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FeMo-based catalysts for H2 production by NH3 decomposition

Paper ID Volume ID Publish Year Pages File Format Full-Text
46093 46429 2012 9 PDF Available
Title
FeMo-based catalysts for H2 production by NH3 decomposition
Abstract

Active and stable catalysts for ammonia decomposition were obtained by deposition of Fe(5 wt%)–Mo(5 wt%) on commercial stabilized zirconia and modified aluminas. The adopted preparation methodology, combined with a severe reduction treatment, allowed obtaining highly dispersed nanoparticles of Fe–Mo alloy, as revealed by powder XRD. The bimetallic catalysts demonstrated a higher activity with respect to the monometallic ones with the same metal loading (10 wt%). The best performances were obtained for a bimetallic Fe5Mo5/La2O3-modified Al2O3 sample. During ammonia decomposition reaction, the Fe–Mo alloy was progressively converted into a mixture of Fe/Mo nitrides, while good catalytic activity was maintained. The performances of the present catalysts well fit with the requirements of catalysts for application in ammonia-fueled SOFCs or for internal combustion engines.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Nanostructured Fe–Mo catalysts are active in hydrogen production by ammonia decomposition. ► Bimetallic Fe–Mo catalysts are more active than the reference monometallic samples. ► Fe5Mo5/La–Al2O3 demonstrates promising catalytic performances. ► Formation of Fe/Mo nitrides is observed during NH3 decomposition reaction.

Keywords
Hydrogen; Ammonia decomposition; Iron; Molybdenum; Nitrides
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 125, 21 August 2012, Pages 409–417
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