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Flare gases processing over highly dispersed Ni/Ce0.75Zr0.25O2 catalysts for methanotroph-based biorefinery. / Potemkin, D. I.; Uskov, S. I.; Brayko, A. S. и др.

в: Catalysis Today, Том 379, 01.11.2021, стр. 205-211.

Результаты исследований: Научные публикации в периодических изданияхстатьяРецензирование

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Potemkin DI, Uskov SI, Brayko AS, Pakharukova VP, Snytnikov PV, Kirillov VA и др. Flare gases processing over highly dispersed Ni/Ce0.75Zr0.25O2 catalysts for methanotroph-based biorefinery. Catalysis Today. 2021 нояб. 1;379:205-211. Epub 2020 июнь 30. doi: 10.1016/j.cattod.2020.06.070

Author

Potemkin, D. I. ; Uskov, S. I. ; Brayko, A. S. и др. / Flare gases processing over highly dispersed Ni/Ce0.75Zr0.25O2 catalysts for methanotroph-based biorefinery. в: Catalysis Today. 2021 ; Том 379. стр. 205-211.

BibTeX

@article{7d0533e6f4664d9882b18534124b9a1d,
title = "Flare gases processing over highly dispersed Ni/Ce0.75Zr0.25O2 catalysts for methanotroph-based biorefinery",
abstract = "X wt.% Ni/Ce0.75Zr0.25O2 catalysts (X = 5, 9, 12, 15) have been prepared by the incipient wetness impregnation technique in the presence of ethylene glycol (EG) and tested in the steam reforming of a propane-methane mixture at temperatures below 350 °C. The activity of the catalysts obtained has been compared to the activity of industrial Ni catalysts. Catalytic activity of the samples increased with increasing Ni content and allowed complete propane conversion at 270−300 °C. The catalysts have been characterized by XRD, BET, TEM, TPO and CO chemisorption techniques. High nickel dispersion attributed to EG influence during the preparation step was confirmed. X wt.% Ni/Ce0.75Zr0.25O2 catalysts (X = 9, 12, 15) had lower Ni content than industrial catalysts but higher dispersion which overall resulted in higher catalytic activity. 15 wt.% Ni/Ce0.75Zr0.25O2 catalyst provided complete conversion of propane at a temperature of 275 °C, WHSV of 2500 cm3 h−1 g−1 and molar ratio H2O/CC2+ of 2. The resulted mixture after water condensation contained 91 vol.% CH4, 5 vol.% CO2 and 4 vol.% H2 and could be used as a feed for methanotrophs.",
keywords = "Flare gas, Methanotrophs, Ni catalysts, Steam reforming",
author = "Potemkin, {D. I.} and Uskov, {S. I.} and Brayko, {A. S.} and Pakharukova, {V. P.} and Snytnikov, {P. V.} and Kirillov, {V. A.} and Sobyanin, {V. A.}",
year = "2021",
month = nov,
day = "1",
doi = "10.1016/j.cattod.2020.06.070",
language = "English",
volume = "379",
pages = "205--211",
journal = "Catalysis Today",
issn = "0920-5861",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Flare gases processing over highly dispersed Ni/Ce0.75Zr0.25O2 catalysts for methanotroph-based biorefinery

AU - Potemkin, D. I.

AU - Uskov, S. I.

AU - Brayko, A. S.

AU - Pakharukova, V. P.

AU - Snytnikov, P. V.

AU - Kirillov, V. A.

AU - Sobyanin, V. A.

PY - 2021/11/1

Y1 - 2021/11/1

N2 - X wt.% Ni/Ce0.75Zr0.25O2 catalysts (X = 5, 9, 12, 15) have been prepared by the incipient wetness impregnation technique in the presence of ethylene glycol (EG) and tested in the steam reforming of a propane-methane mixture at temperatures below 350 °C. The activity of the catalysts obtained has been compared to the activity of industrial Ni catalysts. Catalytic activity of the samples increased with increasing Ni content and allowed complete propane conversion at 270−300 °C. The catalysts have been characterized by XRD, BET, TEM, TPO and CO chemisorption techniques. High nickel dispersion attributed to EG influence during the preparation step was confirmed. X wt.% Ni/Ce0.75Zr0.25O2 catalysts (X = 9, 12, 15) had lower Ni content than industrial catalysts but higher dispersion which overall resulted in higher catalytic activity. 15 wt.% Ni/Ce0.75Zr0.25O2 catalyst provided complete conversion of propane at a temperature of 275 °C, WHSV of 2500 cm3 h−1 g−1 and molar ratio H2O/CC2+ of 2. The resulted mixture after water condensation contained 91 vol.% CH4, 5 vol.% CO2 and 4 vol.% H2 and could be used as a feed for methanotrophs.

AB - X wt.% Ni/Ce0.75Zr0.25O2 catalysts (X = 5, 9, 12, 15) have been prepared by the incipient wetness impregnation technique in the presence of ethylene glycol (EG) and tested in the steam reforming of a propane-methane mixture at temperatures below 350 °C. The activity of the catalysts obtained has been compared to the activity of industrial Ni catalysts. Catalytic activity of the samples increased with increasing Ni content and allowed complete propane conversion at 270−300 °C. The catalysts have been characterized by XRD, BET, TEM, TPO and CO chemisorption techniques. High nickel dispersion attributed to EG influence during the preparation step was confirmed. X wt.% Ni/Ce0.75Zr0.25O2 catalysts (X = 9, 12, 15) had lower Ni content than industrial catalysts but higher dispersion which overall resulted in higher catalytic activity. 15 wt.% Ni/Ce0.75Zr0.25O2 catalyst provided complete conversion of propane at a temperature of 275 °C, WHSV of 2500 cm3 h−1 g−1 and molar ratio H2O/CC2+ of 2. The resulted mixture after water condensation contained 91 vol.% CH4, 5 vol.% CO2 and 4 vol.% H2 and could be used as a feed for methanotrophs.

KW - Flare gas

KW - Methanotrophs

KW - Ni catalysts

KW - Steam reforming

UR - http://www.scopus.com/inward/record.url?scp=85087752680&partnerID=8YFLogxK

U2 - 10.1016/j.cattod.2020.06.070

DO - 10.1016/j.cattod.2020.06.070

M3 - Article

AN - SCOPUS:85087752680

VL - 379

SP - 205

EP - 211

JO - Catalysis Today

JF - Catalysis Today

SN - 0920-5861

ER -

ID: 24736571