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Control of Ni/Ce1-xMxOy Catalyst Properties Via the Selection of Dopant M = Gd, La, Mg. Part 2. Catalytic Activity Full article

Journal Eurasian Chemico-Technological Journal
ISSN: 1562-3920
Output data Year: 2018, Volume: 20, Number: 4, Pages: 293-300 Pages count : 8 DOI: 10.18321/ectj762
Tags autothermal reforming, ethanol, ceria, dopant, Ni catalyst
Authors Kerzhentsev M.A. 1 , Matus E.V. 1,2 , Ismagilov I.Z. 1 , Sukhova O.B. 1 , Bharali P. 3 , Ismagilov Z.R. 1,4
Affiliations
1 Boreskov Institute of Catalysis SB RAS, pr. Ak. Lavrentieva 5, 630090 Novosibirsk, Russia
2 Novosibirsk State Technical University, pr. K. Marksa 20, 630073 Novosibirsk, Russia
3 Tezpur University, Napaam, Tezpur - 784 028 Assam, India
4 Institute of Coal Chemistry and Material Science FRC CCC SB RAS, pr. Sovetskiy 18, 650000 Kemerovo, Russia

Funding (1)

1 Federal Agency for Scientific Organizations 0303-2016-0004

Abstract: To elucidate the role of support composition in autothermal reforming of ethanol (ATR of C2H5OH), a series of Ni catalysts (Ni content 2–15 wt.%) supported on different ceria-based oxides (Ce1-xGdxOy, Ce1-xLaxOy and Ce1-xMgxOy; x = 0.1–0.9) were prepared. The synthetized materials were tested in ATR of ethanol at 200–700 °C. It was established that supports themselves show catalytic activity in ATR of C2H5OH and provide 10–15% yield of H2 at 700 °C. Upon the increase of Ni content from 2 to 15 wt.% the temperature of 100% ethanol conversion decreases from 700 tо 300 °С, hydrogen yield increases from 25 to 60%, the inhibition of С2-С3 by-products formation, as well as the promotion of decomposition of acetaldehyde occur. The enhancement of catalyst performance in ATR of C2H5OH has been observed in the next series of supports: Ce1-xMgxOy < Ce1-xGdxOy < Ce1-xLaxOy and with a decrease of x to an optimal value that correlates with the improvement of Ni active component reducibility. At 600 °C on 10Ni/Ce0.8La0.2O1.9 catalyst the H2 yield of 50% was achieved at C2H5OH conversion of 100%. Stable and high performance of developed catalysts in ATR of C2H5OH indicates the promise of their use in the production of hydrogen.
Cite: Kerzhentsev M.A. , Matus E.V. , Ismagilov I.Z. , Sukhova O.B. , Bharali P. , Ismagilov Z.R.
Control of Ni/Ce1-xMxOy Catalyst Properties Via the Selection of Dopant M = Gd, La, Mg. Part 2. Catalytic Activity
Eurasian Chemico-Technological Journal. 2018. V.20. N4. P.293-300. DOI: 10.18321/ectj762 WOS Scopus РИНЦ AN OpenAlex
Files: Full text from publisher
Dates:
Submitted: Mar 15, 2018
Accepted: Jul 24, 2018
Published print: Dec 21, 2018
Published online: Dec 28, 2018
Identifiers:
Web of science: WOS:000457346300005
Scopus: 2-s2.0-85060857791
Elibrary: 38656418
Chemical Abstracts: 2019:2299581
OpenAlex: W2909664035
Citing:
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Scopus 1
Web of science 1
Elibrary 1
OpenAlex 1
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