Barium-Promoted Yttria–Zirconia-Supported Ni Catalyst for Hydrogen Production via the Dry Reforming of Methane: Role of Barium in the Phase Stabilization of Cubic ZrO(2)
[Image: see text] Developing cost-effective nonprecious active metal-based catalysts for syngas (H(2)/CO) production via the dry reforming of methane (DRM) for industrial applications has remained a challenge. Herein, we utilized a facile and scalable mechanochemical method to develop Ba-promoted (1...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
American Chemical Society
2022
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9118375/ https://www.ncbi.nlm.nih.gov/pubmed/35601323 http://dx.doi.org/10.1021/acsomega.2c00471 |
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author | Al-Fatesh, Ahmed Sadeq Patel, Rutu Srivastava, Vijay Kumar Ibrahim, Ahmed Aidid Naeem, Muhammad Awais Fakeeha, Anis Hamza Abasaeed, Ahmed Elhag Alquraini, Abdullah Ali Kumar, Rawesh |
author_facet | Al-Fatesh, Ahmed Sadeq Patel, Rutu Srivastava, Vijay Kumar Ibrahim, Ahmed Aidid Naeem, Muhammad Awais Fakeeha, Anis Hamza Abasaeed, Ahmed Elhag Alquraini, Abdullah Ali Kumar, Rawesh |
author_sort | Al-Fatesh, Ahmed Sadeq |
collection | PubMed |
description | [Image: see text] Developing cost-effective nonprecious active metal-based catalysts for syngas (H(2)/CO) production via the dry reforming of methane (DRM) for industrial applications has remained a challenge. Herein, we utilized a facile and scalable mechanochemical method to develop Ba-promoted (1–5 wt %) zirconia and yttria–zirconia-supported Ni-based DRM catalysts. BET surface area and porosity measurements, infrared, ultraviolet–visible, and Raman spectroscopy, transmission electron microscopy, and temperature-programmed cyclic (reduction–oxidation–reduction) experiments were performed to characterize and elucidate the catalytic performance of the synthesized materials. Among different catalysts tested, the inferior catalytic performance of 5Ni/Zr was attributed to the unstable monoclinic ZrO(2) support and weakly interacting NiO species whereas the 5Ni/YZr system performed better because of the stable cubic ZrO(2) phase and stronger metal–support interaction. It is established that the addition of Ba to the catalysts improves the oxygen-endowing capacity and stabilization of the cubic ZrO(2) and BaZrO(3) phases. Among the Ba-promoted catalysts, owing to the optimal active metal particle size and excess ionic CO(3)(2–) species, the 5Ni4Ba/YZr catalyst demonstrated a high, stable H(2) yield (i.e., 79% with a 0.94 H(2)/CO ratio) for up to 7 h of time on stream. The 5Ni4Ba/YZr catalyst had the highest H(2) formation rate, 1.14 mol g(–1) h(–1) and lowest apparent activation energy, 20.07 kJ/mol, among all zirconia-supported Ni catalyst systems. |
format | Online Article Text |
id | pubmed-9118375 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2022 |
publisher | American Chemical Society |
record_format | MEDLINE/PubMed |
spelling | pubmed-91183752022-05-20 Barium-Promoted Yttria–Zirconia-Supported Ni Catalyst for Hydrogen Production via the Dry Reforming of Methane: Role of Barium in the Phase Stabilization of Cubic ZrO(2) Al-Fatesh, Ahmed Sadeq Patel, Rutu Srivastava, Vijay Kumar Ibrahim, Ahmed Aidid Naeem, Muhammad Awais Fakeeha, Anis Hamza Abasaeed, Ahmed Elhag Alquraini, Abdullah Ali Kumar, Rawesh ACS Omega [Image: see text] Developing cost-effective nonprecious active metal-based catalysts for syngas (H(2)/CO) production via the dry reforming of methane (DRM) for industrial applications has remained a challenge. Herein, we utilized a facile and scalable mechanochemical method to develop Ba-promoted (1–5 wt %) zirconia and yttria–zirconia-supported Ni-based DRM catalysts. BET surface area and porosity measurements, infrared, ultraviolet–visible, and Raman spectroscopy, transmission electron microscopy, and temperature-programmed cyclic (reduction–oxidation–reduction) experiments were performed to characterize and elucidate the catalytic performance of the synthesized materials. Among different catalysts tested, the inferior catalytic performance of 5Ni/Zr was attributed to the unstable monoclinic ZrO(2) support and weakly interacting NiO species whereas the 5Ni/YZr system performed better because of the stable cubic ZrO(2) phase and stronger metal–support interaction. It is established that the addition of Ba to the catalysts improves the oxygen-endowing capacity and stabilization of the cubic ZrO(2) and BaZrO(3) phases. Among the Ba-promoted catalysts, owing to the optimal active metal particle size and excess ionic CO(3)(2–) species, the 5Ni4Ba/YZr catalyst demonstrated a high, stable H(2) yield (i.e., 79% with a 0.94 H(2)/CO ratio) for up to 7 h of time on stream. The 5Ni4Ba/YZr catalyst had the highest H(2) formation rate, 1.14 mol g(–1) h(–1) and lowest apparent activation energy, 20.07 kJ/mol, among all zirconia-supported Ni catalyst systems. American Chemical Society 2022-05-03 /pmc/articles/PMC9118375/ /pubmed/35601323 http://dx.doi.org/10.1021/acsomega.2c00471 Text en © 2022 The Authors. Published by American Chemical Society https://creativecommons.org/licenses/by-nc-nd/4.0/Permits non-commercial access and re-use, provided that author attribution and integrity are maintained; but does not permit creation of adaptations or other derivative works (https://creativecommons.org/licenses/by-nc-nd/4.0/). |
spellingShingle | Al-Fatesh, Ahmed Sadeq Patel, Rutu Srivastava, Vijay Kumar Ibrahim, Ahmed Aidid Naeem, Muhammad Awais Fakeeha, Anis Hamza Abasaeed, Ahmed Elhag Alquraini, Abdullah Ali Kumar, Rawesh Barium-Promoted Yttria–Zirconia-Supported Ni Catalyst for Hydrogen Production via the Dry Reforming of Methane: Role of Barium in the Phase Stabilization of Cubic ZrO(2) |
title | Barium-Promoted Yttria–Zirconia-Supported Ni Catalyst for
Hydrogen Production via the Dry Reforming of Methane: Role of Barium
in the Phase Stabilization of Cubic ZrO(2) |
title_full | Barium-Promoted Yttria–Zirconia-Supported Ni Catalyst for
Hydrogen Production via the Dry Reforming of Methane: Role of Barium
in the Phase Stabilization of Cubic ZrO(2) |
title_fullStr | Barium-Promoted Yttria–Zirconia-Supported Ni Catalyst for
Hydrogen Production via the Dry Reforming of Methane: Role of Barium
in the Phase Stabilization of Cubic ZrO(2) |
title_full_unstemmed | Barium-Promoted Yttria–Zirconia-Supported Ni Catalyst for
Hydrogen Production via the Dry Reforming of Methane: Role of Barium
in the Phase Stabilization of Cubic ZrO(2) |
title_short | Barium-Promoted Yttria–Zirconia-Supported Ni Catalyst for
Hydrogen Production via the Dry Reforming of Methane: Role of Barium
in the Phase Stabilization of Cubic ZrO(2) |
title_sort | barium-promoted yttria–zirconia-supported ni catalyst for
hydrogen production via the dry reforming of methane: role of barium
in the phase stabilization of cubic zro(2) |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9118375/ https://www.ncbi.nlm.nih.gov/pubmed/35601323 http://dx.doi.org/10.1021/acsomega.2c00471 |
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