Improving ZIF-8 stability in the preparation process of polyimide-based organic solvent nanofiltration membrane
Recently, Zeolitic imidazolate framework-8 (ZIF-8) has drawn considerable attention in preparing mixed matrix membranes (MMMs) because of high specific surface area and unique pore structure. However, the structure degradation of ZIF-8 was found in the preparation process of a polyimide (PI)-based M...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Wang, Ze [verfasserIn] Si, Zhihao [verfasserIn] Cai, Di [verfasserIn] Li, Guozhen [verfasserIn] Li, Shufeng [verfasserIn] Qin, Peiyong [verfasserIn] Tan, Tianwei [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2019 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Separation and purification technology - Amsterdam [u.a.] : Elsevier Science, 1997, 227 |
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| Übergeordnetes Werk: |
volume:227 |
| DOI / URN: |
10.1016/j.seppur.2019.115687 |
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| Katalog-ID: |
ELV002564149 |
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| 245 | 1 | 0 | |a Improving ZIF-8 stability in the preparation process of polyimide-based organic solvent nanofiltration membrane |
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| 520 | |a Recently, Zeolitic imidazolate framework-8 (ZIF-8) has drawn considerable attention in preparing mixed matrix membranes (MMMs) because of high specific surface area and unique pore structure. However, the structure degradation of ZIF-8 was found in the preparation process of a polyimide (PI)-based MMM due to the protonation effect in an acid environment of polyamide acid (PAA) solution. Herein, a novel strategy was proposed to overcome this obstacle by transferring the coordinating linkers of ZIF-8 structure into carbon skeleton via direct carbonization. As expected, the unique framework of carbonized ZIF-8 (CZIF-8) was fully retained in MMM preparation process. Meanwhile, CZIF-8 provided preferential flow paths for the solvents because of improved porosity and enhanced sorption capacity for the MMMs. As a result, the 10 wt% CZIF-8/PI MMM exhibited a high rejection of >90% to congo red (MW of 696 g mol−1) and outstanding permeances of 16.52, 4.05 and 2.08 L m−2 h−1 bar−1 in water, ethanol and isopropanol, respectively. This method indicates the feasibility of the proposed strategy and effectively enables the ZIF-8 stability for practical applications in an acid environment. | ||
| 650 | 4 | |a Carbonized ZIF-8 | |
| 650 | 4 | |a Stability | |
| 650 | 4 | |a Organic solvent nanofiltration | |
| 650 | 4 | |a Polyimide | |
| 650 | 4 | |a Mixed matrix membrane | |
| 700 | 1 | |a Si, Zhihao |e verfasserin |4 aut | |
| 700 | 1 | |a Cai, Di |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Guozhen |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Shufeng |e verfasserin |4 aut | |
| 700 | 1 | |a Qin, Peiyong |e verfasserin |4 aut | |
| 700 | 1 | |a Tan, Tianwei |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Separation and purification technology |d Amsterdam [u.a.] : Elsevier Science, 1997 |g 227 |h Online-Ressource |w (DE-627)320620123 |w (DE-600)2022535-0 |w (DE-576)259485349 |7 nnns |
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| 936 | b | k | |a 58.11 |j Mechanische Verfahrenstechnik |
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2019 |
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10.1016/j.seppur.2019.115687 doi (DE-627)ELV002564149 (ELSEVIER)S1383-5866(19)31483-2 DE-627 ger DE-627 rda eng 540 DE-600 58.11 bkl 58.13 bkl Wang, Ze verfasserin aut Improving ZIF-8 stability in the preparation process of polyimide-based organic solvent nanofiltration membrane 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Recently, Zeolitic imidazolate framework-8 (ZIF-8) has drawn considerable attention in preparing mixed matrix membranes (MMMs) because of high specific surface area and unique pore structure. However, the structure degradation of ZIF-8 was found in the preparation process of a polyimide (PI)-based MMM due to the protonation effect in an acid environment of polyamide acid (PAA) solution. Herein, a novel strategy was proposed to overcome this obstacle by transferring the coordinating linkers of ZIF-8 structure into carbon skeleton via direct carbonization. As expected, the unique framework of carbonized ZIF-8 (CZIF-8) was fully retained in MMM preparation process. Meanwhile, CZIF-8 provided preferential flow paths for the solvents because of improved porosity and enhanced sorption capacity for the MMMs. As a result, the 10 wt% CZIF-8/PI MMM exhibited a high rejection of >90% to congo red (MW of 696 g mol−1) and outstanding permeances of 16.52, 4.05 and 2.08 L m−2 h−1 bar−1 in water, ethanol and isopropanol, respectively. This method indicates the feasibility of the proposed strategy and effectively enables the ZIF-8 stability for practical applications in an acid environment. Carbonized ZIF-8 Stability Organic solvent nanofiltration Polyimide Mixed matrix membrane Si, Zhihao verfasserin aut Cai, Di verfasserin aut Li, Guozhen verfasserin aut Li, Shufeng verfasserin aut Qin, Peiyong verfasserin aut Tan, Tianwei verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 227 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:227 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.11 Mechanische Verfahrenstechnik 58.13 Thermische Verfahrenstechnik AR 227 |
| spelling |
10.1016/j.seppur.2019.115687 doi (DE-627)ELV002564149 (ELSEVIER)S1383-5866(19)31483-2 DE-627 ger DE-627 rda eng 540 DE-600 58.11 bkl 58.13 bkl Wang, Ze verfasserin aut Improving ZIF-8 stability in the preparation process of polyimide-based organic solvent nanofiltration membrane 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Recently, Zeolitic imidazolate framework-8 (ZIF-8) has drawn considerable attention in preparing mixed matrix membranes (MMMs) because of high specific surface area and unique pore structure. However, the structure degradation of ZIF-8 was found in the preparation process of a polyimide (PI)-based MMM due to the protonation effect in an acid environment of polyamide acid (PAA) solution. Herein, a novel strategy was proposed to overcome this obstacle by transferring the coordinating linkers of ZIF-8 structure into carbon skeleton via direct carbonization. As expected, the unique framework of carbonized ZIF-8 (CZIF-8) was fully retained in MMM preparation process. Meanwhile, CZIF-8 provided preferential flow paths for the solvents because of improved porosity and enhanced sorption capacity for the MMMs. As a result, the 10 wt% CZIF-8/PI MMM exhibited a high rejection of >90% to congo red (MW of 696 g mol−1) and outstanding permeances of 16.52, 4.05 and 2.08 L m−2 h−1 bar−1 in water, ethanol and isopropanol, respectively. This method indicates the feasibility of the proposed strategy and effectively enables the ZIF-8 stability for practical applications in an acid environment. Carbonized ZIF-8 Stability Organic solvent nanofiltration Polyimide Mixed matrix membrane Si, Zhihao verfasserin aut Cai, Di verfasserin aut Li, Guozhen verfasserin aut Li, Shufeng verfasserin aut Qin, Peiyong verfasserin aut Tan, Tianwei verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 227 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:227 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.11 Mechanische Verfahrenstechnik 58.13 Thermische Verfahrenstechnik AR 227 |
| allfields_unstemmed |
10.1016/j.seppur.2019.115687 doi (DE-627)ELV002564149 (ELSEVIER)S1383-5866(19)31483-2 DE-627 ger DE-627 rda eng 540 DE-600 58.11 bkl 58.13 bkl Wang, Ze verfasserin aut Improving ZIF-8 stability in the preparation process of polyimide-based organic solvent nanofiltration membrane 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Recently, Zeolitic imidazolate framework-8 (ZIF-8) has drawn considerable attention in preparing mixed matrix membranes (MMMs) because of high specific surface area and unique pore structure. However, the structure degradation of ZIF-8 was found in the preparation process of a polyimide (PI)-based MMM due to the protonation effect in an acid environment of polyamide acid (PAA) solution. Herein, a novel strategy was proposed to overcome this obstacle by transferring the coordinating linkers of ZIF-8 structure into carbon skeleton via direct carbonization. As expected, the unique framework of carbonized ZIF-8 (CZIF-8) was fully retained in MMM preparation process. Meanwhile, CZIF-8 provided preferential flow paths for the solvents because of improved porosity and enhanced sorption capacity for the MMMs. As a result, the 10 wt% CZIF-8/PI MMM exhibited a high rejection of >90% to congo red (MW of 696 g mol−1) and outstanding permeances of 16.52, 4.05 and 2.08 L m−2 h−1 bar−1 in water, ethanol and isopropanol, respectively. This method indicates the feasibility of the proposed strategy and effectively enables the ZIF-8 stability for practical applications in an acid environment. Carbonized ZIF-8 Stability Organic solvent nanofiltration Polyimide Mixed matrix membrane Si, Zhihao verfasserin aut Cai, Di verfasserin aut Li, Guozhen verfasserin aut Li, Shufeng verfasserin aut Qin, Peiyong verfasserin aut Tan, Tianwei verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 227 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:227 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.11 Mechanische Verfahrenstechnik 58.13 Thermische Verfahrenstechnik AR 227 |
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10.1016/j.seppur.2019.115687 doi (DE-627)ELV002564149 (ELSEVIER)S1383-5866(19)31483-2 DE-627 ger DE-627 rda eng 540 DE-600 58.11 bkl 58.13 bkl Wang, Ze verfasserin aut Improving ZIF-8 stability in the preparation process of polyimide-based organic solvent nanofiltration membrane 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Recently, Zeolitic imidazolate framework-8 (ZIF-8) has drawn considerable attention in preparing mixed matrix membranes (MMMs) because of high specific surface area and unique pore structure. However, the structure degradation of ZIF-8 was found in the preparation process of a polyimide (PI)-based MMM due to the protonation effect in an acid environment of polyamide acid (PAA) solution. Herein, a novel strategy was proposed to overcome this obstacle by transferring the coordinating linkers of ZIF-8 structure into carbon skeleton via direct carbonization. As expected, the unique framework of carbonized ZIF-8 (CZIF-8) was fully retained in MMM preparation process. Meanwhile, CZIF-8 provided preferential flow paths for the solvents because of improved porosity and enhanced sorption capacity for the MMMs. As a result, the 10 wt% CZIF-8/PI MMM exhibited a high rejection of >90% to congo red (MW of 696 g mol−1) and outstanding permeances of 16.52, 4.05 and 2.08 L m−2 h−1 bar−1 in water, ethanol and isopropanol, respectively. This method indicates the feasibility of the proposed strategy and effectively enables the ZIF-8 stability for practical applications in an acid environment. Carbonized ZIF-8 Stability Organic solvent nanofiltration Polyimide Mixed matrix membrane Si, Zhihao verfasserin aut Cai, Di verfasserin aut Li, Guozhen verfasserin aut Li, Shufeng verfasserin aut Qin, Peiyong verfasserin aut Tan, Tianwei verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 227 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:227 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.11 Mechanische Verfahrenstechnik 58.13 Thermische Verfahrenstechnik AR 227 |
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10.1016/j.seppur.2019.115687 doi (DE-627)ELV002564149 (ELSEVIER)S1383-5866(19)31483-2 DE-627 ger DE-627 rda eng 540 DE-600 58.11 bkl 58.13 bkl Wang, Ze verfasserin aut Improving ZIF-8 stability in the preparation process of polyimide-based organic solvent nanofiltration membrane 2019 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Recently, Zeolitic imidazolate framework-8 (ZIF-8) has drawn considerable attention in preparing mixed matrix membranes (MMMs) because of high specific surface area and unique pore structure. However, the structure degradation of ZIF-8 was found in the preparation process of a polyimide (PI)-based MMM due to the protonation effect in an acid environment of polyamide acid (PAA) solution. Herein, a novel strategy was proposed to overcome this obstacle by transferring the coordinating linkers of ZIF-8 structure into carbon skeleton via direct carbonization. As expected, the unique framework of carbonized ZIF-8 (CZIF-8) was fully retained in MMM preparation process. Meanwhile, CZIF-8 provided preferential flow paths for the solvents because of improved porosity and enhanced sorption capacity for the MMMs. As a result, the 10 wt% CZIF-8/PI MMM exhibited a high rejection of >90% to congo red (MW of 696 g mol−1) and outstanding permeances of 16.52, 4.05 and 2.08 L m−2 h−1 bar−1 in water, ethanol and isopropanol, respectively. This method indicates the feasibility of the proposed strategy and effectively enables the ZIF-8 stability for practical applications in an acid environment. Carbonized ZIF-8 Stability Organic solvent nanofiltration Polyimide Mixed matrix membrane Si, Zhihao verfasserin aut Cai, Di verfasserin aut Li, Guozhen verfasserin aut Li, Shufeng verfasserin aut Qin, Peiyong verfasserin aut Tan, Tianwei verfasserin aut Enthalten in Separation and purification technology Amsterdam [u.a.] : Elsevier Science, 1997 227 Online-Ressource (DE-627)320620123 (DE-600)2022535-0 (DE-576)259485349 nnns volume:227 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_224 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2008 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4393 58.11 Mechanische Verfahrenstechnik 58.13 Thermische Verfahrenstechnik AR 227 |
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Carbonized ZIF-8 Stability Organic solvent nanofiltration Polyimide Mixed matrix membrane |
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Wang, Ze @@aut@@ Si, Zhihao @@aut@@ Cai, Di @@aut@@ Li, Guozhen @@aut@@ Li, Shufeng @@aut@@ Qin, Peiyong @@aut@@ Tan, Tianwei @@aut@@ |
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Wang, Ze |
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Wang, Ze ddc 540 bkl 58.11 bkl 58.13 misc Carbonized ZIF-8 misc Stability misc Organic solvent nanofiltration misc Polyimide misc Mixed matrix membrane Improving ZIF-8 stability in the preparation process of polyimide-based organic solvent nanofiltration membrane |
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540 DE-600 58.11 bkl 58.13 bkl Improving ZIF-8 stability in the preparation process of polyimide-based organic solvent nanofiltration membrane Carbonized ZIF-8 Stability Organic solvent nanofiltration Polyimide Mixed matrix membrane |
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Improving ZIF-8 stability in the preparation process of polyimide-based organic solvent nanofiltration membrane |
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10.1016/j.seppur.2019.115687 |
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improving zif-8 stability in the preparation process of polyimide-based organic solvent nanofiltration membrane |
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Improving ZIF-8 stability in the preparation process of polyimide-based organic solvent nanofiltration membrane |
| abstract |
Recently, Zeolitic imidazolate framework-8 (ZIF-8) has drawn considerable attention in preparing mixed matrix membranes (MMMs) because of high specific surface area and unique pore structure. However, the structure degradation of ZIF-8 was found in the preparation process of a polyimide (PI)-based MMM due to the protonation effect in an acid environment of polyamide acid (PAA) solution. Herein, a novel strategy was proposed to overcome this obstacle by transferring the coordinating linkers of ZIF-8 structure into carbon skeleton via direct carbonization. As expected, the unique framework of carbonized ZIF-8 (CZIF-8) was fully retained in MMM preparation process. Meanwhile, CZIF-8 provided preferential flow paths for the solvents because of improved porosity and enhanced sorption capacity for the MMMs. As a result, the 10 wt% CZIF-8/PI MMM exhibited a high rejection of >90% to congo red (MW of 696 g mol−1) and outstanding permeances of 16.52, 4.05 and 2.08 L m−2 h−1 bar−1 in water, ethanol and isopropanol, respectively. This method indicates the feasibility of the proposed strategy and effectively enables the ZIF-8 stability for practical applications in an acid environment. |
| abstractGer |
Recently, Zeolitic imidazolate framework-8 (ZIF-8) has drawn considerable attention in preparing mixed matrix membranes (MMMs) because of high specific surface area and unique pore structure. However, the structure degradation of ZIF-8 was found in the preparation process of a polyimide (PI)-based MMM due to the protonation effect in an acid environment of polyamide acid (PAA) solution. Herein, a novel strategy was proposed to overcome this obstacle by transferring the coordinating linkers of ZIF-8 structure into carbon skeleton via direct carbonization. As expected, the unique framework of carbonized ZIF-8 (CZIF-8) was fully retained in MMM preparation process. Meanwhile, CZIF-8 provided preferential flow paths for the solvents because of improved porosity and enhanced sorption capacity for the MMMs. As a result, the 10 wt% CZIF-8/PI MMM exhibited a high rejection of >90% to congo red (MW of 696 g mol−1) and outstanding permeances of 16.52, 4.05 and 2.08 L m−2 h−1 bar−1 in water, ethanol and isopropanol, respectively. This method indicates the feasibility of the proposed strategy and effectively enables the ZIF-8 stability for practical applications in an acid environment. |
| abstract_unstemmed |
Recently, Zeolitic imidazolate framework-8 (ZIF-8) has drawn considerable attention in preparing mixed matrix membranes (MMMs) because of high specific surface area and unique pore structure. However, the structure degradation of ZIF-8 was found in the preparation process of a polyimide (PI)-based MMM due to the protonation effect in an acid environment of polyamide acid (PAA) solution. Herein, a novel strategy was proposed to overcome this obstacle by transferring the coordinating linkers of ZIF-8 structure into carbon skeleton via direct carbonization. As expected, the unique framework of carbonized ZIF-8 (CZIF-8) was fully retained in MMM preparation process. Meanwhile, CZIF-8 provided preferential flow paths for the solvents because of improved porosity and enhanced sorption capacity for the MMMs. As a result, the 10 wt% CZIF-8/PI MMM exhibited a high rejection of >90% to congo red (MW of 696 g mol−1) and outstanding permeances of 16.52, 4.05 and 2.08 L m−2 h−1 bar−1 in water, ethanol and isopropanol, respectively. This method indicates the feasibility of the proposed strategy and effectively enables the ZIF-8 stability for practical applications in an acid environment. |
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Improving ZIF-8 stability in the preparation process of polyimide-based organic solvent nanofiltration membrane |
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|
| score |
7.399168 |