Methane catalytic reforming by carbon dioxide on Mg–Al oxides prepared by hydrotalcite route with different surfactants (CTAB, glucose, P123) or with intercalation of SBA-15 and impregnated by nickel
Four magnesium–aluminum mixed oxides were synthesized by the hydrotalcite route using four modifying agents (three surfactants: glucose, CTAB, and P123, as well as silica SBA-15), and then calcined at 550 °C. Physicochemical characterizations were conducted before and after calcination. X-ray diffra...
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| Format: | Article |
| Language: | English |
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Académie des sciences
2020-12-01
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| Series: | Comptes Rendus. Chimie |
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| Online Access: | https://comptes-rendus.academie-sciences.fr/chimie/articles/10.5802/crchim.49/ |
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| author | Tanios, Carole Saadeh, Yara Labaki, Madona Boutros, Maya Gennequin, Cédric Tidahy, Haingomalala Lucette Aboukaïs, Antoine Abi-Aad, Edmond |
| author_facet | Tanios, Carole Saadeh, Yara Labaki, Madona Boutros, Maya Gennequin, Cédric Tidahy, Haingomalala Lucette Aboukaïs, Antoine Abi-Aad, Edmond |
| author_sort | Tanios, Carole |
| collection | DOAJ |
| description | Four magnesium–aluminum mixed oxides were synthesized by the hydrotalcite route using four modifying agents (three surfactants: glucose, CTAB, and P123, as well as silica SBA-15), and then calcined at 550 °C. Physicochemical characterizations were conducted before and after calcination. X-ray diffraction (XRD), differential thermal and gravimetric analyses (DTA/TGA), and Fourier Transform Infrared Spectroscopy (FTIR) showed that the hydrotalcite structure was obtained even in the presence of a modifying agent. This structure was converted into mixed oxides upon calcination where the pore size distribution was more homogeneous in the presence of a modifying agent. Nickel was impregnated on these oxides and then the catalytic performances of the obtained catalysts were tested in the dry reforming of methane as a model for biogas reforming. In our conditions, the catalyst based on SBA-15 did not show any catalytic activity whereas good catalytic activities and high carbon balances were obtained for the samples prepared with the three surfactants. The effect of a surfactant is mainly the slight enhancement of the carbon balance due to higher nickel species dispersion. It is suggested to put into evidence this slight enhancement by time on stream studies, where the formation of a lower amount of carbon and longer lifetime for catalysts elaborated with surfactants is expected. |
| first_indexed | 2024-03-11T16:14:21Z |
| format | Article |
| id | doaj.art-904f474c57ce4816b590f255dbf157d5 |
| institution | Directory Open Access Journal |
| issn | 1878-1543 |
| language | English |
| last_indexed | 2024-03-11T16:14:21Z |
| publishDate | 2020-12-01 |
| publisher | Académie des sciences |
| record_format | Article |
| series | Comptes Rendus. Chimie |
| spelling | doaj.art-904f474c57ce4816b590f255dbf157d52023-10-24T14:22:39ZengAcadémie des sciencesComptes Rendus. Chimie1878-15432020-12-012311-1265367010.5802/crchim.4910.5802/crchim.49Methane catalytic reforming by carbon dioxide on Mg–Al oxides prepared by hydrotalcite route with different surfactants (CTAB, glucose, P123) or with intercalation of SBA-15 and impregnated by nickelTanios, Carole0Saadeh, Yara1Labaki, Madona2Boutros, Maya3Gennequin, Cédric4Tidahy, Haingomalala Lucette5Aboukaïs, Antoine6Abi-Aad, Edmond7Unité de Chimie Environnementale et Interactions sur le Vivant (UCEIV, E.A. 4492), MREI, Université du Littoral Côte d’Opale (ULCO), F-59140 Dunkerque, France; Laboratory of Physical Chemistry of Materials (LCPM)/PR2N, Faculty of Sciences, Lebanese University, Fanar, PO Box 90656 Jdeidet El Metn, LebanonUnité de Chimie Environnementale et Interactions sur le Vivant (UCEIV, E.A. 4492), MREI, Université du Littoral Côte d’Opale (ULCO), F-59140 Dunkerque, France; Laboratory of Physical Chemistry of Materials (LCPM)/PR2N, Faculty of Sciences, Lebanese University, Fanar, PO Box 90656 Jdeidet El Metn, LebanonLaboratory of Physical Chemistry of Materials (LCPM)/PR2N, Faculty of Sciences, Lebanese University, Fanar, PO Box 90656 Jdeidet El Metn, LebanonLaboratory of Physical Chemistry of Materials (LCPM)/PR2N, Faculty of Sciences, Lebanese University, Fanar, PO Box 90656 Jdeidet El Metn, LebanonUnité de Chimie Environnementale et Interactions sur le Vivant (UCEIV, E.A. 4492), MREI, Université du Littoral Côte d’Opale (ULCO), F-59140 Dunkerque, FranceUnité de Chimie Environnementale et Interactions sur le Vivant (UCEIV, E.A. 4492), MREI, Université du Littoral Côte d’Opale (ULCO), F-59140 Dunkerque, FranceUnité de Chimie Environnementale et Interactions sur le Vivant (UCEIV, E.A. 4492), MREI, Université du Littoral Côte d’Opale (ULCO), F-59140 Dunkerque, FranceUnité de Chimie Environnementale et Interactions sur le Vivant (UCEIV, E.A. 4492), MREI, Université du Littoral Côte d’Opale (ULCO), F-59140 Dunkerque, FranceFour magnesium–aluminum mixed oxides were synthesized by the hydrotalcite route using four modifying agents (three surfactants: glucose, CTAB, and P123, as well as silica SBA-15), and then calcined at 550 °C. Physicochemical characterizations were conducted before and after calcination. X-ray diffraction (XRD), differential thermal and gravimetric analyses (DTA/TGA), and Fourier Transform Infrared Spectroscopy (FTIR) showed that the hydrotalcite structure was obtained even in the presence of a modifying agent. This structure was converted into mixed oxides upon calcination where the pore size distribution was more homogeneous in the presence of a modifying agent. Nickel was impregnated on these oxides and then the catalytic performances of the obtained catalysts were tested in the dry reforming of methane as a model for biogas reforming. In our conditions, the catalyst based on SBA-15 did not show any catalytic activity whereas good catalytic activities and high carbon balances were obtained for the samples prepared with the three surfactants. The effect of a surfactant is mainly the slight enhancement of the carbon balance due to higher nickel species dispersion. It is suggested to put into evidence this slight enhancement by time on stream studies, where the formation of a lower amount of carbon and longer lifetime for catalysts elaborated with surfactants is expected.https://comptes-rendus.academie-sciences.fr/chimie/articles/10.5802/crchim.49/Dry reformingMg–Al hydrotalciteMethaneNickelSBA-15Surfactants |
| spellingShingle | Tanios, Carole Saadeh, Yara Labaki, Madona Boutros, Maya Gennequin, Cédric Tidahy, Haingomalala Lucette Aboukaïs, Antoine Abi-Aad, Edmond Methane catalytic reforming by carbon dioxide on Mg–Al oxides prepared by hydrotalcite route with different surfactants (CTAB, glucose, P123) or with intercalation of SBA-15 and impregnated by nickel Comptes Rendus. Chimie Dry reforming Mg–Al hydrotalcite Methane Nickel SBA-15 Surfactants |
| title | Methane catalytic reforming by carbon dioxide on Mg–Al oxides prepared by hydrotalcite route with different surfactants (CTAB, glucose, P123) or with intercalation of SBA-15 and impregnated by nickel |
| title_full | Methane catalytic reforming by carbon dioxide on Mg–Al oxides prepared by hydrotalcite route with different surfactants (CTAB, glucose, P123) or with intercalation of SBA-15 and impregnated by nickel |
| title_fullStr | Methane catalytic reforming by carbon dioxide on Mg–Al oxides prepared by hydrotalcite route with different surfactants (CTAB, glucose, P123) or with intercalation of SBA-15 and impregnated by nickel |
| title_full_unstemmed | Methane catalytic reforming by carbon dioxide on Mg–Al oxides prepared by hydrotalcite route with different surfactants (CTAB, glucose, P123) or with intercalation of SBA-15 and impregnated by nickel |
| title_short | Methane catalytic reforming by carbon dioxide on Mg–Al oxides prepared by hydrotalcite route with different surfactants (CTAB, glucose, P123) or with intercalation of SBA-15 and impregnated by nickel |
| title_sort | methane catalytic reforming by carbon dioxide on mg al oxides prepared by hydrotalcite route with different surfactants ctab glucose p123 or with intercalation of sba 15 and impregnated by nickel |
| topic | Dry reforming Mg–Al hydrotalcite Methane Nickel SBA-15 Surfactants |
| url | https://comptes-rendus.academie-sciences.fr/chimie/articles/10.5802/crchim.49/ |
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