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Improvement of promoters on the Fischer–Tropsch activity of mechanically mixed Fe catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
52831 46890 2007 4 PDF Available
Title
Improvement of promoters on the Fischer–Tropsch activity of mechanically mixed Fe catalysts
Abstract

The precipitated Fe2O3 was promoted with K, Cu, Zn and Al by impregnation and mechanical mixing. Their activity for Fischer–Tropsch (FT) synthesis was tested in fixed bed reactor under the conditions of 503 K and 1.6 MPa syngas (H2/CO = 2). The Fe catalysts co-promoted by K, Cu, Zn and Al showed increasing CO conversion with time on stream. At present, the improvement is ascribed to the increased resistance to water oxidation on active sites and the further formation of active sites during FT synthesis with the addition of K, Cu, Zn and Al to Fe catalysts. The carbon deposition is not responsible for the variety of catalytic activity in this study.

Keywords
Fischer–Tropsch synthesis; Fe catalysts; Mechanical mixing; K–Cu–Zn–Al assembly; Stability
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Improvement of promoters on the Fischer–Tropsch activity of mechanically mixed Fe catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 8, Issue 3, March 2007, Pages 275–278
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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