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Prominent enhancement of La2O3 addition to the support on the NOx storage and sulfur-resistance performance of Pt/K/TiO2–Al2O3 lean-burn NOx trap catalysts

✍ Scribed by Junjun He; Ming Meng; Yuqing Zha; Rui You; Tong Ding


Book ID
119322207
Publisher
Elsevier Science
Year
2012
Tongue
English
Weight
729 KB
Volume
135
Category
Article
ISSN
0254-0584

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The influence of the choice of platinum precursor on the catalytic performance of Pt/BaCO 3 /Al 2 O 3 NO x storage catalysts was studied. The precursors used in the preparation of the catalysts were: (i) hexachloroplatinic acid [H 2 Pt(Cl) 6 ], (ii) tetraammineplatinum hydroxide [Pt(NH 3 ) 4 (OH) 2