Polydopamine-Chitosan modified TiO
Background: Diclofenac sodium is a kind of classic pharmaceutical and personal care product which has a potential risk to aqueous environment and food chain. The aim of the study is to realize the removal of diclofenac sodium in an energy-efficient and eco-friendly way.Method: TiO2 nanoparticles wer...
Ausführliche Beschreibung
Autor*in: |
Sun, Qiang [verfasserIn] Hu, Xuebin [verfasserIn] He, Qiang [verfasserIn] Sun, Manli [verfasserIn] Dai, Liangliang [verfasserIn] Khan, Sarfaraz [verfasserIn] Zheng, Huaili [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2021 |
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Schlagwörter: |
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Übergeordnetes Werk: |
Enthalten in: Journal of the Taiwan Institute of Chemical Engineers - Taiwan-Huaxue-Gongcheng-Xuehui ; ID: gnd/10370556-9, Amsterdam [u.a.] : Elsevier, 2009, 131 |
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Übergeordnetes Werk: |
volume:131 |
DOI / URN: |
10.1016/j.jtice.2021.11.018 |
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520 | |a Background: Diclofenac sodium is a kind of classic pharmaceutical and personal care product which has a potential risk to aqueous environment and food chain. The aim of the study is to realize the removal of diclofenac sodium in an energy-efficient and eco-friendly way.Method: TiO2 nanoparticles were modified with aminopropyltriethoxysilane and then were grafted with polydopamine and chitosan sequentially through Schiff-base reaction to realize spatiotemporal coagulation and degradation of diclofenac sodium under visible light irradiation, which was rare reported before.Results: The polymer layer of modified TiO2 nanoparticles became swelling and outstretching with cooling the temperature from 313.15±0.2 to 293.15±0.2 K, which led to the exposure of the TiO2 nanoparticle surface and the photocatalysis of which was activated. Photoelectrons migrated to the surface of which due to the protonation of TiO2 nanoparticles in acidic aqueous milieu and reacted with OHˉ forming •OH at the presence of oxygen and the photocatalytic efficiency of which was improved. It further reacted with diclofenac sodium and the coagulant could be directly reused at least twenty times without rinse process in this work, which has a significantly application potential considering future benefits. | ||
650 | 4 | |a Diclofenac sodium | |
650 | 4 | |a Hydrogen bonding | |
650 | 4 | |a Aromatic stacking | |
650 | 4 | |a Hydroxyl radical | |
700 | 1 | |a Hu, Xuebin |e verfasserin |4 aut | |
700 | 1 | |a He, Qiang |e verfasserin |4 aut | |
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700 | 1 | |a Dai, Liangliang |e verfasserin |4 aut | |
700 | 1 | |a Khan, Sarfaraz |e verfasserin |4 aut | |
700 | 1 | |a Zheng, Huaili |e verfasserin |4 aut | |
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10.1016/j.jtice.2021.11.018 doi (DE-627)ELV00740901X (ELSEVIER)S1876-1070(21)00653-2 DE-627 ger DE-627 rda eng 540 DE-600 Sun, Qiang verfasserin aut Polydopamine-Chitosan modified TiO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Diclofenac sodium is a kind of classic pharmaceutical and personal care product which has a potential risk to aqueous environment and food chain. The aim of the study is to realize the removal of diclofenac sodium in an energy-efficient and eco-friendly way.Method: TiO2 nanoparticles were modified with aminopropyltriethoxysilane and then were grafted with polydopamine and chitosan sequentially through Schiff-base reaction to realize spatiotemporal coagulation and degradation of diclofenac sodium under visible light irradiation, which was rare reported before.Results: The polymer layer of modified TiO2 nanoparticles became swelling and outstretching with cooling the temperature from 313.15±0.2 to 293.15±0.2 K, which led to the exposure of the TiO2 nanoparticle surface and the photocatalysis of which was activated. Photoelectrons migrated to the surface of which due to the protonation of TiO2 nanoparticles in acidic aqueous milieu and reacted with OHˉ forming •OH at the presence of oxygen and the photocatalytic efficiency of which was improved. It further reacted with diclofenac sodium and the coagulant could be directly reused at least twenty times without rinse process in this work, which has a significantly application potential considering future benefits. Diclofenac sodium Hydrogen bonding Aromatic stacking Hydroxyl radical Hu, Xuebin verfasserin aut He, Qiang verfasserin aut Sun, Manli verfasserin aut Dai, Liangliang verfasserin aut Khan, Sarfaraz verfasserin aut Zheng, Huaili verfasserin aut Enthalten in Taiwan-Huaxue-Gongcheng-Xuehui ; ID: gnd/10370556-9 Journal of the Taiwan Institute of Chemical Engineers Amsterdam [u.a.] : Elsevier, 2009 131 Online-Ressource (DE-627)590281240 (DE-600)2475165-0 (DE-576)302970975 1876-1070 nnns volume:131 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_2001 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_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 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_2232 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 AR 131 |
spelling |
10.1016/j.jtice.2021.11.018 doi (DE-627)ELV00740901X (ELSEVIER)S1876-1070(21)00653-2 DE-627 ger DE-627 rda eng 540 DE-600 Sun, Qiang verfasserin aut Polydopamine-Chitosan modified TiO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Diclofenac sodium is a kind of classic pharmaceutical and personal care product which has a potential risk to aqueous environment and food chain. The aim of the study is to realize the removal of diclofenac sodium in an energy-efficient and eco-friendly way.Method: TiO2 nanoparticles were modified with aminopropyltriethoxysilane and then were grafted with polydopamine and chitosan sequentially through Schiff-base reaction to realize spatiotemporal coagulation and degradation of diclofenac sodium under visible light irradiation, which was rare reported before.Results: The polymer layer of modified TiO2 nanoparticles became swelling and outstretching with cooling the temperature from 313.15±0.2 to 293.15±0.2 K, which led to the exposure of the TiO2 nanoparticle surface and the photocatalysis of which was activated. Photoelectrons migrated to the surface of which due to the protonation of TiO2 nanoparticles in acidic aqueous milieu and reacted with OHˉ forming •OH at the presence of oxygen and the photocatalytic efficiency of which was improved. It further reacted with diclofenac sodium and the coagulant could be directly reused at least twenty times without rinse process in this work, which has a significantly application potential considering future benefits. Diclofenac sodium Hydrogen bonding Aromatic stacking Hydroxyl radical Hu, Xuebin verfasserin aut He, Qiang verfasserin aut Sun, Manli verfasserin aut Dai, Liangliang verfasserin aut Khan, Sarfaraz verfasserin aut Zheng, Huaili verfasserin aut Enthalten in Taiwan-Huaxue-Gongcheng-Xuehui ; ID: gnd/10370556-9 Journal of the Taiwan Institute of Chemical Engineers Amsterdam [u.a.] : Elsevier, 2009 131 Online-Ressource (DE-627)590281240 (DE-600)2475165-0 (DE-576)302970975 1876-1070 nnns volume:131 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_2001 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_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 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_2232 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 AR 131 |
allfields_unstemmed |
10.1016/j.jtice.2021.11.018 doi (DE-627)ELV00740901X (ELSEVIER)S1876-1070(21)00653-2 DE-627 ger DE-627 rda eng 540 DE-600 Sun, Qiang verfasserin aut Polydopamine-Chitosan modified TiO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Diclofenac sodium is a kind of classic pharmaceutical and personal care product which has a potential risk to aqueous environment and food chain. The aim of the study is to realize the removal of diclofenac sodium in an energy-efficient and eco-friendly way.Method: TiO2 nanoparticles were modified with aminopropyltriethoxysilane and then were grafted with polydopamine and chitosan sequentially through Schiff-base reaction to realize spatiotemporal coagulation and degradation of diclofenac sodium under visible light irradiation, which was rare reported before.Results: The polymer layer of modified TiO2 nanoparticles became swelling and outstretching with cooling the temperature from 313.15±0.2 to 293.15±0.2 K, which led to the exposure of the TiO2 nanoparticle surface and the photocatalysis of which was activated. Photoelectrons migrated to the surface of which due to the protonation of TiO2 nanoparticles in acidic aqueous milieu and reacted with OHˉ forming •OH at the presence of oxygen and the photocatalytic efficiency of which was improved. It further reacted with diclofenac sodium and the coagulant could be directly reused at least twenty times without rinse process in this work, which has a significantly application potential considering future benefits. Diclofenac sodium Hydrogen bonding Aromatic stacking Hydroxyl radical Hu, Xuebin verfasserin aut He, Qiang verfasserin aut Sun, Manli verfasserin aut Dai, Liangliang verfasserin aut Khan, Sarfaraz verfasserin aut Zheng, Huaili verfasserin aut Enthalten in Taiwan-Huaxue-Gongcheng-Xuehui ; ID: gnd/10370556-9 Journal of the Taiwan Institute of Chemical Engineers Amsterdam [u.a.] : Elsevier, 2009 131 Online-Ressource (DE-627)590281240 (DE-600)2475165-0 (DE-576)302970975 1876-1070 nnns volume:131 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_2001 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_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 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_2232 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 AR 131 |
allfieldsGer |
10.1016/j.jtice.2021.11.018 doi (DE-627)ELV00740901X (ELSEVIER)S1876-1070(21)00653-2 DE-627 ger DE-627 rda eng 540 DE-600 Sun, Qiang verfasserin aut Polydopamine-Chitosan modified TiO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Diclofenac sodium is a kind of classic pharmaceutical and personal care product which has a potential risk to aqueous environment and food chain. The aim of the study is to realize the removal of diclofenac sodium in an energy-efficient and eco-friendly way.Method: TiO2 nanoparticles were modified with aminopropyltriethoxysilane and then were grafted with polydopamine and chitosan sequentially through Schiff-base reaction to realize spatiotemporal coagulation and degradation of diclofenac sodium under visible light irradiation, which was rare reported before.Results: The polymer layer of modified TiO2 nanoparticles became swelling and outstretching with cooling the temperature from 313.15±0.2 to 293.15±0.2 K, which led to the exposure of the TiO2 nanoparticle surface and the photocatalysis of which was activated. Photoelectrons migrated to the surface of which due to the protonation of TiO2 nanoparticles in acidic aqueous milieu and reacted with OHˉ forming •OH at the presence of oxygen and the photocatalytic efficiency of which was improved. It further reacted with diclofenac sodium and the coagulant could be directly reused at least twenty times without rinse process in this work, which has a significantly application potential considering future benefits. Diclofenac sodium Hydrogen bonding Aromatic stacking Hydroxyl radical Hu, Xuebin verfasserin aut He, Qiang verfasserin aut Sun, Manli verfasserin aut Dai, Liangliang verfasserin aut Khan, Sarfaraz verfasserin aut Zheng, Huaili verfasserin aut Enthalten in Taiwan-Huaxue-Gongcheng-Xuehui ; ID: gnd/10370556-9 Journal of the Taiwan Institute of Chemical Engineers Amsterdam [u.a.] : Elsevier, 2009 131 Online-Ressource (DE-627)590281240 (DE-600)2475165-0 (DE-576)302970975 1876-1070 nnns volume:131 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_2001 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_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 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_2232 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 AR 131 |
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10.1016/j.jtice.2021.11.018 doi (DE-627)ELV00740901X (ELSEVIER)S1876-1070(21)00653-2 DE-627 ger DE-627 rda eng 540 DE-600 Sun, Qiang verfasserin aut Polydopamine-Chitosan modified TiO 2021 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Background: Diclofenac sodium is a kind of classic pharmaceutical and personal care product which has a potential risk to aqueous environment and food chain. The aim of the study is to realize the removal of diclofenac sodium in an energy-efficient and eco-friendly way.Method: TiO2 nanoparticles were modified with aminopropyltriethoxysilane and then were grafted with polydopamine and chitosan sequentially through Schiff-base reaction to realize spatiotemporal coagulation and degradation of diclofenac sodium under visible light irradiation, which was rare reported before.Results: The polymer layer of modified TiO2 nanoparticles became swelling and outstretching with cooling the temperature from 313.15±0.2 to 293.15±0.2 K, which led to the exposure of the TiO2 nanoparticle surface and the photocatalysis of which was activated. Photoelectrons migrated to the surface of which due to the protonation of TiO2 nanoparticles in acidic aqueous milieu and reacted with OHˉ forming •OH at the presence of oxygen and the photocatalytic efficiency of which was improved. It further reacted with diclofenac sodium and the coagulant could be directly reused at least twenty times without rinse process in this work, which has a significantly application potential considering future benefits. Diclofenac sodium Hydrogen bonding Aromatic stacking Hydroxyl radical Hu, Xuebin verfasserin aut He, Qiang verfasserin aut Sun, Manli verfasserin aut Dai, Liangliang verfasserin aut Khan, Sarfaraz verfasserin aut Zheng, Huaili verfasserin aut Enthalten in Taiwan-Huaxue-Gongcheng-Xuehui ; ID: gnd/10370556-9 Journal of the Taiwan Institute of Chemical Engineers Amsterdam [u.a.] : Elsevier, 2009 131 Online-Ressource (DE-627)590281240 (DE-600)2475165-0 (DE-576)302970975 1876-1070 nnns volume:131 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_2001 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_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2038 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 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_2232 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 AR 131 |
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540 DE-600 Polydopamine-Chitosan modified TiO Diclofenac sodium Hydrogen bonding Aromatic stacking Hydroxyl radical |
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Polydopamine-Chitosan modified TiO |
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Polydopamine-Chitosan modified TiO |
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Journal of the Taiwan Institute of Chemical Engineers |
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Sun, Qiang Hu, Xuebin He, Qiang Sun, Manli Dai, Liangliang Khan, Sarfaraz Zheng, Huaili |
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10.1016/j.jtice.2021.11.018 |
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polydopamine-chitosan modified tio |
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Polydopamine-Chitosan modified TiO |
abstract |
Background: Diclofenac sodium is a kind of classic pharmaceutical and personal care product which has a potential risk to aqueous environment and food chain. The aim of the study is to realize the removal of diclofenac sodium in an energy-efficient and eco-friendly way.Method: TiO2 nanoparticles were modified with aminopropyltriethoxysilane and then were grafted with polydopamine and chitosan sequentially through Schiff-base reaction to realize spatiotemporal coagulation and degradation of diclofenac sodium under visible light irradiation, which was rare reported before.Results: The polymer layer of modified TiO2 nanoparticles became swelling and outstretching with cooling the temperature from 313.15±0.2 to 293.15±0.2 K, which led to the exposure of the TiO2 nanoparticle surface and the photocatalysis of which was activated. Photoelectrons migrated to the surface of which due to the protonation of TiO2 nanoparticles in acidic aqueous milieu and reacted with OHˉ forming •OH at the presence of oxygen and the photocatalytic efficiency of which was improved. It further reacted with diclofenac sodium and the coagulant could be directly reused at least twenty times without rinse process in this work, which has a significantly application potential considering future benefits. |
abstractGer |
Background: Diclofenac sodium is a kind of classic pharmaceutical and personal care product which has a potential risk to aqueous environment and food chain. The aim of the study is to realize the removal of diclofenac sodium in an energy-efficient and eco-friendly way.Method: TiO2 nanoparticles were modified with aminopropyltriethoxysilane and then were grafted with polydopamine and chitosan sequentially through Schiff-base reaction to realize spatiotemporal coagulation and degradation of diclofenac sodium under visible light irradiation, which was rare reported before.Results: The polymer layer of modified TiO2 nanoparticles became swelling and outstretching with cooling the temperature from 313.15±0.2 to 293.15±0.2 K, which led to the exposure of the TiO2 nanoparticle surface and the photocatalysis of which was activated. Photoelectrons migrated to the surface of which due to the protonation of TiO2 nanoparticles in acidic aqueous milieu and reacted with OHˉ forming •OH at the presence of oxygen and the photocatalytic efficiency of which was improved. It further reacted with diclofenac sodium and the coagulant could be directly reused at least twenty times without rinse process in this work, which has a significantly application potential considering future benefits. |
abstract_unstemmed |
Background: Diclofenac sodium is a kind of classic pharmaceutical and personal care product which has a potential risk to aqueous environment and food chain. The aim of the study is to realize the removal of diclofenac sodium in an energy-efficient and eco-friendly way.Method: TiO2 nanoparticles were modified with aminopropyltriethoxysilane and then were grafted with polydopamine and chitosan sequentially through Schiff-base reaction to realize spatiotemporal coagulation and degradation of diclofenac sodium under visible light irradiation, which was rare reported before.Results: The polymer layer of modified TiO2 nanoparticles became swelling and outstretching with cooling the temperature from 313.15±0.2 to 293.15±0.2 K, which led to the exposure of the TiO2 nanoparticle surface and the photocatalysis of which was activated. Photoelectrons migrated to the surface of which due to the protonation of TiO2 nanoparticles in acidic aqueous milieu and reacted with OHˉ forming •OH at the presence of oxygen and the photocatalytic efficiency of which was improved. It further reacted with diclofenac sodium and the coagulant could be directly reused at least twenty times without rinse process in this work, which has a significantly application potential considering future benefits. |
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Polydopamine-Chitosan modified TiO |
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Hu, Xuebin He, Qiang Sun, Manli Dai, Liangliang Khan, Sarfaraz Zheng, Huaili |
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