Vapor phase nitration of benzene over solid acid catalysts (1): Nitration with nitrogen dioxide (NO2)

Vapor phase nitration of benzene over solid acid catalysts (1): Nitration with nitrogen dioxide... Vapor phase nitration of benzene over acidic catalysts is expected to be a clean process with no sulfuric acid waste. We investigated this process over acidic catalysts utilizing nitrogen dioxide (NO2) as a nitrating agent, and found that several mixed metal oxides, such as silica-alumina, zinc oxide-titania, and tungsten oxide-molybdenum oxide, exhibited a fairly good activity. Among them, WO3−MoO3 is the most active; however, only this catalyst deviated from the linear relationship between the activity and the acidity. In order to explain this discrepancy, several factors such as acid amount, acid strength, and BET surface area, are examined in detail. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Vapor phase nitration of benzene over solid acid catalysts (1): Nitration with nitrogen dioxide (NO2)

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Publisher
Springer Netherlands
Copyright
Copyright © 1998 by Springer
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1163/156856798X00519
Publisher site
See Article on Publisher Site

Abstract

Vapor phase nitration of benzene over acidic catalysts is expected to be a clean process with no sulfuric acid waste. We investigated this process over acidic catalysts utilizing nitrogen dioxide (NO2) as a nitrating agent, and found that several mixed metal oxides, such as silica-alumina, zinc oxide-titania, and tungsten oxide-molybdenum oxide, exhibited a fairly good activity. Among them, WO3−MoO3 is the most active; however, only this catalyst deviated from the linear relationship between the activity and the acidity. In order to explain this discrepancy, several factors such as acid amount, acid strength, and BET surface area, are examined in detail.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Apr 14, 2009

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