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Influence of microwave irradiation on catalytic decomposition of nitrous oxide over Rh/Al2O3 catalyst

Paper ID Volume ID Publish Year Pages File Format Full-Text
51747 46853 2008 5 PDF Available
Title
Influence of microwave irradiation on catalytic decomposition of nitrous oxide over Rh/Al2O3 catalyst
Abstract

Alumina-supported Rh catalysts were prepared by deposition–precipitation (DP) and impregnation (IMP) methods adopting conventional heating (CH) and microwave irradiation (MW), characterized by temperature programmed reduction (TPR), X-ray diffraction, XRD, CO-diffuse reflectance infrared Fourier transform spectroscopy (CO-DRIFTS) techniques and evaluated for their activity in N2O decomposition. The activity of the DP catalyst was found to be significantly higher than the IMP catalyst, which was manifested in the formation of electron deficient Rh species, as observed by CO-DRIFTS analysis. MW irradiation further enhanced the number of the Rh active sites. A combination of DP and MW irradiation produced a catalyst with a superior activity than that prepared by either of the methods.

Keywords
N2O decomposition; Microwave irradiation; Rh catalyst; Al2O3; DRIFTS
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Influence of microwave irradiation on catalytic decomposition of nitrous oxide over Rh/Al2O3 catalyst
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 9, Issue 14, 30 August 2008, Pages 2303–2307
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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Price was $35.95
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