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Deactivation of Pt/F-KL zeolite-type naphtha reforming catalysts: In-situ IR and on-line mass spectrometry studies of fluorine loss

Paper ID Volume ID Publish Year Pages File Format Full-Text
41443 45889 2011 5 PDF Available
Title
Deactivation of Pt/F-KL zeolite-type naphtha reforming catalysts: In-situ IR and on-line mass spectrometry studies of fluorine loss
Abstract

This paper presents the employment of a method, which combines in-situ IR spectrometry, on-line mass spectrometry, comparative (moisture-free vs moisture-containing) experiments, and isotope exchange, to reveal the deactivation mechanism of fluorine-promoted Pt/KL zeolite-type naphtha reforming catalysts. Fluorine leaves the catalyst in the forms of COF2 and HF as hydrocarbon feedstock and trace amount of H2O coexist.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (248 K)Download as PowerPoint slideHighlights► Deactivation mechanism of fluorine-promoted Pt/KL reforming catalysts was revealed. ► In-situ IR, on-line mass spectrometry, and isotope exchange were employed. ► Comparative (moisture-free vs moisture-containing) experiments were conducted. ► Fluorine leaves the catalyst in the forms of COF2 and HF as hexane and H2O coexist.

Keywords
Catalyst deactivation; Fluorine loss; Zeolite L; Infrared spectrometry; Mass spectrometry; Naphtha reforming
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Deactivation of Pt/F-KL zeolite-type naphtha reforming catalysts: In-situ IR and on-line mass spectrometry studies of fluorine loss
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 399, Issues 1–2, 31 May 2011, Pages 179–183
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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Any Questions? feel free to contact us