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Catalytic activity of synthetic saponite clays: effects of tetrahedral and octahedral composition

Vogels, R.J.M.J., Kloprogge, J. Theo, & Geus, John W. (2005) Catalytic activity of synthetic saponite clays: effects of tetrahedral and octahedral composition. Journal of Catalysis, 231(2), pp. 443-452.

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Abstract

This paper describes the catalytic characteristics of synthetic saponites with well-known chemical composition, thermal stability and acidity in three catalytic reactions: 1) catalytic cracking of n-dodecane, 2) hydro-isomerization of n-heptane and 3) Friedel-Crafts alkylation of benzene. Saponites with Mg in the octahedral position was by far the best catalyst for the catalytic cracking of n-dodecane, which can be explained by the higher surface area of these saponites compared to saponites with other compositions. All saponites performed better in the hydro-isomerization reaction of n-heptane and Friedel-Crafts alkylation compared to commercially available catalysts such as HZSM-5 and ASA. The shape selectivity in the Friedel-Crafts alkylation of benzene towards p- and o-DIOPB was remarkably high for the synthetic saponites

Impact and interest:

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14 citations in Web of Science®

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ID Code: 1277
Item Type: Journal Article
Keywords: clay, saponite, catalytic cracking, Friedel, Crafts alkylation, hydro, isomerization, selectivity
DOI: 10.1016/j.jcat.2005.02.004
ISSN: 0021-9517
Subjects: Australian and New Zealand Standard Research Classification > CHEMICAL SCIENCE (030000) > INORGANIC CHEMISTRY (030200)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Copyright Owner: Copyright 2005 Elsevier
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 18 Oct 2005
Last Modified: 09 Jun 2010 22:24

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