Deactivation of iron oxide-iron phosphate catalysts in isopropanol dehydration

Pei Jan Wang, Yu Wen Chen

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

The progressive deactivation of various iron oxide-iron phosphate catalysts in the isopropanol dehydration reaction was studied at atmospheric pressure and 220-280°C. The deactivation of the catalysts is mainly due to coke, rather than the water present. The decay of activity with time on-stream is satisfactorily expressed by a very simple exponential equation, the parameters of which depend on the amount of acid and on temperature. Coke can be easily burnt off, restoring the behaviour of the fresh catalyst. Coke formation follows the Voohries equation.

Original languageEnglish
Pages (from-to)181-192
Number of pages12
JournalApplied Catalysis
Volume55
Issue number1
DOIs
StatePublished - 1989

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