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Catalytic NO–H2–CO–O2 reactions over Pt-supported mesoporous yttrium oxide

Paper ID Volume ID Publish Year Pages File Format Full-Text
51201 46835 1999 5 PDF Available
Title
Catalytic NO–H2–CO–O2 reactions over Pt-supported mesoporous yttrium oxide
Abstract

Catalytic light-off of a stream of NO, H2, CO in an excess O2 has been studied over various metal oxides loading 1 wt% Pt. Because a low-surface area Y2O3 (<5 m2 g−1) was found to exhibit the highest de-NOx activity, a mesoporous Y2O3 was then synthesized from an yttrium-based surfactant mesophase templated by dodecyl sulfate (DS=C12H25OSO3-), which was anion-exchanged by acetate (AcO = CH3COO−). The product showed a 3-D mesoporosity with a large surface area (396 m2 g−1) and the Pt-supported catalyst achieved much improved light-off characteristics suitable for the low-temperature de-NOx in the presence of CO and excess O2.

Keywords
Yttrium oxide; Mesoporous; Template synthesis; Platinum; NOx
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Catalytic NO–H2–CO–O2 reactions over Pt-supported mesoporous yttrium oxide
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 15, 15 September 2009, Pages 1995–1999
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
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