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Kinetic assessment of dry reforming of methane on Pt+Ni containing composite of fluorite-like structure. / Bobrova, L. N.; Bobin, A. S.; Mezentseva, N. V. et al.

In: Applied Catalysis B: Environmental, Vol. 182, 01.03.2016, p. 513-524.

Research output: Contribution to journalArticlepeer-review

Harvard

Bobrova, LN, Bobin, AS, Mezentseva, NV, Sadykov, VA, Thybaut, JW & Marin, GB 2016, 'Kinetic assessment of dry reforming of methane on Pt+Ni containing composite of fluorite-like structure', Applied Catalysis B: Environmental, vol. 182, pp. 513-524. https://doi.org/10.1016/j.apcatb.2015.09.049

APA

Bobrova, L. N., Bobin, A. S., Mezentseva, N. V., Sadykov, V. A., Thybaut, J. W., & Marin, G. B. (2016). Kinetic assessment of dry reforming of methane on Pt+Ni containing composite of fluorite-like structure. Applied Catalysis B: Environmental, 182, 513-524. https://doi.org/10.1016/j.apcatb.2015.09.049

Vancouver

Bobrova LN, Bobin AS, Mezentseva NV, Sadykov VA, Thybaut JW, Marin GB. Kinetic assessment of dry reforming of methane on Pt+Ni containing composite of fluorite-like structure. Applied Catalysis B: Environmental. 2016 Mar 1;182:513-524. doi: 10.1016/j.apcatb.2015.09.049

Author

Bobrova, L. N. ; Bobin, A. S. ; Mezentseva, N. V. et al. / Kinetic assessment of dry reforming of methane on Pt+Ni containing composite of fluorite-like structure. In: Applied Catalysis B: Environmental. 2016 ; Vol. 182. pp. 513-524.

BibTeX

@article{a9195cf36c5340a8b5050e381d11e0a2,
title = "Kinetic assessment of dry reforming of methane on Pt+Ni containing composite of fluorite-like structure",
abstract = "Methane dry reforming kinetics over the 1.2% Pt/80% Pr0.15Sm0.15Ce0.35Zr0.35Ox+10%NiO+10% YSZ catalyst (Pt+Ni/PrSmCeZrO/YSZ) has been assessed. First-order kinetics in methane was found for the forward reaction rate up to an equimolar methane/carbon dioxide feed ratio. The reaction rate was inhibited by adding methane beyond the stoichiometric value. A relatively constant zero reaction order towards CO2 can be applied when a CO2 excess of at least 1.5 over the stoichiometric value is employed. The existence of two different activation regimes is evident in Arrhenius plots with an inflection point at about 750°C. Kinetic parameters for the net rate of CH4 conversion over the Pt+Ni/PrSmCeZrO/YSZ composite catalyst were also determined by regression. The novel Pt+Ni/PrSmCeZrO/YSZ catalyst was benchmarked against a complex Pt-promoted fluorite-like doped ceria-zirconia oxide sample of similar atomic fractions of the corresponding elements (Pt/PrSmCeZrO/YSZ) in methane dry reforming. The Pt+Ni/SmPrCeZr/YSZ nanocomposite catalyst is regarded to be the most effective on a per unit mass basis. Higher methane conversions and H2/CO ratios in the synthesis gas were obtained, while only minor differences were observed in the CO2 conversions.",
keywords = "Dry reforming, Fluorite-like complex oxide catalyst, Kinetics, Methane",
author = "Bobrova, {L. N.} and Bobin, {A. S.} and Mezentseva, {N. V.} and Sadykov, {V. A.} and Thybaut, {J. W.} and Marin, {G. B.}",
year = "2016",
month = mar,
day = "1",
doi = "10.1016/j.apcatb.2015.09.049",
language = "English",
volume = "182",
pages = "513--524",
journal = "Applied Catalysis B: Environmental",
issn = "0926-3373",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Kinetic assessment of dry reforming of methane on Pt+Ni containing composite of fluorite-like structure

AU - Bobrova, L. N.

AU - Bobin, A. S.

AU - Mezentseva, N. V.

AU - Sadykov, V. A.

AU - Thybaut, J. W.

AU - Marin, G. B.

PY - 2016/3/1

Y1 - 2016/3/1

N2 - Methane dry reforming kinetics over the 1.2% Pt/80% Pr0.15Sm0.15Ce0.35Zr0.35Ox+10%NiO+10% YSZ catalyst (Pt+Ni/PrSmCeZrO/YSZ) has been assessed. First-order kinetics in methane was found for the forward reaction rate up to an equimolar methane/carbon dioxide feed ratio. The reaction rate was inhibited by adding methane beyond the stoichiometric value. A relatively constant zero reaction order towards CO2 can be applied when a CO2 excess of at least 1.5 over the stoichiometric value is employed. The existence of two different activation regimes is evident in Arrhenius plots with an inflection point at about 750°C. Kinetic parameters for the net rate of CH4 conversion over the Pt+Ni/PrSmCeZrO/YSZ composite catalyst were also determined by regression. The novel Pt+Ni/PrSmCeZrO/YSZ catalyst was benchmarked against a complex Pt-promoted fluorite-like doped ceria-zirconia oxide sample of similar atomic fractions of the corresponding elements (Pt/PrSmCeZrO/YSZ) in methane dry reforming. The Pt+Ni/SmPrCeZr/YSZ nanocomposite catalyst is regarded to be the most effective on a per unit mass basis. Higher methane conversions and H2/CO ratios in the synthesis gas were obtained, while only minor differences were observed in the CO2 conversions.

AB - Methane dry reforming kinetics over the 1.2% Pt/80% Pr0.15Sm0.15Ce0.35Zr0.35Ox+10%NiO+10% YSZ catalyst (Pt+Ni/PrSmCeZrO/YSZ) has been assessed. First-order kinetics in methane was found for the forward reaction rate up to an equimolar methane/carbon dioxide feed ratio. The reaction rate was inhibited by adding methane beyond the stoichiometric value. A relatively constant zero reaction order towards CO2 can be applied when a CO2 excess of at least 1.5 over the stoichiometric value is employed. The existence of two different activation regimes is evident in Arrhenius plots with an inflection point at about 750°C. Kinetic parameters for the net rate of CH4 conversion over the Pt+Ni/PrSmCeZrO/YSZ composite catalyst were also determined by regression. The novel Pt+Ni/PrSmCeZrO/YSZ catalyst was benchmarked against a complex Pt-promoted fluorite-like doped ceria-zirconia oxide sample of similar atomic fractions of the corresponding elements (Pt/PrSmCeZrO/YSZ) in methane dry reforming. The Pt+Ni/SmPrCeZr/YSZ nanocomposite catalyst is regarded to be the most effective on a per unit mass basis. Higher methane conversions and H2/CO ratios in the synthesis gas were obtained, while only minor differences were observed in the CO2 conversions.

KW - Dry reforming

KW - Fluorite-like complex oxide catalyst

KW - Kinetics

KW - Methane

UR - http://www.scopus.com/inward/record.url?scp=84944707109&partnerID=8YFLogxK

U2 - 10.1016/j.apcatb.2015.09.049

DO - 10.1016/j.apcatb.2015.09.049

M3 - Article

AN - SCOPUS:84944707109

VL - 182

SP - 513

EP - 524

JO - Applied Catalysis B: Environmental

JF - Applied Catalysis B: Environmental

SN - 0926-3373

ER -

ID: 25395991