Study of Syngas Conversion to Light Olefins by Response Surface Methodology
The effect of adding MgO to a precipitated iron-cobalt-manganese based Fischer-Tropsch synthesis (FTS) catalyst was investigated via response surface methodology. The catalytic performance of the catalysts was examined in a fixed bed microreactor at a total pressure of 1–7 bar, temperature of 280–38...
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| Format: | Article |
| Language: | English |
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Wiley
2013-01-01
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| Series: | Journal of Chemistry |
| Online Access: | http://dx.doi.org/10.1155/2013/945735 |
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| author | Hossein Atashi Mehdi Shiva Farshad Farshchi Tabrizi Ali Akbar Mirzaei |
| author_facet | Hossein Atashi Mehdi Shiva Farshad Farshchi Tabrizi Ali Akbar Mirzaei |
| author_sort | Hossein Atashi |
| collection | DOAJ |
| description | The effect of adding MgO to a precipitated iron-cobalt-manganese based Fischer-Tropsch synthesis (FTS) catalyst was investigated via response surface methodology. The catalytic performance of the catalysts was examined in a fixed bed microreactor at a total pressure of 1–7 bar, temperature of 280–380°C, MgO content of 5–25% and using a syngas having a H2 to CO ratio equal to 2.The dependence of the activity and product distribution on MgO content, temperature, and pressure was successfully correlated via full quadratic second-order polynomial equations. The statistical analysis and response surface demonstrations indicated that MgO significantly influences the CO conversion and chain growth probability as well as ethane, propane, propylene, butylene selectivity, and alkene/alkane ratio. A strong interaction between variables was also evidenced in some cases. The decreasing effect of pressure on alkene to alkane ratio is investigated through olefin readsorption effects and CO hydrogenation kinetics. Finally, a multiobjective optimization procedure was employed to calculate the best amount of MgO content in different reactor conditions. |
| format | Article |
| id | doaj-art-30b87f74335144d4bdd230d5ab0682d9 |
| institution | Kabale University |
| issn | 2090-9063 2090-9071 |
| language | English |
| publishDate | 2013-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Journal of Chemistry |
| spelling | doaj-art-30b87f74335144d4bdd230d5ab0682d92025-02-03T05:59:08ZengWileyJournal of Chemistry2090-90632090-90712013-01-01201310.1155/2013/945735945735Study of Syngas Conversion to Light Olefins by Response Surface MethodologyHossein Atashi0Mehdi Shiva1Farshad Farshchi Tabrizi2Ali Akbar Mirzaei3Department of Chemical Engineering, Faculty of Engineering, University of Sistan and Baluchestan, P.O. Box 98164, Zahedan, IranDepartment of Chemical Engineering, Faculty of Engineering, University of Sistan and Baluchestan, P.O. Box 98164, Zahedan, IranDepartment of Chemical Engineering, Faculty of Engineering, University of Sistan and Baluchestan, P.O. Box 98164, Zahedan, IranDepartment of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, P.O. Box 98135-674, Zahedan, IranThe effect of adding MgO to a precipitated iron-cobalt-manganese based Fischer-Tropsch synthesis (FTS) catalyst was investigated via response surface methodology. The catalytic performance of the catalysts was examined in a fixed bed microreactor at a total pressure of 1–7 bar, temperature of 280–380°C, MgO content of 5–25% and using a syngas having a H2 to CO ratio equal to 2.The dependence of the activity and product distribution on MgO content, temperature, and pressure was successfully correlated via full quadratic second-order polynomial equations. The statistical analysis and response surface demonstrations indicated that MgO significantly influences the CO conversion and chain growth probability as well as ethane, propane, propylene, butylene selectivity, and alkene/alkane ratio. A strong interaction between variables was also evidenced in some cases. The decreasing effect of pressure on alkene to alkane ratio is investigated through olefin readsorption effects and CO hydrogenation kinetics. Finally, a multiobjective optimization procedure was employed to calculate the best amount of MgO content in different reactor conditions.http://dx.doi.org/10.1155/2013/945735 |
| spellingShingle | Hossein Atashi Mehdi Shiva Farshad Farshchi Tabrizi Ali Akbar Mirzaei Study of Syngas Conversion to Light Olefins by Response Surface Methodology Journal of Chemistry |
| title | Study of Syngas Conversion to Light Olefins by Response Surface Methodology |
| title_full | Study of Syngas Conversion to Light Olefins by Response Surface Methodology |
| title_fullStr | Study of Syngas Conversion to Light Olefins by Response Surface Methodology |
| title_full_unstemmed | Study of Syngas Conversion to Light Olefins by Response Surface Methodology |
| title_short | Study of Syngas Conversion to Light Olefins by Response Surface Methodology |
| title_sort | study of syngas conversion to light olefins by response surface methodology |
| url | http://dx.doi.org/10.1155/2013/945735 |
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