Process for the pretreatment of light olefin fractions

The invention relates to a process for the pretreatment of a light olefin fraction, or of a mixture of such fractions, for the purpose of selectively removing the isobutene and butadiene present. In accordance with the invention, the olefin fraction is contacted with boron trifluoride in the gas pha...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MARTY, CLAUDE, ENGELHARD, PHILIPPE
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The invention relates to a process for the pretreatment of a light olefin fraction, or of a mixture of such fractions, for the purpose of selectively removing the isobutene and butadiene present. In accordance with the invention, the olefin fraction is contacted with boron trifluoride in the gas phase, under such conditions and for such a length of time that the isobutene and the butadiene will polymerize selectively, and the boron trifluoride and the isobutene and butadiene polymers obtained are then conventionally separated from the effluent.