Ir al contenido (pulsa Retorno)

Universitat Politècnica de Catalunya

    • Català
    • Castellano
    • English
    • LoginRegisterLog in (no UPC users)
  • mailContact Us
  • world English 
    • Català
    • Castellano
    • English
  • userLogin   
      LoginRegisterLog in (no UPC users)

UPCommons. Global access to UPC knowledge

Banner header
61.690 UPC E-Prints
You are here:
View Item 
  •   DSpace Home
  • E-prints
  • Grups de recerca
  • GREENER - Grup de recerca d'estudis energètics i de les radiacions
  • Articles de revista
  • View Item
  •   DSpace Home
  • E-prints
  • Grups de recerca
  • GREENER - Grup de recerca d'estudis energètics i de les radiacions
  • Articles de revista
  • View Item
JavaScript is disabled for your browser. Some features of this site may not work without it.

Effect of impregnation protocol in the metallic sites of Pt-Ag/activated carbon catalysts for water denitration

Thumbnail
View/Open
Effect.pdf (3,846Mb) (Restricted access)   Request copy 

Què és aquest botó?

Aquest botó permet demanar una còpia d'un document restringit a l'autor. Es mostra quan:

  • Disposem del correu electrònic de l'autor
  • El document té una mida inferior a 20 Mb
  • Es tracta d'un document d'accés restringit per decisió de l'autor o d'un document d'accés restringit per política de l'editorial
 
10.1016/j.apsusc.2014.01.110
 
  View Usage Statistics
  LA Referencia / Recolecta stats
Cita com:
hdl:2117/23577

Show full item record
Aristizabal, A.
Contreras, Sandra
Jiménez Divins, NuriaMés informacióMés informacióMés informació
Llorca Piqué, JordiMés informacióMés informacióMés informació
Medina Cabello, Francisco
Document typeArticle
Defense date2014-04-15
Rights accessRestricted access - publisher's policy
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
The influence of the Pt precursor and the impregnation protocol in the catalytic behavior of 3%Pt-1.5%Ag supported on activated carbon for water denitration in a continuous reactor was studied. Pt(NH3)(4)(NO3)(2) and H2PtCl6 were selected as Pt precursors. Five protocols were investigated: sequential impregnations (both sequences), co-impregnation, physical mixture of monometallic catalysts, and physical mixture of a bimetallic catalyst with a Pt monometallic catalyst. The samples were characterized by XRD, XPS, TPR, HRTEM and physisorption. It was found that the catalytic activity strongly depends on the synthesis protocol and the Pt precursor, which modify the particle size. Higher nitrate rates are achieved using H2PtCl6 than Pt(NH3)(4)(NO3)(2); this is mainly related to the smaller metal particle size of the former, evidenced by HRTEM. Nitrate consumption rate is directly related with the mean particle size. The physical mixture of monometallic catalysts resulted in the highest nitrogen rate. (C) 2014 Elsevier B.V. All rights reserved.
CitationAristizabal, A. [et al.]. Effect of impregnation protocol in the metallic sites of Pt-Ag/activated carbon catalysts for water denitration. "Applied surface science", 15 Abril 2014, vol. 298, p. 75-89. 
URIhttp://hdl.handle.net/2117/23577
DOI10.1016/j.apsusc.2014.01.110
ISSN0169-4332
Collections
  • GREENER - Grup de recerca d'estudis energètics i de les radiacions - Articles de revista [178]
  • INTE - Institut de Tècniques Energètiques - Articles de revista [280]
  View Usage Statistics

Show full item record

FilesDescriptionSizeFormatView
Effect.pdfBlocked3,846MbPDFRestricted access

Browse

This CollectionBy Issue DateAuthorsOther contributionsTitlesSubjectsThis repositoryCommunities & CollectionsBy Issue DateAuthorsOther contributionsTitlesSubjects

© UPC Obrir en finestra nova . Servei de Biblioteques, Publicacions i Arxius

info.biblioteques@upc.edu

  • About This Repository
  • Contact Us
  • Send Feedback
  • Privacy Settings
  • Inici de la pàgina