Research output: Contribution to journal › Article › peer-review
Highly dispersed Rh-, Pt-, Ru/Ce0.75Zr0.25O2–δ catalysts prepared by sorption-hydrolytic deposition for diesel fuel reforming to syngas. / Shoynkhorova, T. B.; Simonov, P. A.; Potemkin, D. I. et al.
In: Applied Catalysis B: Environmental, Vol. 237, 05.12.2018, p. 237-244.Research output: Contribution to journal › Article › peer-review
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TY - JOUR
T1 - Highly dispersed Rh-, Pt-, Ru/Ce0.75Zr0.25O2–δ catalysts prepared by sorption-hydrolytic deposition for diesel fuel reforming to syngas
AU - Shoynkhorova, T. B.
AU - Simonov, P. A.
AU - Potemkin, D. I.
AU - Snytnikov, P. V.
AU - Belyaev, V. D.
AU - Ishchenko, A. V.
AU - Svintsitskiy, D. A.
AU - Sobyanin, V. A.
N1 - Funding Information: The authors appreciate the financial support from the Ministry of Education and Science of the Russian Federation , project No 14.607.21.0149, Unique Identification Number RFMEFI60716X0149. Publisher Copyright: © 2018 Elsevier B.V.
PY - 2018/12/5
Y1 - 2018/12/5
N2 - Three noble metal catalysts (Rh-, Pt-, Ru/Ce0.75Zr0.25O2–δ) for reforming of hydrocarbons were studied in steam and autothermal process conditions. Each catalyst was prepared by sorption-hydrolytic deposition with a metal loading of 0.1 mmol/g. The main idea of this technical approach was to form a solution of “metal complex + alkaline agent” that was metastable at given conditions (temperature, concentrations) with respect to homogeneous metal hydroxide precipitation, due to the kinetic inertness of the metal complexes for ligand exchange. As the support surface accelerated heterogeneous nucleation and growth of metal hydroxide particles, addition of the support to the reagent mixture initiated the hydrolysis which led to uniform depositing of 1–2 nm metal particles over the support surface. The Rh-based catalyst synthesized surpassed the Ru- and Pt-based catalysts in activity and stability in that under the experimental conditions, complete n-hexadecane conversion and equilibrium reformate product distribution were observed for 1-wt. % Rh/Ce0.75Zr0.25O2–δ for 17 h. This catalyst also showed competitive performance in autothermal reforming of diesel fuel providing stable operation for 9 h.
AB - Three noble metal catalysts (Rh-, Pt-, Ru/Ce0.75Zr0.25O2–δ) for reforming of hydrocarbons were studied in steam and autothermal process conditions. Each catalyst was prepared by sorption-hydrolytic deposition with a metal loading of 0.1 mmol/g. The main idea of this technical approach was to form a solution of “metal complex + alkaline agent” that was metastable at given conditions (temperature, concentrations) with respect to homogeneous metal hydroxide precipitation, due to the kinetic inertness of the metal complexes for ligand exchange. As the support surface accelerated heterogeneous nucleation and growth of metal hydroxide particles, addition of the support to the reagent mixture initiated the hydrolysis which led to uniform depositing of 1–2 nm metal particles over the support surface. The Rh-based catalyst synthesized surpassed the Ru- and Pt-based catalysts in activity and stability in that under the experimental conditions, complete n-hexadecane conversion and equilibrium reformate product distribution were observed for 1-wt. % Rh/Ce0.75Zr0.25O2–δ for 17 h. This catalyst also showed competitive performance in autothermal reforming of diesel fuel providing stable operation for 9 h.
KW - Ceria-zirconia
KW - Diesel autothermal reforming
KW - Hydrogen-rich stream
KW - Rhodium catalysts
KW - Steam conversion of hexadecane
KW - Syngas
KW - HYDROCARBONS
KW - STEAM
KW - HYDROGEN-PRODUCTION
KW - PARTIAL OXIDATION
KW - CO
KW - ALUMINA
UR - http://www.scopus.com/inward/record.url?scp=85048026783&partnerID=8YFLogxK
U2 - 10.1016/j.apcatb.2018.06.003
DO - 10.1016/j.apcatb.2018.06.003
M3 - Article
AN - SCOPUS:85048026783
VL - 237
SP - 237
EP - 244
JO - Applied Catalysis B: Environmental
JF - Applied Catalysis B: Environmental
SN - 0926-3373
ER -
ID: 13754090