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Enhancement of pyrolysis gasoline hydrogenation over Zn- and Mo-promoted Ni/γ-Al2O3 catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
50688 46809 2011 3 PDF Available
Title
Enhancement of pyrolysis gasoline hydrogenation over Zn- and Mo-promoted Ni/γ-Al2O3 catalysts
Abstract

Alumina-supported nickel catalysts modified by Zn and/or Mo were prepared and characterized using several techniques (XRF, BET, XRD, XPS, and TPR). The effect of Zn and Mo on catalytic hydrogenation activity was evaluated in hydrogenation of pyrolysis gasoline (PyGas) using styrene conversion for monitoring the activity trend in a fixed-bed reactor under the following conditions: temperature of 70–120 °C, H2:PyGas volume ratio of 200:1, pressure of 2.8 MPa, and volume space velocity of 3.0 h− 1. The promoted Ni-based catalysts exhibited excellent catalytic activity for the hydrogenation of PyGas. The styrene conversion doubled after the introduction of Zn and Mo.

Graphical AbstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch highlights► Promoters Zn and Mo enhance the interaction between NiO and alumina. ► Enhancement of the NiO-alumina interaction improves the nickel dispersion. ►Incorporation of Zn and Mo significantly enhances the Ni/γ-Al2O3 catalyst. ► Conversion of styrene doubles after the introduction of Zn and Mo.

Keywords
Pyrolysis gasoline; Styrene; Hydrogenation; Ni catalysts; Promoters
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Enhancement of pyrolysis gasoline hydrogenation over Zn- and Mo-promoted Ni/γ-Al2O3 catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 10, 15 May 2011, Pages 851–853
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
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us