Regeneration of Rh/Ce0.75Zr0.25O2 – δ/θ-Al2O3/FeCrAl Catalyst after Autothermal Reforming of Diesel Fuel

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Regeneration of Rh/Ce0.75Zr0.25O2 – δ/θ-Al2O3/FeCrAl Catalyst after Autothermal Reforming of Diesel Fuel. / Shilov, V. A.; Rogozhnikov, V. N.; Potemkin, D. I. et al.

In: Kinetics and Catalysis, Vol. 64, No. 2, 04.2023, p. 215-220.

Research output: Contribution to journal › Article › peer-review

BibTeX

@article{a51d71d42721470399f0a7f54ea6a700,

title = "Regeneration of Rh/Ce0.75Zr0.25O2 – δ/θ-Al2O3/FeCrAl Catalyst after Autothermal Reforming of Diesel Fuel",

abstract = "The formation of soot (coke) on the surface of a structured Rh/Ce0.75Zr0.25O2/Al2O3/FeCrAl catalyst in the course of autothermal reforming of diesel fuel into synthesis gas was studied. The SEM analysis revealed the formation of fibrous carbon particles of 5–50 µm in size on the catalyst surface. It was found that the process of coke formation occurred on the catalytic coating surface and caused no exfoliation and/or damage of the catalytic layer; the carbon deposits were readily oxidized during catalyst regeneration by oxygen or water vapor. Intense oxidation of soot with oxygen began at a temperature of 450°C; a major portion of carbon deposits was oxidized even before the reactor furnace reached an operating temperature of the autothermal reforming of diesel fuel (750°C). Water vapor also oxidized carbon deposits but less efficiently than oxygen. The catalyst regeneration with water vapor proceeded actively at a temperature of 750°C, and this fact indicated the possibility of catalyst self-regeneration in the autothermal reforming of diesel fuel, which is performed with an excess of water.",

keywords = "autothermal reforming, diesel fuel, fuel cell, hydrogen, regeneration, structured catalyst, synthesis gas",

author = "Shilov, {V. A.} and Rogozhnikov, {V. N.} and Potemkin, {D. I.} and Snytnikov, {P. V.}",

note = "This study was supported by the Russian Science Foundation (grant no. 19-19-00257, https://rscf.ru/project/19-19-00257 ). Публикация для корректировки.",

year = "2023",

month = apr,

doi = "10.1134/S0023158423020076",

language = "English",

volume = "64",

pages = "215--220",

journal = "Kinetics and Catalysis",

issn = "0023-1584",

publisher = "Maik Nauka-Interperiodica Publishing",

number = "2",

}

RIS

TY - JOUR

T1 - Regeneration of Rh/Ce0.75Zr0.25O2 – δ/θ-Al2O3/FeCrAl Catalyst after Autothermal Reforming of Diesel Fuel

AU - Shilov, V. A.

AU - Rogozhnikov, V. N.

AU - Potemkin, D. I.

AU - Snytnikov, P. V.

N1 - This study was supported by the Russian Science Foundation (grant no. 19-19-00257, https://rscf.ru/project/19-19-00257 ). Публикация для корректировки.

PY - 2023/4

Y1 - 2023/4

N2 - The formation of soot (coke) on the surface of a structured Rh/Ce0.75Zr0.25O2/Al2O3/FeCrAl catalyst in the course of autothermal reforming of diesel fuel into synthesis gas was studied. The SEM analysis revealed the formation of fibrous carbon particles of 5–50 µm in size on the catalyst surface. It was found that the process of coke formation occurred on the catalytic coating surface and caused no exfoliation and/or damage of the catalytic layer; the carbon deposits were readily oxidized during catalyst regeneration by oxygen or water vapor. Intense oxidation of soot with oxygen began at a temperature of 450°C; a major portion of carbon deposits was oxidized even before the reactor furnace reached an operating temperature of the autothermal reforming of diesel fuel (750°C). Water vapor also oxidized carbon deposits but less efficiently than oxygen. The catalyst regeneration with water vapor proceeded actively at a temperature of 750°C, and this fact indicated the possibility of catalyst self-regeneration in the autothermal reforming of diesel fuel, which is performed with an excess of water.

AB - The formation of soot (coke) on the surface of a structured Rh/Ce0.75Zr0.25O2/Al2O3/FeCrAl catalyst in the course of autothermal reforming of diesel fuel into synthesis gas was studied. The SEM analysis revealed the formation of fibrous carbon particles of 5–50 µm in size on the catalyst surface. It was found that the process of coke formation occurred on the catalytic coating surface and caused no exfoliation and/or damage of the catalytic layer; the carbon deposits were readily oxidized during catalyst regeneration by oxygen or water vapor. Intense oxidation of soot with oxygen began at a temperature of 450°C; a major portion of carbon deposits was oxidized even before the reactor furnace reached an operating temperature of the autothermal reforming of diesel fuel (750°C). Water vapor also oxidized carbon deposits but less efficiently than oxygen. The catalyst regeneration with water vapor proceeded actively at a temperature of 750°C, and this fact indicated the possibility of catalyst self-regeneration in the autothermal reforming of diesel fuel, which is performed with an excess of water.

KW - autothermal reforming

KW - diesel fuel

KW - fuel cell

KW - hydrogen

KW - regeneration

KW - structured catalyst

KW - synthesis gas

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85162041203&origin=inward&txGid=2088e65c8af9c5e321ab5b401708f313

UR - https://www.mendeley.com/catalogue/b98574c2-f045-302d-9695-1779adb8fbf3/

U2 - 10.1134/S0023158423020076

DO - 10.1134/S0023158423020076

M3 - Article

VL - 64

SP - 215

EP - 220

JO - Kinetics and Catalysis

JF - Kinetics and Catalysis

SN - 0023-1584

IS - 2

ER -

ID: 59647829