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Synthesis of Fe3O4-nanocatalysts with different morphologies and its promotion on shifting C5+ hydrocarbons for Fischer–Tropsch synthesis

Paper ID Volume ID Publish Year Pages File Format Full-Text
49549 46751 2015 5 PDF Available
Title
Synthesis of Fe3O4-nanocatalysts with different morphologies and its promotion on shifting C5+ hydrocarbons for Fischer–Tropsch synthesis
Abstract

•Fe3O4 nanosphere and nanopolyhedron are prepared by a simple solvothermal method.•Fe3O4 nanocatalysts show excellent catalytic performances for FT synthesis.•Fe3O4 nanosphere catalyst is more active than nanopolyhedrons.•Fe3O4 nanosphere catalyst displays higher C5+ selectivity than nanopolyhedrons.

The shape-defined Fe3O4 nanocatalysts such as spheres and polyhedrons prepared by a simple solvothermal method without calcination were applied in Fischer–Tropsch synthesis (FTS), which showed excellent catalytic activity and C5+ selectivity compared to the traditional Fe catalyst. Especially, the Fe3O4 nanocatalyst with nanospheres (FNS) displayed higher catalytic activity and C5+ selectivity (> 64%) than the Fe3O4 nanopolyhedrons (FNP). It was found that FNS was more favorable to the reduction and dispersion of iron species as well as formation of surface carbonaceous species (especially for χ-Fe5C2) compared to FNP, which provided more active sites for FTS and facilitated the product distribution shifting towards heavy hydrocarbons.

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Keywords
Fe3O4 nanocatalyst; Morphology-defined nanoparticle; Fischer–Tropsch synthesis
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Synthesis of Fe3O4-nanocatalysts with different morphologies and its promotion on shifting C5+ hydrocarbons for Fischer–Tropsch synthesis
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 59, 10 January 2015, Pages 211–215
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
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Any Questions? feel free to contact us