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On-site hydrogen-rich gas production from diesel: A comprehensive study on catalyst development with nickel and diverse metal oxides (MgO, La2O3, CeO2, SiO2) supported on alumina
Date
2024-11-25
Author
Sahingoz, Nurbanu Cakiryilmaz
Talu, Kerem
OKTAR, NURAY
Doğu, Timur
Pamuk, Ibrahim
Metadata
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The study aimed to investigate the impact of nickel-incorporating diverse metal oxides (MgO, La2O3, CeO2, SiO2) supported on alumina on the Diesel steam reforming reaction. Catalytic activity tests were performed within a reaction period of 6 h at 800°C and atmospheric pressure. The amount of catalyst is 30 gr in each experiment corresponding to a LHSV value of 0.2 hr−1. The tests proved that the performances of Ni-containing La2O3 and CeO2-supported catalysts were highly stable and active in steam reforming of Diesel, giving complete conversion. The incorporation of CeO2 (20 % wt) into Al2O3 support resulted in a significant reduction in the amount of coke formation from 0.85 % to 0.26 %. In order to investigate catalyst stability, time-on stream tests extending to 6 days, totaling 36 hours were performed using 5Ni@10La2O3-Al2O3. As a result of the long-term stability test, no deactivation has been observed under the test conditions despite very few amounts of carbon (1.33 wt%) formed. When comparing the short-term and long-term tests, similar syn-gas production results were observed, along with approximately the same amount of carbon formation.
Subject Keywords
Diesel
,
Hydrogen
,
Metal oxide support
,
Nickel
,
Steam reforming
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85203142939&origin=inward
https://hdl.handle.net/11511/111236
Journal
Applied Catalysis A: General
DOI
https://doi.org/10.1016/j.apcata.2024.119940
Collections
Graduate School of Natural and Applied Sciences, Article
Citation Formats
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BibTeX
N. C. Sahingoz, K. Talu, N. OKTAR, T. Doğu, and I. Pamuk, “On-site hydrogen-rich gas production from diesel: A comprehensive study on catalyst development with nickel and diverse metal oxides (MgO, La2O3, CeO2, SiO2) supported on alumina,”
Applied Catalysis A: General
, vol. 687, pp. 0–0, 2024, Accessed: 00, 2024. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85203142939&origin=inward.