Non-hydrolytic Sol–Gel Preparation of Silver Alumina Based Catalysts for the HC-SCR of NOx

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• 作者：Carolina Petitto (1)
  P. Hubert Mutin (2)
  Gérard Delahay (1)
  
• 关键词：Sol–gel ; Silver ; Alumina ; Nitrogen oxide ; Hydrocarbon ; SCR
• 刊名：Topics in Catalysis
• 出版年：2013
• 出版时间：May 2013
• 年：2013
• 卷：56
• 期：1-8
• 页码：34-39
• 全文大小：675KB
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• 作者单位：Carolina Petitto (1)
  P. Hubert Mutin (2)
  Gérard Delahay (1)
  
  1. Institut Charles Gerhardt Montpellier, UMR 5253, CNRS-UM2-ENSCM-UM1, ICGM-MACS, ENSCM, 8, rue Ecole Normale, 34296, Montpellier Cedex 5, France
  2. Institut Charles Gerhardt Montpellier UMR 5253, CNRS-UM2-ENSCM-UM1, ICGM-CMOS, Université Montpellier 2, Place Eugène Bataillon, 34095, Montpellier Cedex 5, France
  
• ISSN：1572-9028

文摘

The preparation of Ag/Al2O3 catalysts by nonhydrolytic sol–gel process leads to highly efficient HC-deNOx materials thanks to the silver ability to diffuse toward the surface. The presence of niobium as co-catalyst, with a Nb content comprised between 1 and 3?wt%, enhances the NO reduction efficiency at low temperatures (<250?°C).