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Catalytic purification of hydrogen streams by PROX on Cu supported on an organized mesoporous ceria-modified alumina

Paper ID Volume ID Publish Year Pages File Format Full-Text
48964 46533 2007 8 PDF Available
Title
Catalytic purification of hydrogen streams by PROX on Cu supported on an organized mesoporous ceria-modified alumina
Abstract

In view of the stringent CO intolerance of the proton-exchange membrane fuel cells (PEMFCs), it is essential to eliminate even trace amounts of carbon monoxide from the reformate streams. The preferential oxidation (PROX) is considered to be a promising method for CO cleaning up. Catalytic systems, based on copper supported on ceria-modified organized mesoporous alumina, were investigated for the PROX of CO in hydrogen-rich gas stream. The catalysts showed an interesting activity in the CO-PROX. The sample with the best catalytic performance was characterized by N2 adsorption–desorption, X-ray photoelectron spectroscopy (XPS), X-ray powder diffraction (XRPD), high-resolution transmission electron microscopy (HRTEM), temperature-programmed reduction by H2 (H2-TPR), and successive re-oxidation (TPO).

Keywords
Preferential CO oxidation; Hydrogen; PEM fuel cell; Cerium oxide; Copper; Organized mesoporous alumina
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Catalytic purification of hydrogen streams by PROX on Cu supported on an organized mesoporous ceria-modified alumina
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 72, Issues 1–2, 8 March 2007, Pages 149–156
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