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Triflic acid catalyzed isobutane alkylation with trifluoroethanol as a promoter

Paper ID Volume ID Publish Year Pages File Format Full-Text
50086 46779 2012 4 PDF Available
Title
Triflic acid catalyzed isobutane alkylation with trifluoroethanol as a promoter
Abstract

The alkylation of isobutane and butene (C4 cut from industrial alkylation feed) catalyzed by triflic acid (TFSA)/trifluoroethanol (TFEA), has been systematically investigated in a batch autoclave. High selectivity of trimethylpentane (TMP, 80.1%) and high research octane number (RON, 97.2) were achieved with 30 vol.% TFEA in TFSA/TFEA catalytic system at 8 °C. Moreover, the TFSA/TFEA system can be recycled several times without significant loss of activity.

Graphical abstractAlkylation of isobutane and butene was catalyzed by triflic acid (TFSA) with trifluoroethanol (TFEA) as a promoter. High-quality alkylate with up to 80.1% desired TMP and 97.2 RON was achieved with TFSA/TFEA catalyst, which is much better than with TFSA (> 99.9 wt.% in purity, alkylate with 19.1% TMP and 86.1 RON) or H2SO4 (95–98 wt.% in purity, alkylate with 43.4% TMP and 90. 4 RON).Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Alkylation; Isobutane; Butene; Triflic acid; Trifluoroethanol
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Triflic acid catalyzed isobutane alkylation with trifluoroethanol as a promoter
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 18, 10 February 2012, Pages 85–88
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
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Full-text PDF Download
Online Support
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