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Alkylation of isobutene with 2-butene using composite ionic liquid catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
43002 45950 2008 5 PDF Available
Title
Alkylation of isobutene with 2-butene using composite ionic liquid catalysts
Abstract

A composite ionic liquid was used as an acid catalyst for the liquid phase alkylation of isobutane and 2-butene. The main product obtained was trimethylpentane (>85 wt.%) and the research octane numbers of the alkylates was 98–101. In the ionic liquid sample, a composite anion [AlCl4CuCl]− was detected by means of ESI-MS. This new species was also confirmed by 27Al NMR and FT-IR characterizations. The effects of anion composition on the product distribution have been investigated. The composite anion plays important roles in improving alkylate quality.

Graphical abstractA composite ionic liquid was used as an acid catalyst for the alkylation of isobutane and 2-butene. The research octane number of alkylate obtained was 98–101. The effects of anion composition on the product distribution have been investigated. The composite anion ([AlCl4CuCl]−) plays important roles in improving alkylate quality.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Alkylation; Isobutane; Composite ionic liquid; Chloroaluminate
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Alkylation of isobutene with 2-butene using composite ionic liquid catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 346, Issues 1–2, 31 August 2008, Pages 189–193
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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