Catalysis Letters

, Volume 144, Issue 12, pp 2021–2032 | Cite as

Effects of Pd–Rh Composition and CeZrO2-Modification of Al2O3 on Performance of Metal-Foam-Coated Pd–Rh/Al2O3 Catalyst for Steam Reforming of Model Biogas

Article
First Online:
Received:
Accepted:

Abstract

Catalysts prepared by coating 1.31 wt% (Pd–Rh)/alumina composites on metal foam substrate were tested for steam reforming of model biogas (SRB) at 1 atm pressure to study the effects of Pd–Rh composition and CeZrO2-modification of Al2O3. Among the catalysts supported on unmodified alumina, [Pd(7)–Rh(1)] catalyst performed slightly better with respect to CH4 conversion as well as H2 and CO yields, whereas [Pd(3)–Rh(1)] catalyst performed slightly better for suppression of coke formation. Modification of Al2O3 with 49 wt% CeZrO2 improved catalytic activity and metal dispersion of [Pd(7)–Rh(1)] catalyst, despite 25 % loss of BET surface area. For the biogas-reforming reaction at 998 K and GHSV 1,400 h−1 with steam/methane (S/C) ratio of 1.50 in the feed, [Pd(7)–Rh(1)]/(CeZrO2·Al2O3) exhibited 92 % CH4 conversion in a microchannel-structured heat exchanger platform reactor, 20 % more than the conversion obtained over [Pd(7)–Rh(1)]/Al2O3. H2 and CO yields were also enhanced by CeZrO2-modification of Al2O3, however, these enhancements were accompanied by H2/CO selectivity decrease and CO/(CO + CO2) selectivity increase. Variation of Pd–Rh composition and CeZrO2-modification of Al2O3 did not affect catalytic stability in the feed with S/C = 1.50 for 200 h at 1,023 K and GHSV 20,000 h−1 in a tubular packed-bed reactor, while CeZrO2-modification of Al2O3 improved resistance to deterioration of surface area, pore structure and metal dispersion.

Graphical Abstract

Keywords

Pd–Rh composition CeZrO2-modification of Al2O3 Steam reforming of model biogas Catalytic activity enhancement Catalytic stability 
This is a preview of subscription content, log in to check access.

Notes

Acknowledgments

This study was supported by California Energy Commission through Energy Innovation Small Grant No. 57825A/13-08G.

References

  1. 1.
    Roy PS, Park N-K, Kim K (2014) Int J Hydrogen Energy 39:4299CrossRefGoogle Scholar
  2. 2.
    Guczi L, Erdőhelyi A (2012) Catalysis for alternative energy generation. Springer, New YorkCrossRefGoogle Scholar
  3. 3.
    Cheekatamarla PK, Finnerty CM (2006) J Power Sources 160:490CrossRefGoogle Scholar
  4. 4.
    Schulz PG, Gonzalez MG, Quincoces CE, Gigola CE (2005) Ind Eng Chem Res 44:9020CrossRefGoogle Scholar
  5. 5.
    Kohn MP, Castaldi MJ, Farrauto RJ (2010) Appl Catal B 94:125CrossRefGoogle Scholar
  6. 6.
    Halabi M, De Croon M, Van der Schaaf J, Cobden P, Schouten J (2010) Appl Catal A 389:68CrossRefGoogle Scholar
  7. 7.
    Wei J, Iglesia E (2004) J Catal 225:116CrossRefGoogle Scholar
  8. 8.
    Wang X, Gorte R (2002) Appl Catal A 224:209CrossRefGoogle Scholar
  9. 9.
    Dal Santo V, Gallo A, Naldoni A, Guidotti M, Psaro R (2012) Catal Today 197:190CrossRefGoogle Scholar
  10. 10.
    Pakhare D, Spivey J (2014) Chem Soc Rev. doi: 10.1039/C3CS60395D Google Scholar
  11. 11.
    Kang SB, Han SJ, Nam I-S, Cho BK, Kim CH, Oh SH (2014) Chem Eng J 241:273CrossRefGoogle Scholar
  12. 12.
    Sneed BT, Brodsky CN, Kuo C-H, Lamontagne LK, Jiang Y, Wang Y, Tao F, Huang W, Tsung C-K (2013) J Am Chem Soc 135:14691CrossRefGoogle Scholar
  13. 13.
    Tao F, Grass ME, Zhang Y, Butcher DR, Renzas JR, Liu Z, Chung JY, Mun BS, Salmeron M, Somorjai GA (2008) Science 322:932CrossRefGoogle Scholar
  14. 14.
    Souza MMVM, Schmal M (2003) Catal Lett 91:11CrossRefGoogle Scholar
  15. 15.
    Hori CE, Permana H, Ng KYS, Brenner A, More K, Rahmoeller KM, Belton D (1998) Appl Catal B 16:105CrossRefGoogle Scholar
  16. 16.
    Bozo C, Gaillard F, Guilhaume N (2001) Appl Catal A 220:69CrossRefGoogle Scholar
  17. 17.
    Fornasiero P, Dimonte R, Rao GR, Kaspar J, Meriani S, Trovarelli A-, Graziani M (1995) J Catal 151:168CrossRefGoogle Scholar
  18. 18.
    Berger-Karin C, Wohlrab S, Rodemerck U, Kondratenko EV (2012) Catal Commun 18:121CrossRefGoogle Scholar
  19. 19.
    Kusakabe K, Sotowa K-I, Eda T, Iwamoto Y (2004) Fuel Proc Technol 86:319CrossRefGoogle Scholar
  20. 20.
    Yeste MP, Hernández JC, Bernal S, Blanco G, Calvino JJ, Pérez-Omil JA, Pintado JM (2006) Chem Mater 18:2750CrossRefGoogle Scholar
  21. 21.
    Kurungot S, Yamaguchi T (2004) Catal Lett 92:181CrossRefGoogle Scholar
  22. 22.
    Roh H-S, Potdar H, Jun K-W (2004) Catal Today 93:39CrossRefGoogle Scholar
  23. 23.
    Nahar G, Dupont V (2014) Renew Sustain Energy Rev 32:777CrossRefGoogle Scholar
  24. 24.
    Mattos L, Rodino E, Resasco D, Passos F, Noronha F (2003) Fuel Proc Technol 83:147CrossRefGoogle Scholar
  25. 25.
    Roy PS, Raju ASK, Kim K (2015) Fuel. doi: 10.1016/j.fuel.2014.08.062
  26. 26.
    Pompeo F, Gazzoli D, Nichio NN (2009) Int J Hydrogen Energy 34:2260CrossRefGoogle Scholar
  27. 27.
    Amjad U-E-S, Vita A, Galletti C, Pino L, Specchia S (2013) Ind Eng Chem Res 52:15428CrossRefGoogle Scholar
  28. 28.
    Pompeo F, Gazzoli D, Nichio NN (2009) Mater Lett 63:477CrossRefGoogle Scholar
  29. 29.
    Barbelli ML, Pompeo F, Santori GF, Nichio NN (2013) Catal Today 213:58CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  • Partho Sarothi Roy
    • 1
  • Mi Sook Kang
    • 2
  • Kiseok Kim
    • 1
  1. 1.School of Chemical EngineeringYeungnam UniversityGyeongsanKorea
  2. 2.Department of ChemistryYeungnam UniversityGyeongsanKorea

Personalised recommendations