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Structure Control of V2O5/CNFs/Cordierite Monolith Catalyst and Its Catalytic Performance on NO Removal from Flue Gas

Author(s): WANG Yan-Li, WANG Xu-Jian, ZHAN Liang, QIAO Wen-Ming, LIANG Xiao-Yi, LING Li-Cheng

Journal: Journal of Inorganic Materials
ISSN 1000-324X

Volume: 27;
Issue: 8;
Start page: 800;
Date: 2012;
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Keywords: cordierite monolith; carbon nanofibers; NO removal; catalyst

Carbon nanofibers (CNFs) were grown on Al2O3-coated cordierite monolith by chemical vapor deposition. The microstructure of V2O5 catalyst supported on cordierite monolith with CNFs layer was investigated by using scanning electron microscope (SEM), transmission electron microscope (TEM), X-ray powder diffraction (XRD) and X-ray photoelectron spectroscope (XPS) techniques, as well as its activity for the selective catalytic reduction (SCR) of NO by NH3. The compressive strength of prepared CNFs/cordierite monolith composite was 34.46 MPa and the thickness of CNFs layer was 0.74 μm. The V2O5/CNFs/cordierite monolith catalysts had high NO removal activity in the temperature range of 150-250¡䬠When the CNFs yield and V2O5 loading were 12.5% and 1%, respectively, the NO conversion of the catalyst could reach 95% at 250¡䬍
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