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Hydrogen production by partial oxidation of ethanol/gasoline blends over Rh/Al2O3

Paper ID Volume ID Publish Year Pages File Format Full-Text
55312 47047 2012 11 PDF Available
Title
Hydrogen production by partial oxidation of ethanol/gasoline blends over Rh/Al2O3
Abstract

The catalytic partial oxidation (CPOX) of ethanol-blended fuels is studied over rhodium/alumina coated monoliths with ethanol/iso-octane mixtures as model systems. Blends containing 5–85 vol.% ethanol are investigated, as well as the pure substances. All mixtures show a hydrogen yield of over 80% in millisecond contact times, with the highest yield for a blend with 10 vol.% ethanol. For a high ethanol concentration in the blend, generally a high by-product formation is observed already at fuel lean conditions. The product yields cannot be linearly interpolated from the yields of the pure substances. In addition, the commercial fuels 95 RON gasoline and E85 are studied, revealing similar product yields in CPOX of the commercial fuels and the corresponding ethanol/iso-octane blends. Thus, two-component mixtures can be proposed as model system for the complex compositions of commercial fuel.

Graphical abstractFigure optionsDownload full-size imageDownload high-quality image (135 K)Download as PowerPoint slideHighlights► Catalytic partial oxidation of ethanol blended gasoline fuels/surrogates studied over rhodium/alumina. ► Blends (5–85 vol.% ethanol), pure substance, and commercial fuels compared. ► Highest yield for a blend with 10 vol.% ethanol. ► Product yields cannot be linearly interpolated from the yields of the pure substances. ► Ethanol/iso-octane mixtures proposed as model system.

Keywords
Fuel reforming; High-temperature catalysis; Ethanol blends; Gasoline; Hydrogen
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Hydrogen production by partial oxidation of ethanol/gasoline blends over Rh/Al2O3
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 197, Issue 1, 15 December 2012, Pages 90–100
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