High performances of Pt-K/Al2O3 versus Pt-Ba/Al2O3 LNT catalysts in the simultaneous removal of NOx and soot

被引：0
作者：
R. Matarrese
L. Castoldi
L. Lietti
P. Forzatti
机构：
[1] Centro NEMAS - Nano Engineered MAterials and Surfaces,Dipartimento di Chimica Industriale e Ingegneria Chimica “Giulio Natta”
[2] Politecnico di Milano,undefined
来源：
Topics in Catalysis | 2007年 / 42-43卷
关键词：
combined soot and NO; removal; Pt-Ba/Al; O; catalysts; Pt-K/Al; O; catalysts; nitrogen storage-reduction catalysts; catalytic soot oxidation;
D O I：
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中图分类号：
学科分类号：
摘要：
The potentiality of a Pt-K/Al2O3 catalyst in the simultaneous removal of particulate matter (soot) and NOx is investigated in this work by means of Temperature Programmed Oxidation (TPO) experiments and Transient Response Method (TRM), and compared with Pt-Ba/Al2O3. The results point out the higher performances of K-based sample in the soot combustion as compared to the Ba-based catalyst, and similar behaviour in the NOx-storage.
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页码：293 / 297
页数：4
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