://hdl.handle.net/11336/40982

MLA

Carvalho, Luciene S. et al. "Effect Of The Solvent Used During Preparation On The Properties Of Pt/Al 2 O 3 And Pt−Sn/Al 2 O 3 Catalysts." 2001. http://hdl.handle.net/11336/40982.

Chicago

Carvalho, Luciene S. et al. 2001. "Effect Of The Solvent Used During Preparation On The Properties Of Pt/Al 2 O 3 And Pt−Sn/Al 2 O 3 Catalysts.". http://hdl.handle.net/11336/40982.

Harvard

Carvalho, L. S. E. A. 2001, Effect Of The Solvent Used During Preparation On The Properties Of Pt/Al 2 O 3 And Pt−Sn/Al 2 O 3 Catalysts, American Chemical Society, available at: http://hdl.handle.net/11336/40982 [Accessed 7 Aug. 2026].

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Title
Effect Of The Solvent Used During Preparation On The Properties Of Pt/Al 2 O 3 And Pt−Sn/Al 2 O 3 Catalysts
Author / contributors
Carvalho, Luciene S. et al
Publisher
American Chemical Society
Publication year
2001
ISSN
5557-5563
ISSN
5557-5563
Language
English

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https://purl.org/becyt/ford/2.7; https://purl.org/becyt/ford/2
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