Efficient conversion of glycerol to aromatics over stable nanosized x-ZF/ZM-y catalysts using ZIF-8 as a template
A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Pan, Donghui [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Functionalized rGO as covalent crosslinkers for constructing chemically stable polysulfone-based anion exchange membranes with enhanced ion conductivity - Bai, Yang ELSEVIER, 2018, an international journal devoted to catalytic science and its applications, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:643 ; year:2022 ; day:5 ; month:08 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.apcata.2022.118761 |
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ELV05859230X |
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| 245 | 1 | 0 | |a Efficient conversion of glycerol to aromatics over stable nanosized x-ZF/ZM-y catalysts using ZIF-8 as a template |
| 264 | 1 | |c 2022transfer abstract | |
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| 520 | |a A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. | ||
| 520 | |a A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. | ||
| 650 | 7 | |a ZIF-8 |2 Elsevier | |
| 650 | 7 | |a Nanosized HZSM-5 zeolite |2 Elsevier | |
| 650 | 7 | |a Glycerol to aromatics |2 Elsevier | |
| 650 | 7 | |a Coke formation |2 Elsevier | |
| 700 | 1 | |a Jing, Xiaohua |4 oth | |
| 700 | 1 | |a Guo, Jiuli |4 oth | |
| 700 | 1 | |a Ding, Kexin |4 oth | |
| 700 | 1 | |a Hou, Fengjun |4 oth | |
| 700 | 1 | |a Li, Jingjing |4 oth | |
| 700 | 1 | |a Wei, Yuxin |4 oth | |
| 700 | 1 | |a Du, Jimin |4 oth | |
| 700 | 1 | |a Xiao, Guomin |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Bai, Yang ELSEVIER |t Functionalized rGO as covalent crosslinkers for constructing chemically stable polysulfone-based anion exchange membranes with enhanced ion conductivity |d 2018 |d an international journal devoted to catalytic science and its applications |g Amsterdam [u.a.] |w (DE-627)ELV001102958 |
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10.1016/j.apcata.2022.118761 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001932.pica (DE-627)ELV05859230X (ELSEVIER)S0926-860X(22)00284-8 DE-627 ger DE-627 rakwb eng 570 VZ 58.11 bkl Pan, Donghui verfasserin aut Efficient conversion of glycerol to aromatics over stable nanosized x-ZF/ZM-y catalysts using ZIF-8 as a template 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. ZIF-8 Elsevier Nanosized HZSM-5 zeolite Elsevier Glycerol to aromatics Elsevier Coke formation Elsevier Jing, Xiaohua oth Guo, Jiuli oth Ding, Kexin oth Hou, Fengjun oth Li, Jingjing oth Wei, Yuxin oth Du, Jimin oth Xiao, Guomin oth Enthalten in Elsevier Science Bai, Yang ELSEVIER Functionalized rGO as covalent crosslinkers for constructing chemically stable polysulfone-based anion exchange membranes with enhanced ion conductivity 2018 an international journal devoted to catalytic science and its applications Amsterdam [u.a.] (DE-627)ELV001102958 volume:643 year:2022 day:5 month:08 pages:0 https://doi.org/10.1016/j.apcata.2022.118761 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 58.11 Mechanische Verfahrenstechnik VZ AR 643 2022 5 0805 0 |
| spelling |
10.1016/j.apcata.2022.118761 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001932.pica (DE-627)ELV05859230X (ELSEVIER)S0926-860X(22)00284-8 DE-627 ger DE-627 rakwb eng 570 VZ 58.11 bkl Pan, Donghui verfasserin aut Efficient conversion of glycerol to aromatics over stable nanosized x-ZF/ZM-y catalysts using ZIF-8 as a template 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. ZIF-8 Elsevier Nanosized HZSM-5 zeolite Elsevier Glycerol to aromatics Elsevier Coke formation Elsevier Jing, Xiaohua oth Guo, Jiuli oth Ding, Kexin oth Hou, Fengjun oth Li, Jingjing oth Wei, Yuxin oth Du, Jimin oth Xiao, Guomin oth Enthalten in Elsevier Science Bai, Yang ELSEVIER Functionalized rGO as covalent crosslinkers for constructing chemically stable polysulfone-based anion exchange membranes with enhanced ion conductivity 2018 an international journal devoted to catalytic science and its applications Amsterdam [u.a.] (DE-627)ELV001102958 volume:643 year:2022 day:5 month:08 pages:0 https://doi.org/10.1016/j.apcata.2022.118761 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 58.11 Mechanische Verfahrenstechnik VZ AR 643 2022 5 0805 0 |
| allfields_unstemmed |
10.1016/j.apcata.2022.118761 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001932.pica (DE-627)ELV05859230X (ELSEVIER)S0926-860X(22)00284-8 DE-627 ger DE-627 rakwb eng 570 VZ 58.11 bkl Pan, Donghui verfasserin aut Efficient conversion of glycerol to aromatics over stable nanosized x-ZF/ZM-y catalysts using ZIF-8 as a template 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. ZIF-8 Elsevier Nanosized HZSM-5 zeolite Elsevier Glycerol to aromatics Elsevier Coke formation Elsevier Jing, Xiaohua oth Guo, Jiuli oth Ding, Kexin oth Hou, Fengjun oth Li, Jingjing oth Wei, Yuxin oth Du, Jimin oth Xiao, Guomin oth Enthalten in Elsevier Science Bai, Yang ELSEVIER Functionalized rGO as covalent crosslinkers for constructing chemically stable polysulfone-based anion exchange membranes with enhanced ion conductivity 2018 an international journal devoted to catalytic science and its applications Amsterdam [u.a.] (DE-627)ELV001102958 volume:643 year:2022 day:5 month:08 pages:0 https://doi.org/10.1016/j.apcata.2022.118761 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 58.11 Mechanische Verfahrenstechnik VZ AR 643 2022 5 0805 0 |
| allfieldsGer |
10.1016/j.apcata.2022.118761 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001932.pica (DE-627)ELV05859230X (ELSEVIER)S0926-860X(22)00284-8 DE-627 ger DE-627 rakwb eng 570 VZ 58.11 bkl Pan, Donghui verfasserin aut Efficient conversion of glycerol to aromatics over stable nanosized x-ZF/ZM-y catalysts using ZIF-8 as a template 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. ZIF-8 Elsevier Nanosized HZSM-5 zeolite Elsevier Glycerol to aromatics Elsevier Coke formation Elsevier Jing, Xiaohua oth Guo, Jiuli oth Ding, Kexin oth Hou, Fengjun oth Li, Jingjing oth Wei, Yuxin oth Du, Jimin oth Xiao, Guomin oth Enthalten in Elsevier Science Bai, Yang ELSEVIER Functionalized rGO as covalent crosslinkers for constructing chemically stable polysulfone-based anion exchange membranes with enhanced ion conductivity 2018 an international journal devoted to catalytic science and its applications Amsterdam [u.a.] (DE-627)ELV001102958 volume:643 year:2022 day:5 month:08 pages:0 https://doi.org/10.1016/j.apcata.2022.118761 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 58.11 Mechanische Verfahrenstechnik VZ AR 643 2022 5 0805 0 |
| allfieldsSound |
10.1016/j.apcata.2022.118761 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001932.pica (DE-627)ELV05859230X (ELSEVIER)S0926-860X(22)00284-8 DE-627 ger DE-627 rakwb eng 570 VZ 58.11 bkl Pan, Donghui verfasserin aut Efficient conversion of glycerol to aromatics over stable nanosized x-ZF/ZM-y catalysts using ZIF-8 as a template 2022transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. ZIF-8 Elsevier Nanosized HZSM-5 zeolite Elsevier Glycerol to aromatics Elsevier Coke formation Elsevier Jing, Xiaohua oth Guo, Jiuli oth Ding, Kexin oth Hou, Fengjun oth Li, Jingjing oth Wei, Yuxin oth Du, Jimin oth Xiao, Guomin oth Enthalten in Elsevier Science Bai, Yang ELSEVIER Functionalized rGO as covalent crosslinkers for constructing chemically stable polysulfone-based anion exchange membranes with enhanced ion conductivity 2018 an international journal devoted to catalytic science and its applications Amsterdam [u.a.] (DE-627)ELV001102958 volume:643 year:2022 day:5 month:08 pages:0 https://doi.org/10.1016/j.apcata.2022.118761 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 58.11 Mechanische Verfahrenstechnik VZ AR 643 2022 5 0805 0 |
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Enthalten in Functionalized rGO as covalent crosslinkers for constructing chemically stable polysulfone-based anion exchange membranes with enhanced ion conductivity Amsterdam [u.a.] volume:643 year:2022 day:5 month:08 pages:0 |
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Enthalten in Functionalized rGO as covalent crosslinkers for constructing chemically stable polysulfone-based anion exchange membranes with enhanced ion conductivity Amsterdam [u.a.] volume:643 year:2022 day:5 month:08 pages:0 |
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Pan, Donghui @@aut@@ Jing, Xiaohua @@oth@@ Guo, Jiuli @@oth@@ Ding, Kexin @@oth@@ Hou, Fengjun @@oth@@ Li, Jingjing @@oth@@ Wei, Yuxin @@oth@@ Du, Jimin @@oth@@ Xiao, Guomin @@oth@@ |
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Pan, Donghui |
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efficient conversion of glycerol to aromatics over stable nanosized x-zf/zm-y catalysts using zif-8 as a template |
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Efficient conversion of glycerol to aromatics over stable nanosized x-ZF/ZM-y catalysts using ZIF-8 as a template |
| abstract |
A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. |
| abstractGer |
A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. |
| abstract_unstemmed |
A series of novel nanosized x-ZF/ZM-y zeolites for glycerol to aromatics (GTA) were synthesized by using ZIF-8 as a template. The crystallization time and ZIF-8 dosage were systematically studied to clarify the crystallization process, structural characteristics and physicochemical properties of the prepared x-ZF/ZM-y. The results indicated that the growth of x-ZF/ZM-y zeolites involved two stages: attachment-impregnation and crystallization. The addition of ZIF-8 could introduce the active Zn species (ZnOH+) and induce the formation of smaller HZSM-5 nanocrystals in x-ZF/ZM-y, which could effectively facilitate the dehydrogenation-aromatization and aldol condensation steps in GTA and enhance the coke resistance. Furthermore, the ZIF-8 dosage had important influences on the catalytic performances of x-ZF/ZM-y. In particular, the 0.45-ZF/ZM-48 with 0.45 g ZIF-8 dosage and 48 h crystallization time all existed as nanocrystals of 20–40 nm, and possessed a proper redistribution of acid sites, resulting in 59.5% total aromatics yield and 11 h catalyst lifetime over 0.45-ZF/ZM-48 owing to the synergistic effect among the ZnOH+, inter-crystalline mesopores and HZSM-5 nanocrystals. |
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Efficient conversion of glycerol to aromatics over stable nanosized x-ZF/ZM-y catalysts using ZIF-8 as a template |
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