Facilely fabricating Mg, Ca modified Co based ordered mesoporous catalysts for CO2 reforming of CH4: The effects of basic modifiers
Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Xu, Leilei [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
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2016transfer abstract |
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13 |
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| Übergeordnetes Werk: |
Enthalten in: External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs - Dedhia, Kavita ELSEVIER, 2018, official journal of the International Association for Hydrogen Energy, New York, NY [u.a.] |
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| Übergeordnetes Werk: |
volume:41 ; year:2016 ; number:39 ; day:19 ; month:10 ; pages:17348-17360 ; extent:13 |
| Links: |
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| DOI / URN: |
10.1016/j.ijhydene.2016.08.013 |
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| 520 | |a Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. | ||
| 520 | |a Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. | ||
| 650 | 7 | |a Co catalyst |2 Elsevier | |
| 650 | 7 | |a Methane |2 Elsevier | |
| 650 | 7 | |a CO2 reforming |2 Elsevier | |
| 650 | 7 | |a Basic modifier |2 Elsevier | |
| 650 | 7 | |a Ordered mesopore |2 Elsevier | |
| 700 | 1 | |a Zhang, Xing |4 oth | |
| 700 | 1 | |a Chen, Mindong |4 oth | |
| 700 | 1 | |a Qi, Lu |4 oth | |
| 700 | 1 | |a Nie, Dongyang |4 oth | |
| 700 | 1 | |a Ma, Yinghui |4 oth | |
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10.1016/j.ijhydene.2016.08.013 doi GBVA2016012000026.pica (DE-627)ELV014137410 (ELSEVIER)S0360-3199(16)32339-4 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Xu, Leilei verfasserin aut Facilely fabricating Mg, Ca modified Co based ordered mesoporous catalysts for CO2 reforming of CH4: The effects of basic modifiers 2016transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. Co catalyst Elsevier Methane Elsevier CO2 reforming Elsevier Basic modifier Elsevier Ordered mesopore Elsevier Zhang, Xing oth Chen, Mindong oth Qi, Lu oth Nie, Dongyang oth Ma, Yinghui oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:41 year:2016 number:39 day:19 month:10 pages:17348-17360 extent:13 https://doi.org/10.1016/j.ijhydene.2016.08.013 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 41 2016 39 19 1019 17348-17360 13 045F 660 |
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10.1016/j.ijhydene.2016.08.013 doi GBVA2016012000026.pica (DE-627)ELV014137410 (ELSEVIER)S0360-3199(16)32339-4 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Xu, Leilei verfasserin aut Facilely fabricating Mg, Ca modified Co based ordered mesoporous catalysts for CO2 reforming of CH4: The effects of basic modifiers 2016transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. Co catalyst Elsevier Methane Elsevier CO2 reforming Elsevier Basic modifier Elsevier Ordered mesopore Elsevier Zhang, Xing oth Chen, Mindong oth Qi, Lu oth Nie, Dongyang oth Ma, Yinghui oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:41 year:2016 number:39 day:19 month:10 pages:17348-17360 extent:13 https://doi.org/10.1016/j.ijhydene.2016.08.013 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 41 2016 39 19 1019 17348-17360 13 045F 660 |
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10.1016/j.ijhydene.2016.08.013 doi GBVA2016012000026.pica (DE-627)ELV014137410 (ELSEVIER)S0360-3199(16)32339-4 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Xu, Leilei verfasserin aut Facilely fabricating Mg, Ca modified Co based ordered mesoporous catalysts for CO2 reforming of CH4: The effects of basic modifiers 2016transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. Co catalyst Elsevier Methane Elsevier CO2 reforming Elsevier Basic modifier Elsevier Ordered mesopore Elsevier Zhang, Xing oth Chen, Mindong oth Qi, Lu oth Nie, Dongyang oth Ma, Yinghui oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:41 year:2016 number:39 day:19 month:10 pages:17348-17360 extent:13 https://doi.org/10.1016/j.ijhydene.2016.08.013 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 41 2016 39 19 1019 17348-17360 13 045F 660 |
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10.1016/j.ijhydene.2016.08.013 doi GBVA2016012000026.pica (DE-627)ELV014137410 (ELSEVIER)S0360-3199(16)32339-4 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Xu, Leilei verfasserin aut Facilely fabricating Mg, Ca modified Co based ordered mesoporous catalysts for CO2 reforming of CH4: The effects of basic modifiers 2016transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. Co catalyst Elsevier Methane Elsevier CO2 reforming Elsevier Basic modifier Elsevier Ordered mesopore Elsevier Zhang, Xing oth Chen, Mindong oth Qi, Lu oth Nie, Dongyang oth Ma, Yinghui oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:41 year:2016 number:39 day:19 month:10 pages:17348-17360 extent:13 https://doi.org/10.1016/j.ijhydene.2016.08.013 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 41 2016 39 19 1019 17348-17360 13 045F 660 |
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10.1016/j.ijhydene.2016.08.013 doi GBVA2016012000026.pica (DE-627)ELV014137410 (ELSEVIER)S0360-3199(16)32339-4 DE-627 ger DE-627 rakwb eng 660 620 660 DE-600 620 DE-600 610 VZ 44.94 bkl Xu, Leilei verfasserin aut Facilely fabricating Mg, Ca modified Co based ordered mesoporous catalysts for CO2 reforming of CH4: The effects of basic modifiers 2016transfer abstract 13 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. Co catalyst Elsevier Methane Elsevier CO2 reforming Elsevier Basic modifier Elsevier Ordered mesopore Elsevier Zhang, Xing oth Chen, Mindong oth Qi, Lu oth Nie, Dongyang oth Ma, Yinghui oth Enthalten in Elsevier Dedhia, Kavita ELSEVIER External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs 2018 official journal of the International Association for Hydrogen Energy New York, NY [u.a.] (DE-627)ELV000127019 volume:41 year:2016 number:39 day:19 month:10 pages:17348-17360 extent:13 https://doi.org/10.1016/j.ijhydene.2016.08.013 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.94 Hals-Nasen-Ohrenheilkunde VZ AR 41 2016 39 19 1019 17348-17360 13 045F 660 |
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Facilely fabricating Mg, Ca modified Co based ordered mesoporous catalysts for CO2 reforming of CH4: The effects of basic modifiers |
| abstract |
Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. |
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Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. |
| abstract_unstemmed |
Co based catalysts have been widely investigated as the catalysts for carbon dioxide reforming of methane (CRM) reaction due to outstanding coke-resistant capacity. Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction. |
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Herein, a series of Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers had been designed and fabricated by facile evaporation induced self-assembly (EISA) strategy. The obtained materials were systematically characterized by X-ray diffraction (XRD), N2 adsorption–desorption analysis, transmission electron microscope (TEM), X-ray photoelectron spectroscopy (XPS), H2 temperature programmed reduction (H2-TPR), and CO2 temperature programmed desorption (CO2-TPD). The characterization results demonstrated that these materials calcined at 700 °C possessed relatively large surface areas (130.0–150.0 m2/g), big pore volume (0.30 cm3/g), narrow pore size distribution (9.5–11.0 nm), and uniform mesoporous channels. Due to these good textural properties and unobstructed mesoporous channels, these materials could accommodate the gaseous reactants with sufficiently accessible Co active sites, thus showing high catalytic activity toward CRM reaction. Besides, the Co active centers were in situ incorporated into and stabilized by the mesoporous framework. Therefore, the thermal agglomeration of the metallic Co nanoparticles during the CRM reaction could be effectively suppressed, displaying excellent catalytic stability. For the Mg and Ca basic modifiers, their incorporation greatly strengthened the surface basicity and intensified the chemisorption of CO2, which would be helpful in accelerating the surface coke elimination process. Therefore, these Co based ordered mesoporous materials incorporated with Mg and Ca basic modifiers could be considered as potential catalysts for CRM reaction.</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Co catalyst</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Methane</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">CO2 reforming</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Basic modifier</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="650" ind1=" " ind2="7"><subfield code="a">Ordered mesopore</subfield><subfield code="2">Elsevier</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhang, Xing</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Chen, Mindong</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Qi, Lu</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Nie, Dongyang</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Ma, Yinghui</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="n">Elsevier</subfield><subfield code="a">Dedhia, Kavita ELSEVIER</subfield><subfield code="t">External auditory canal: Inferior, posterior-inferior, and anterior canal wall overhangs</subfield><subfield code="d">2018</subfield><subfield code="d">official journal of the International Association for Hydrogen Energy</subfield><subfield code="g">New York, NY [u.a.]</subfield><subfield code="w">(DE-627)ELV000127019</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:41</subfield><subfield code="g">year:2016</subfield><subfield code="g">number:39</subfield><subfield code="g">day:19</subfield><subfield code="g">month:10</subfield><subfield code="g">pages:17348-17360</subfield><subfield code="g">extent:13</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">https://doi.org/10.1016/j.ijhydene.2016.08.013</subfield><subfield code="3">Volltext</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_ELV</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SYSFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">SSG-OLC-PHA</subfield></datafield><datafield tag="936" ind1="b" ind2="k"><subfield code="a">44.94</subfield><subfield code="j">Hals-Nasen-Ohrenheilkunde</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">41</subfield><subfield code="j">2016</subfield><subfield code="e">39</subfield><subfield code="b">19</subfield><subfield code="c">1019</subfield><subfield code="h">17348-17360</subfield><subfield code="g">13</subfield></datafield><datafield tag="953" ind1=" " ind2=" "><subfield code="2">045F</subfield><subfield code="a">660</subfield></datafield></record></collection>
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