Acid catalyzed formation of ethyl tertiary butyl ether (ETBE)

Several acid catalysts have been used to study the formation of ethyl tertiary butyl ether (ETBE). A conventional commercial catalyst for making methyl tertiary butyl ether Amberlyst-15, appears to be a good candidate for preparing ETBE, and is a little better than Amberlyst-35. A fluorocarbonsulfon...

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Bibliographic Details
Published in:Applied catalysis 1989-09, Vol.53 (2), p.263-271
Main Authors: Tau, Li-Min, Davis, Burtron H.
Format: Article
Language:English
Subjects:
Applied sciences
Crude oil, natural gas and petroleum products
Energy
Exact sciences and technology
Fuels
Petroleum products, gas and fuels. Motor fuels, lubricants and asphalts
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Summary:Several acid catalysts have been used to study the formation of ethyl tertiary butyl ether (ETBE). A conventional commercial catalyst for making methyl tertiary butyl ether Amberlyst-15, appears to be a good candidate for preparing ETBE, and is a little better than Amberlyst-35. A fluorocarbonsulfonic acid resin catalyst has almost the same activity as the Amberlyst catalysts. Compared to these Amberlyst catalysts under our reaction conditions, the fluorocarbonsulfonic acid catalyst was thermally stable, was less sensitive to the ethanol-to-isobutylene ratio and had a better selectivity for ETBE. Therefore, it may be a better catalyst for the ETBE production than Amberlyst. The conversion for a ZSM-5 catalyst was relatively low compared to these other three catalysts.
ISSN:0166-9834
DOI:10.1016/S0166-9834(00)80025-1