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Enhanced activity of MnxW0.05Ti0.95 − xO2 − δ for selective catalytic reduction of NOx with ammonia by self-propagating high-temperature synthesis

Paper ID Volume ID Publish Year Pages File Format Full-Text
49872 46770 2015 5 PDF Available
Title
Enhanced activity of MnxW0.05Ti0.95 − xO2 − δ for selective catalytic reduction of NOx with ammonia by self-propagating high-temperature synthesis
Abstract

•Preparation of MnxW0.05Ti0.95 − xO2 − δ by solution combustion method•High NH3-SCR activity in a wide temperature range•Formation of MnWOx phase is a key factor

A series of TiO2 supported MnWOx catalysts MnxW0.05Ti0.95 − xO2 − δ (x = 0.05, 0.1, 0.15) were synthesized by solution combustion method. The Mn0.10W0.05Ti0.85O2 − δ catalyst showed highest activity in NH3-SCR reaction within a broad temperature range of 200 °C–400 °C. XRD and TEM results indicate that the active Mn and W species are highly dispersed over TiO2 support in the form of nanoparticles (4–7 nm). The TEM and H2-TPR results also suggest that a MnWOx phase has been formed on the TiO2, which is beneficial for the activity of the MnxW0.05Ti0.95 − xO2 − δ catalysts in the high temperature range of 280 °C–400 °C.

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Keywords
NOx; Tungsten; Manganese; Solution combustion; SCR
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Enhanced activity of MnxW0.05Ti0.95 − xO2 − δ for selective catalytic reduction of NOx with ammonia by self-propagating high-temperature synthesis
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 64, 5 April 2015, Pages 27–31
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