Skip to main content
SpringerLink
Log in

New Insights into the Mechanism of Synergistic Effect for [CeO2–ZrO2 + H-Beta] CombiCat in NH3–SCR

  • Original Paper
  • Published:
Topics in Catalysis Aims and scope Submit manuscript

Abstract

NH3–SCR performance of the combined catalyst (CombiCats) prepared by mechanical mixing of CeO2–ZrO2 and H-Beta is studied in details. It was shown, that individual standard SCR activities of CeO2–ZrO2 and H-Beta are negligible, while their mixing results in the significant improvement of NOx conversion. The absence of standard SCR activity of individual components enabled us to estimate the contribution of fast SCR, NO and NH3 oxidation reactions to the overall process on CombiCat. Comparison of catalytic data obtained for layered configurations and CombiCats with various CeO2–ZrO2/H-Beta ratios also allowed us to determine the rate-limiting step and role of each component in the process.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5

Similar content being viewed by others

References

  1. Brandenberger S, Kröcher O, Tissler A, Althoff R (2008) Catal Rev Sci Eng 50:492–531

    Article  CAS  Google Scholar 

  2. Madia G, Koebel M, Elsener M, Wokaun A (2002) Ind Eng Chem Res 41(15):3512–3517

    Article  CAS  Google Scholar 

  3. Stakheev AY, Baeva GN, Bragina GO, Teleguina NS, Kustov AL, Grill M, Thøgersen JR (2013) Top Catal 56(1–8):427–433

    Article  CAS  Google Scholar 

  4. Salazar M, Becker R, Grünert W (2015) Appl Catal B 165:316–327

    Article  CAS  Google Scholar 

  5. Eng J, Bartholomew CH (1997) J Catal 171(1):14–26

    Article  CAS  Google Scholar 

  6. Long RQ, Yang RT (2002) J Catal 207(2):224–231

    Article  CAS  Google Scholar 

  7. Mulla SS, Chen N, Delgass WN, Epling WS, Ribeiro FH (2005) Catal Lett 100(3–4):267–270

    Article  CAS  Google Scholar 

  8. Madia G, Koebel M, Elsener M, Wokaun A (2002) Ind Eng Chem Res 41(16):4008–4015

    Article  CAS  Google Scholar 

  9. Mytareva AI, Baeva GN, Bragina GO, Selvam P, Bokarev DA, Stakheev AY (2014) Mend Commun 24:311–313

    Article  CAS  Google Scholar 

  10. Pérez Vélez R, Ellmers I, Huang H, Bentrup U, Schünemann V, Grünert W, Brückner A (2014) J Catal 316:103–111

    Article  Google Scholar 

Download references

Acknowledgments

The support of Russian Foundation for Basic Research (Grant: 15-03-07802 A) is gratefully acknowledged. A. Mytareva is grateful to Haldor Topsøe A/S for financial support in the framework of Ph.D. student support programme.

Author information

Authors and Affiliations

  1. Zelinsky Institute of Organic Chemistry, Leninsky Pr. 47, Moscow, Russia, 119991

    Alina I. Mytareva, Alexander Yu. Stakheev, Galina N. Baeva & Dmitriy A. Bokarev

  2. Haldor Topsøe A/S, Haldor Topsøes Allé 1, 2800, Kongens Lyngby, Denmark

    Arkady L. Kustov & Joakim R. Thøgersen

Authors
  1. Alina I. Mytareva
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Alexander Yu. Stakheev
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Galina N. Baeva
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Dmitriy A. Bokarev
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Arkady L. Kustov
    View author publications

    You can also search for this author in PubMed Google Scholar

  6. Joakim R. Thøgersen
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Alexander Yu. Stakheev.

Rights and permissions

Reprints and permissions

About this article

Check for updates. Verify currency and authenticity via CrossMark

Cite this article

Mytareva, A.I., Stakheev, A.Y., Baeva, G.N. et al. New Insights into the Mechanism of Synergistic Effect for [CeO2–ZrO2 + H-Beta] CombiCat in NH3–SCR. Top Catal 59, 919–924 (2016). https://doi.org/10.1007/s11244-016-0569-z

Download citation

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11244-016-0569-z

Keywords

Search

Navigation