Contribution of Oxide Supports in Nickel-Based Catalytic Elimination of Greenhouse Gases and Generation of Syngas
Carbon dioxide and/or dry methane reforming serves as an effective pathway to mitigate these greenhouse gases. This work evaluates different oxide supports including alumina, Y-zeolite and H-ZSM-5 zeolite for the catalysis of dry reforming methane with Nickel (Ni). The composite catalysts were prepa...
| Main Authors: | , , , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2021-11-01
|
| Series: | Energies |
| Subjects: | |
| Online Access: | https://www.mdpi.com/1996-1073/14/21/7324 |
| _version_ | 1797410889398222848 |
|---|---|
| author | Wasim Ullah Khan Mohammad Rizwan Khan Rosa Busquets Naushad Ahmad |
| author_facet | Wasim Ullah Khan Mohammad Rizwan Khan Rosa Busquets Naushad Ahmad |
| author_sort | Wasim Ullah Khan |
| collection | DOAJ |
| description | Carbon dioxide and/or dry methane reforming serves as an effective pathway to mitigate these greenhouse gases. This work evaluates different oxide supports including alumina, Y-zeolite and H-ZSM-5 zeolite for the catalysis of dry reforming methane with Nickel (Ni). The composite catalysts were prepared by impregnating the supports with Ni (5%) and followed by calcination. The zeolite supported catalysts exhibited more reducibility and basicity compared to the alumina supported catalysts, this was assessed with temperature programmed reduction using hydrogen and desorption using carbon dioxide. The catalytic activity, in terms of CH<sub>4</sub> conversion, indicated that 5 wt% Ni supported on alumina exhibited higher CH<sub>4</sub> conversion (80.5%) than when supported on Y-zeolite (71.8%) or H-ZSM-5 (78.5%). In contrast, the H-ZSM-5 catalyst led to higher CO<sub>2</sub> conversion (87.3%) than Y-zeolite (68.4%) and alumina (83.9%) supported catalysts. The stability tests for 9 h time-on-stream showed that Ni supported with H-ZSM-5 had less deactivation (just 2%) due to carbon deposition. The characterization of spent catalysts using temperature programmed oxidation (O<sub>2</sub>-TPO), X-ray diffraction (XRD) and thermo-gravimetric analysis (TGA) revealed that carbon deposition was a main cause of deactivation and that it occurred in the lowest degree on the Ni H-ZSM-5 catalyst. |
| first_indexed | 2024-03-09T04:36:46Z |
| format | Article |
| id | doaj.art-4e1888effaa146db8f9805557226657f |
| institution | Directory Open Access Journal |
| issn | 1996-1073 |
| language | English |
| last_indexed | 2024-03-09T04:36:46Z |
| publishDate | 2021-11-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Energies |
| spelling | doaj.art-4e1888effaa146db8f9805557226657f2023-12-03T13:26:22ZengMDPI AGEnergies1996-10732021-11-011421732410.3390/en14217324Contribution of Oxide Supports in Nickel-Based Catalytic Elimination of Greenhouse Gases and Generation of SyngasWasim Ullah Khan0Mohammad Rizwan Khan1Rosa Busquets2Naushad Ahmad3Chemical and Process Engineering, College of Engineering, University of Canterbury, Christchurch 8041, New ZealandDepartment of Chemistry, College of Science, King Saud University, P.O. Box. 2454, Riyadh 11451, Saudi ArabiaSchool of Life Sciences, Pharmacy and Chemistry, Kingston University London, Penrhyn Road, Kingston Upon Thames KTI 2EE, UKDepartment of Chemistry, College of Science, King Saud University, P.O. Box. 2454, Riyadh 11451, Saudi ArabiaCarbon dioxide and/or dry methane reforming serves as an effective pathway to mitigate these greenhouse gases. This work evaluates different oxide supports including alumina, Y-zeolite and H-ZSM-5 zeolite for the catalysis of dry reforming methane with Nickel (Ni). The composite catalysts were prepared by impregnating the supports with Ni (5%) and followed by calcination. The zeolite supported catalysts exhibited more reducibility and basicity compared to the alumina supported catalysts, this was assessed with temperature programmed reduction using hydrogen and desorption using carbon dioxide. The catalytic activity, in terms of CH<sub>4</sub> conversion, indicated that 5 wt% Ni supported on alumina exhibited higher CH<sub>4</sub> conversion (80.5%) than when supported on Y-zeolite (71.8%) or H-ZSM-5 (78.5%). In contrast, the H-ZSM-5 catalyst led to higher CO<sub>2</sub> conversion (87.3%) than Y-zeolite (68.4%) and alumina (83.9%) supported catalysts. The stability tests for 9 h time-on-stream showed that Ni supported with H-ZSM-5 had less deactivation (just 2%) due to carbon deposition. The characterization of spent catalysts using temperature programmed oxidation (O<sub>2</sub>-TPO), X-ray diffraction (XRD) and thermo-gravimetric analysis (TGA) revealed that carbon deposition was a main cause of deactivation and that it occurred in the lowest degree on the Ni H-ZSM-5 catalyst.https://www.mdpi.com/1996-1073/14/21/7324CO<sub>2</sub>CH<sub>4</sub>stabilityH-ZSM-5carbon depositiongreenhouse gas reduction |
| spellingShingle | Wasim Ullah Khan Mohammad Rizwan Khan Rosa Busquets Naushad Ahmad Contribution of Oxide Supports in Nickel-Based Catalytic Elimination of Greenhouse Gases and Generation of Syngas Energies CO<sub>2</sub> CH<sub>4</sub> stability H-ZSM-5 carbon deposition greenhouse gas reduction |
| title | Contribution of Oxide Supports in Nickel-Based Catalytic Elimination of Greenhouse Gases and Generation of Syngas |
| title_full | Contribution of Oxide Supports in Nickel-Based Catalytic Elimination of Greenhouse Gases and Generation of Syngas |
| title_fullStr | Contribution of Oxide Supports in Nickel-Based Catalytic Elimination of Greenhouse Gases and Generation of Syngas |
| title_full_unstemmed | Contribution of Oxide Supports in Nickel-Based Catalytic Elimination of Greenhouse Gases and Generation of Syngas |
| title_short | Contribution of Oxide Supports in Nickel-Based Catalytic Elimination of Greenhouse Gases and Generation of Syngas |
| title_sort | contribution of oxide supports in nickel based catalytic elimination of greenhouse gases and generation of syngas |
| topic | CO<sub>2</sub> CH<sub>4</sub> stability H-ZSM-5 carbon deposition greenhouse gas reduction |
| url | https://www.mdpi.com/1996-1073/14/21/7324 |
| work_keys_str_mv | AT wasimullahkhan contributionofoxidesupportsinnickelbasedcatalyticeliminationofgreenhousegasesandgenerationofsyngas AT mohammadrizwankhan contributionofoxidesupportsinnickelbasedcatalyticeliminationofgreenhousegasesandgenerationofsyngas AT rosabusquets contributionofoxidesupportsinnickelbasedcatalyticeliminationofgreenhousegasesandgenerationofsyngas AT naushadahmad contributionofoxidesupportsinnickelbasedcatalyticeliminationofgreenhousegasesandgenerationofsyngas |