Catalyst development for indirect internalreforming (IIR) of methane by partial oxidation

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Catalyst development for indirect internalreforming (IIR) of methane by partial oxidation. / Milner-El-kharouf, Lois; Khzouz, Martin; Steinberger-Wilckens, Robert.

In: International Journal of Hydrogen Energy, 19.08.2019.

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@article{6ffaae2ca46c421686d8f4a30f3ea804,
title = "Catalyst development for indirect internalreforming (IIR) of methane by partial oxidation",
abstract = "The development of a Ni@SiO2partial oxidation (POx) catalyst with the potential to supportindirect internal reforming (IIR) is reported. The paper explores how the silica shell provesvital in resisting the deactivation of the catalyst by re-oxidation. The results show that thesilica shell maintained the nickel in its reduced state by limiting the rate of oxygendiffusion to the nickel surface. Retaining the Ni0state allows for partial oxidation to pro-ceed. The investigated catalysts were characterised by TGA, XRD, BET and TEM and theperformance of the catalysts was assessed by gas chromatography. The tested catalystsshowed greater than 95% methane conversion at 750C with a high selectivity towardssyngas production. The stability of the catalyst was monitored over a time frame of 100 h,with minor degradation occurring due to nickel particle agglomeration.",
keywords = "core shell nanoparticles, Reforming, Partial oxidation, SOFC, Silica shell, Oxidation protection, Redox-cycling",
author = "Lois Milner-El-kharouf and Martin Khzouz and Robert Steinberger-Wilckens",
year = "2019",
month = aug,
day = "19",
doi = "10.1016/j.ijhydene.2019.05.026",
language = "English",
journal = "International Journal of Hydrogen Energy",
issn = "0360-3199",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Catalyst development for indirect internalreforming (IIR) of methane by partial oxidation

AU - Milner-El-kharouf, Lois

AU - Khzouz, Martin

AU - Steinberger-Wilckens, Robert

PY - 2019/8/19

Y1 - 2019/8/19

N2 - The development of a Ni@SiO2partial oxidation (POx) catalyst with the potential to supportindirect internal reforming (IIR) is reported. The paper explores how the silica shell provesvital in resisting the deactivation of the catalyst by re-oxidation. The results show that thesilica shell maintained the nickel in its reduced state by limiting the rate of oxygendiffusion to the nickel surface. Retaining the Ni0state allows for partial oxidation to pro-ceed. The investigated catalysts were characterised by TGA, XRD, BET and TEM and theperformance of the catalysts was assessed by gas chromatography. The tested catalystsshowed greater than 95% methane conversion at 750C with a high selectivity towardssyngas production. The stability of the catalyst was monitored over a time frame of 100 h,with minor degradation occurring due to nickel particle agglomeration.

AB - The development of a Ni@SiO2partial oxidation (POx) catalyst with the potential to supportindirect internal reforming (IIR) is reported. The paper explores how the silica shell provesvital in resisting the deactivation of the catalyst by re-oxidation. The results show that thesilica shell maintained the nickel in its reduced state by limiting the rate of oxygendiffusion to the nickel surface. Retaining the Ni0state allows for partial oxidation to pro-ceed. The investigated catalysts were characterised by TGA, XRD, BET and TEM and theperformance of the catalysts was assessed by gas chromatography. The tested catalystsshowed greater than 95% methane conversion at 750C with a high selectivity towardssyngas production. The stability of the catalyst was monitored over a time frame of 100 h,with minor degradation occurring due to nickel particle agglomeration.

KW - core shell nanoparticles

KW - Reforming

KW - Partial oxidation

KW - SOFC

KW - Silica shell

KW - Oxidation protection

KW - Redox-cycling

UR - http://www.scopus.com/inward/record.url?scp=85070739845&partnerID=8YFLogxK

U2 - 10.1016/j.ijhydene.2019.05.026

DO - 10.1016/j.ijhydene.2019.05.026

M3 - Article

JO - International Journal of Hydrogen Energy

JF - International Journal of Hydrogen Energy

SN - 0360-3199

ER -