LAPSE:2023.5020
Published Article
LAPSE:2023.5020
Renewable Hydrogen Production from Butanol Steam Reforming over Nickel Catalysts Promoted by Lanthanides
João Paulo da S. Q. Menezes, Gabriel M. Guimarães, Mônica A. P. da Silva, Mariana M. V. M. Souza
February 23, 2023
Hydrogen is mainly produced by steam reforming of natural gas, a nonrenewable resource. Alternative and renewable routes for hydrogen production play an important role in reducing dependence on oil and minimizing the emission of greenhouse gases. In this work, butanol, a model compound of bio-oil, was employed for hydrogen production by steam reforming. The reaction was evaluated for 30 h in a tubular quartz reactor at 500 °C, atmospheric pressure, GHSV of 500,000 h−1, and an aqueous solution feed of 10% v/v butanol. For this reaction, catalysts with 20 wt.% NiO were prepared by wet impregnation using three supports: γ-alumina and alumina modified with 10 wt.% of cerium and lanthanum oxides. Both promoters increased the reduction degree of the catalysts and decreased catalyst acidity, which is closely related to coke formation and deactivation. Ni/La2O3−Al2O3 presented a higher nickel dispersion (14.6%) which, combined with other properties, led to a higher stability, higher mean hydrogen yield (71%), and lower coke formation per mass (56%). On the other hand, the nonpromoted catalyst suffered a significant deactivation associated with coke formation favored by its highest acidity (3.1 µmol m−²).
Keywords
Butanol, coke, Hydrogen, lanthanides, reforming
Suggested Citation
Menezes JPDSQ, Guimarães GM, da Silva MAP, Souza MMVM. Renewable Hydrogen Production from Butanol Steam Reforming over Nickel Catalysts Promoted by Lanthanides. (2023). LAPSE:2023.5020
Author Affiliations
Menezes JPDSQ: Centro de Tecnologia, Escola de Química, Universidade Federal do Rio de Janeiro (UFRJ), Bloco E, Rio de Janeiro 21941-909, RJ, Brazil
Guimarães GM: Centro de Tecnologia, Escola de Química, Universidade Federal do Rio de Janeiro (UFRJ), Bloco E, Rio de Janeiro 21941-909, RJ, Brazil
da Silva MAP: Centro de Tecnologia, Escola de Química, Universidade Federal do Rio de Janeiro (UFRJ), Bloco E, Rio de Janeiro 21941-909, RJ, Brazil
Souza MMVM: Centro de Tecnologia, Escola de Química, Universidade Federal do Rio de Janeiro (UFRJ), Bloco E, Rio de Janeiro 21941-909, RJ, Brazil [ORCID]
Journal Name
Processes
Volume
9
Issue
10
First Page
1815
Year
2021
Publication Date
2021-10-13
Published Version
ISSN
2227-9717
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Original Submission
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PII: pr9101815, Publication Type: Journal Article
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LAPSE:2023.5020
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doi:10.3390/pr9101815
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Feb 23, 2023
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CC BY 4.0
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