Cu-embedded porous Al2O3 bifunctional catalyst derived from metal–organic framework for syngas-to-dimethyl ether
Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Guo, Yongle [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022transfer abstract |
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| Umfang: |
5 |
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| Übergeordnetes Werk: |
Enthalten in: Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions - Li, Daguang ELSEVIER, 2016, Beijing |
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| Übergeordnetes Werk: |
volume:33 ; year:2022 ; number:6 ; pages:2906-2910 ; extent:5 |
| Links: |
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| DOI / URN: |
10.1016/j.cclet.2021.10.031 |
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| 520 | |a Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. | ||
| 520 | |a Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. | ||
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10.1016/j.cclet.2021.10.031 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001776.pica (DE-627)ELV057752419 (ELSEVIER)S1001-8417(21)00871-8 DE-627 ger DE-627 rakwb eng 670 VZ 540 VZ 630 VZ Guo, Yongle verfasserin aut Cu-embedded porous Al2O3 bifunctional catalyst derived from metal–organic framework for syngas-to-dimethyl ether 2022transfer abstract 5 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. Feng, Lu oth Liu, Yuefeng oth Zhao, Zhongkui oth Enthalten in Institute of Materia Medica Li, Daguang ELSEVIER Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions 2016 Beijing (DE-627)ELV014303019 volume:33 year:2022 number:6 pages:2906-2910 extent:5 https://doi.org/10.1016/j.cclet.2021.10.031 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 GBV_ILN_69 AR 33 2022 6 2906-2910 5 |
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10.1016/j.cclet.2021.10.031 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001776.pica (DE-627)ELV057752419 (ELSEVIER)S1001-8417(21)00871-8 DE-627 ger DE-627 rakwb eng 670 VZ 540 VZ 630 VZ Guo, Yongle verfasserin aut Cu-embedded porous Al2O3 bifunctional catalyst derived from metal–organic framework for syngas-to-dimethyl ether 2022transfer abstract 5 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. Feng, Lu oth Liu, Yuefeng oth Zhao, Zhongkui oth Enthalten in Institute of Materia Medica Li, Daguang ELSEVIER Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions 2016 Beijing (DE-627)ELV014303019 volume:33 year:2022 number:6 pages:2906-2910 extent:5 https://doi.org/10.1016/j.cclet.2021.10.031 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 GBV_ILN_69 AR 33 2022 6 2906-2910 5 |
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10.1016/j.cclet.2021.10.031 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001776.pica (DE-627)ELV057752419 (ELSEVIER)S1001-8417(21)00871-8 DE-627 ger DE-627 rakwb eng 670 VZ 540 VZ 630 VZ Guo, Yongle verfasserin aut Cu-embedded porous Al2O3 bifunctional catalyst derived from metal–organic framework for syngas-to-dimethyl ether 2022transfer abstract 5 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. Feng, Lu oth Liu, Yuefeng oth Zhao, Zhongkui oth Enthalten in Institute of Materia Medica Li, Daguang ELSEVIER Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions 2016 Beijing (DE-627)ELV014303019 volume:33 year:2022 number:6 pages:2906-2910 extent:5 https://doi.org/10.1016/j.cclet.2021.10.031 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 GBV_ILN_69 AR 33 2022 6 2906-2910 5 |
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10.1016/j.cclet.2021.10.031 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001776.pica (DE-627)ELV057752419 (ELSEVIER)S1001-8417(21)00871-8 DE-627 ger DE-627 rakwb eng 670 VZ 540 VZ 630 VZ Guo, Yongle verfasserin aut Cu-embedded porous Al2O3 bifunctional catalyst derived from metal–organic framework for syngas-to-dimethyl ether 2022transfer abstract 5 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. Feng, Lu oth Liu, Yuefeng oth Zhao, Zhongkui oth Enthalten in Institute of Materia Medica Li, Daguang ELSEVIER Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions 2016 Beijing (DE-627)ELV014303019 volume:33 year:2022 number:6 pages:2906-2910 extent:5 https://doi.org/10.1016/j.cclet.2021.10.031 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 GBV_ILN_69 AR 33 2022 6 2906-2910 5 |
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10.1016/j.cclet.2021.10.031 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001776.pica (DE-627)ELV057752419 (ELSEVIER)S1001-8417(21)00871-8 DE-627 ger DE-627 rakwb eng 670 VZ 540 VZ 630 VZ Guo, Yongle verfasserin aut Cu-embedded porous Al2O3 bifunctional catalyst derived from metal–organic framework for syngas-to-dimethyl ether 2022transfer abstract 5 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. Feng, Lu oth Liu, Yuefeng oth Zhao, Zhongkui oth Enthalten in Institute of Materia Medica Li, Daguang ELSEVIER Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions 2016 Beijing (DE-627)ELV014303019 volume:33 year:2022 number:6 pages:2906-2910 extent:5 https://doi.org/10.1016/j.cclet.2021.10.031 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_40 GBV_ILN_69 AR 33 2022 6 2906-2910 5 |
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Enthalten in Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions Beijing volume:33 year:2022 number:6 pages:2906-2910 extent:5 |
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Enthalten in Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions Beijing volume:33 year:2022 number:6 pages:2906-2910 extent:5 |
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Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions |
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Enhanced upconversion emission and magnetization in Yb3+-Er3+/Ho3+ codoped Gd2O3 nanocrystals by introducing Zn2+ ions |
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cu-embedded porous al2o3 bifunctional catalyst derived from metal–organic framework for syngas-to-dimethyl ether |
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Cu-embedded porous Al2O3 bifunctional catalyst derived from metal–organic framework for syngas-to-dimethyl ether |
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Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. |
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Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. |
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Dimethyl ether (DME), as a promising alternative to diesel fuel and liquefied petroleum gas, has attracted considerable attention in catalysis domain. The catalytic direct synthesis of DME from syngas is an up-and-coming route but remains a challenge. In this work, we firstly prepared a Cu-embedded porous Al2O3 bifunctional catalyst (CuAl2O3-dp) by filling Cu-1,3,5-benzenetricarboxylate metal–organic framework (Cu-BTC MOF) with Al(OH)3 followed by a two-step calcination process (400 °C for 4 h and 600 °C for 1 h), exhibiting excellent catalytic performance for direct synthesis of DME from syngas. Cu@Al2O3-dp catalyst demonstrates much higher CO conversion (25.7% vs. 15.4%) and extremely higher DME selectivity (90.4% vs. 63.9%) with the increased catalytic stability compared to the supported Cu catalyst on MOF-derived porous Al2O3 (Cu/Al2O3) prepared by incipient wetness impregnation method, ascribed to the unique embedding-type structure, promoted Cu dispersion and stronger metal-support interaction. This work not only provides an efficient syngas-to-DME catalyst, but also paves a new way for designing highly-efficient core-shell bifunctional catalysts for diverse consecutive reactions. |
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Cu-embedded porous Al2O3 bifunctional catalyst derived from metal–organic framework for syngas-to-dimethyl ether |
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