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Simultaneous catalytic removal of NOx and diesel soot particulates over La1−xCexNiO3 perovskite oxide catalysts

Paper ID Volume ID Publish Year Pages File Format Full-Text
51526 46846 2009 5 PDF Available
Title
Simultaneous catalytic removal of NOx and diesel soot particulates over La1−xCexNiO3 perovskite oxide catalysts
Abstract

A series of the La1−xCexNiO3 (0 ⩽ x ⩽ 0.05) perovskite catalysts for simultaneous removal of nitrogen oxides and diesel soot were prepared by the citric acid complexation. The catalysts were characterized by X-ray diffraction, H2 temperature programmed reduction and X-ray photoelectron spectroscopy. The catalytic performances of these catalysts were investigated by the temperature programmed reaction. The results indicated that Ni2+ was the active centers. The partial substitution of Ce for La increased the concentration of Ni2+, enhancing the catalytic activities. The La0.97Ce0.03NiO3 catalyst showed the highest activity. The maximum productivity of N2 and the ignition temperature were 11.8% and 300 °C, respectively.

Keywords
Simultaneous removal; Perovskite oxides; Diesel soot; Nitrogen oxides
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Simultaneous catalytic removal of NOx and diesel soot particulates over La1−xCexNiO3 perovskite oxide catalysts
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 10, Issue 7, 10 March 2009, Pages 1029–1033
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
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Any Questions? feel free to contact us