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Catalytic conversion of syngas to mixed alcohols over Zn-Mn promoted Cu-Fe based catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
40909 45870 2012 11 PDF Available
Title
Catalytic conversion of syngas to mixed alcohols over Zn-Mn promoted Cu-Fe based catalyst
Abstract

Zn-Mn promoted Cu-Fe based catalyst was synthesized by the co-precipitation method. Mixed alcohols synthesis from syngas was studied in a half-inch tubular reactor system after the catalyst was reduced. Zn-Mn promoted Cu-Fe based catalyst was characterized by SEM-EDS, TEM, XRD, and XPS. The liquid phase products (alcohol phase and hydrocarbon phase) were analyzed by GC–MS and the gas phase products were analyzed by GC. The results showed that Zn-Mn promoted Cu-Fe based catalyst had high catalytic activity and high alcohol selectivity. The maximal CO conversion rate was 72%, and the yield of alcohol and hydrocarbons were also very high. Cu (1 1 1) was the active site for mixed alcohols synthesis, Fe2C (1 0 1) was the active site for olefin and paraffin synthesis. The reaction mechanism of mixed alcohols synthesis from syngas over Zn-Mn promoted Cu-Fe based catalyst was proposed. Zn-Mn promoted Cu-Fe based catalyst can be regarded as a potential candidate for catalytic conversion of biomass-derived syngas to mixed alcohols.

Graphical abstract.Figure optionsDownload full-size imageDownload high-quality image (150 K)Download as PowerPoint slideHighlights► Zn-Mn promoted Cu-Fe based catalyst had high catalytic activity and selectivity. ► The state of proposed catalyst was firstly identified to determine the active sites. ► Cu (1 1 1) was the active site for mixed alcohols synthesis. ► Fe2C (1 0 1) was the active site for olefin and paraffin synthesis. ► The reaction mechanism was proposed for mixed alcohols synthesis from this catalyst.

Keywords
Mixed alcohols synthesis; Syngas; Zn-Mn promoted Cu-Fe based catalyst; Co-precipitation
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Catalytic conversion of syngas to mixed alcohols over Zn-Mn promoted Cu-Fe based catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volumes 429–430, 2 July 2012, Pages 48–58
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