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ZnO modified TiO2 nanotube array supported Pt catalyst for HCHO removal under mild conditions

Paper ID Volume ID Publish Year Pages File Format Full-Text
53292 46962 2016 8 PDF Available
Title
ZnO modified TiO2 nanotube array supported Pt catalyst for HCHO removal under mild conditions
Abstract

•Monolith-like Pt/ZnO/TiNT was applied to the trace HCHO oxidation with enhanced efficiency.•A HCHO conversion of 95% with a 100 h stable performance was achieved over 0.2 wt.% Pt/ZnO/TiNT at 30 °C.•The superior performance was related to the specific monolith-like structure and superior HCHO adsorption/storage property.

Highly-ordered pore-through TiO2 nanotube arrays (TiNT) are modified with ZnO and then used as the support for a Pt/ZnO/TiNT catalyst. The Pt/ZnO/TiNT is applied to the trace HCHO oxidation under mild conditions. In comparison with the Pt/TiNT without ZnO modification, monolith-like Pt/ZnO/TiNT shows higher activity under parallel preparation and test conditions. A HCHO conversion of 95% with more than 100 h stable performance is achieved over 0.2 wt.% Pt/ZnO/TiNT at 30 °C. The effect of ZnO modification on the structural properties and catalytic performance of Pt/ZnO/TiNT are investigated. The superior performances are related to the enhanced HCHO storage capacity of ZnO/TiNT support, the specific monolith-like structure and the modified metal–support interaction in Pt/ZnO/TiNT.

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Keywords
Formaldehyde; Catalytic oxidation; Pt; ZnO; TiO2 nanotube; In-situ DRIFTS
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ZnO modified TiO2 nanotube array supported Pt catalyst for HCHO removal under mild conditions
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Today - Volume 264, 15 April 2016, Pages 23–30
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