High yield methane production from the hydrogenation of CO₂ using non-thermal plasma/catalysis
In this work, a dielectric barrier discharge (DBD) non-thermal plasma/catalytic reactor was used under a range of process conditions, designed to maximise the hydrogenation of CO₂ to methane. A Ni/Al₂O₃ catalyst was used in the plasma/catalysis reactor and the process parameters investigated were th...
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Elsevier
2025-08-01
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| Series: | Fuel Processing Technology |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S0378382025000529 |
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| author | Maryam Khatibi Paul T. Williams |
| author_facet | Maryam Khatibi Paul T. Williams |
| author_sort | Maryam Khatibi |
| collection | DOAJ |
| description | In this work, a dielectric barrier discharge (DBD) non-thermal plasma/catalytic reactor was used under a range of process conditions, designed to maximise the hydrogenation of CO₂ to methane. A Ni/Al₂O₃ catalyst was used in the plasma/catalysis reactor and the process parameters investigated were the effect of input plasma power, catalyst temperature, catalyst weight hourly space velocity (WHSV), and H₂/CO₂ ratio in relation to the methanation of CO₂. In addition, the effect of the catalyst active metal type (ruthenium, cobalt, and lanthanum) supported on Al₂O₃ under the optimum reaction conditions was investigated. The optimised system, using Ni/Al2O3, achieved a CO₂ conversion of 82.2 % with an energy efficiency of 22.5 gCO₂kWh−1, CH₄ selectivity of 90.2 % and energy efficiency of 7.4 gCH₄kWh−1 at the plasma input power of 70 W, catalyst temperature of 280 °C, catalyst WHSV of 768 ml/gcath, and H₂/CO₂ ratio of 4. The performance of the active catalyst metals in relation to CO₂ conversion to methane was Ru > Ni > Co > La. |
| format | Article |
| id | doaj-art-db6cf977277f4122a30df2aabfdf0747 |
| institution | DOAJ |
| issn | 0378-3820 |
| language | English |
| publishDate | 2025-08-01 |
| publisher | Elsevier |
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| series | Fuel Processing Technology |
| spelling | doaj-art-db6cf977277f4122a30df2aabfdf07472025-08-20T03:12:27ZengElsevierFuel Processing Technology0378-38202025-08-0127310822810.1016/j.fuproc.2025.108228High yield methane production from the hydrogenation of CO₂ using non-thermal plasma/catalysisMaryam Khatibi0Paul T. Williams1School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, UKCorresponding author.; School of Chemical and Process Engineering, University of Leeds, Leeds LS2 9JT, UKIn this work, a dielectric barrier discharge (DBD) non-thermal plasma/catalytic reactor was used under a range of process conditions, designed to maximise the hydrogenation of CO₂ to methane. A Ni/Al₂O₃ catalyst was used in the plasma/catalysis reactor and the process parameters investigated were the effect of input plasma power, catalyst temperature, catalyst weight hourly space velocity (WHSV), and H₂/CO₂ ratio in relation to the methanation of CO₂. In addition, the effect of the catalyst active metal type (ruthenium, cobalt, and lanthanum) supported on Al₂O₃ under the optimum reaction conditions was investigated. The optimised system, using Ni/Al2O3, achieved a CO₂ conversion of 82.2 % with an energy efficiency of 22.5 gCO₂kWh−1, CH₄ selectivity of 90.2 % and energy efficiency of 7.4 gCH₄kWh−1 at the plasma input power of 70 W, catalyst temperature of 280 °C, catalyst WHSV of 768 ml/gcath, and H₂/CO₂ ratio of 4. The performance of the active catalyst metals in relation to CO₂ conversion to methane was Ru > Ni > Co > La.http://www.sciencedirect.com/science/article/pii/S0378382025000529MethanationCO₂CatalystNon-thermal plasma |
| spellingShingle | Maryam Khatibi Paul T. Williams High yield methane production from the hydrogenation of CO₂ using non-thermal plasma/catalysis Fuel Processing Technology Methanation CO₂ Catalyst Non-thermal plasma |
| title | High yield methane production from the hydrogenation of CO₂ using non-thermal plasma/catalysis |
| title_full | High yield methane production from the hydrogenation of CO₂ using non-thermal plasma/catalysis |
| title_fullStr | High yield methane production from the hydrogenation of CO₂ using non-thermal plasma/catalysis |
| title_full_unstemmed | High yield methane production from the hydrogenation of CO₂ using non-thermal plasma/catalysis |
| title_short | High yield methane production from the hydrogenation of CO₂ using non-thermal plasma/catalysis |
| title_sort | high yield methane production from the hydrogenation of co₂ using non thermal plasma catalysis |
| topic | Methanation CO₂ Catalyst Non-thermal plasma |
| url | http://www.sciencedirect.com/science/article/pii/S0378382025000529 |
| work_keys_str_mv | AT maryamkhatibi highyieldmethaneproductionfromthehydrogenationofco2usingnonthermalplasmacatalysis AT paultwilliams highyieldmethaneproductionfromthehydrogenationofco2usingnonthermalplasmacatalysis |