Functional Bimetal/Carbon Composites Co/ZrAC for Pesticide Atrazine Removal from Water

Atrazine is a toxic and refractory herbicide that poses threats to human health and the ecological environment. In order to efficiently remove atrazine from water, a novel material, Co/ZrAC, was developed. This novel material is prepared by loading two metal elements, cobalt and zirconium, onto acti...
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Autor*in:	Danxia Liu [verfasserIn] Yongpan Liu [verfasserIn] Huijun He [verfasserIn] Jie Liu [verfasserIn] Xiaolong Yang [verfasserIn] Lin Zhang [verfasserIn] Yiyan Tang [verfasserIn] Hongxiang Zhu [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	atrazine cobalt zirconium activated carbon adsorption

Übergeordnetes Werk:	In: Molecules - MDPI AG, 2003, 28(2023), 5, p 2071
Übergeordnetes Werk:	volume:28 ; year:2023 ; number:5, p 2071

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/molecules28052071

Katalog-ID:	DOAJ087989204

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520			\|a Atrazine is a toxic and refractory herbicide that poses threats to human health and the ecological environment. In order to efficiently remove atrazine from water, a novel material, Co/ZrAC, was developed. This novel material is prepared by loading two metal elements, cobalt and zirconium, onto activated carbon (AC) through solution impregnation and high-temperature calcination. The morphology and structure of the modified material were characterized, and its ability to remove atrazine was evaluated. The results showed that Co/Zr@AC had a large specific surface area and formed new adsorption functional groups when the mass fraction ratio of Co<sup<2+</sup<:Zr<sup<4+</sup< in the impregnating solution was 1:2, the immersion time was 5.0 h, the calcination temperature was 500 °C, and the calcination time was 4.0 h. During the adsorption experiment on 10 mg/L atrazine, the maximum adsorption capacity of Co/Zr@AC was shown to be 112.75 mg/g and the maximum removal rate was shown to be 97.5% after 90 min of the reaction at a solution pH of 4.0, temperature of 25 °C, and Co/Zr@AC concentration of 60.0 mg/L. In the kinetic study, the adsorption followed the pseudo-second-order kinetic model (R<sup<2</sup< = 0.999). The fitting effects of Langmuir and Freundlich isotherms were excellent, indicating that the process of Co/Zr@AC adsorbing atrazine also conformed to two isotherm models, so the adsorption of atrazine by Co/Zr@AC had multiple effects including chemical adsorption, mono-molecular layer adsorption, and multi-molecular layer adsorption. After five experimental cycles, the atrazine removal rate was 93.9%, indicating that Co/Zr@AC is stable in water and is an excellent novel material that can be used repeatedly.
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allfields	10.3390/molecules28052071 doi (DE-627)DOAJ087989204 (DE-599)DOAJ6dd8e9b88fb14f9babc4c269eee64615 DE-627 ger DE-627 rakwb eng QD241-441 Danxia Liu verfasserin aut Functional Bimetal/Carbon Composites Co/ZrAC for Pesticide Atrazine Removal from Water 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Atrazine is a toxic and refractory herbicide that poses threats to human health and the ecological environment. In order to efficiently remove atrazine from water, a novel material, Co/ZrAC, was developed. This novel material is prepared by loading two metal elements, cobalt and zirconium, onto activated carbon (AC) through solution impregnation and high-temperature calcination. The morphology and structure of the modified material were characterized, and its ability to remove atrazine was evaluated. The results showed that Co/Zr@AC had a large specific surface area and formed new adsorption functional groups when the mass fraction ratio of Co<sup<2+</sup<:Zr<sup<4+</sup< in the impregnating solution was 1:2, the immersion time was 5.0 h, the calcination temperature was 500 °C, and the calcination time was 4.0 h. During the adsorption experiment on 10 mg/L atrazine, the maximum adsorption capacity of Co/Zr@AC was shown to be 112.75 mg/g and the maximum removal rate was shown to be 97.5% after 90 min of the reaction at a solution pH of 4.0, temperature of 25 °C, and Co/Zr@AC concentration of 60.0 mg/L. In the kinetic study, the adsorption followed the pseudo-second-order kinetic model (R<sup<2</sup< = 0.999). The fitting effects of Langmuir and Freundlich isotherms were excellent, indicating that the process of Co/Zr@AC adsorbing atrazine also conformed to two isotherm models, so the adsorption of atrazine by Co/Zr@AC had multiple effects including chemical adsorption, mono-molecular layer adsorption, and multi-molecular layer adsorption. After five experimental cycles, the atrazine removal rate was 93.9%, indicating that Co/Zr@AC is stable in water and is an excellent novel material that can be used repeatedly. atrazine cobalt zirconium activated carbon adsorption Organic chemistry Yongpan Liu verfasserin aut Huijun He verfasserin aut Jie Liu verfasserin aut Xiaolong Yang verfasserin aut Lin Zhang verfasserin aut Yiyan Tang verfasserin aut Hongxiang Zhu verfasserin aut In Molecules MDPI AG, 2003 28(2023), 5, p 2071 (DE-627)311313132 (DE-600)2008644-1 14203049 nnns volume:28 year:2023 number:5, p 2071 https://doi.org/10.3390/molecules28052071 kostenfrei https://doaj.org/article/6dd8e9b88fb14f9babc4c269eee64615 kostenfrei https://www.mdpi.com/1420-3049/28/5/2071 kostenfrei https://doaj.org/toc/1420-3049 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 28 2023 5, p 2071
spelling	10.3390/molecules28052071 doi (DE-627)DOAJ087989204 (DE-599)DOAJ6dd8e9b88fb14f9babc4c269eee64615 DE-627 ger DE-627 rakwb eng QD241-441 Danxia Liu verfasserin aut Functional Bimetal/Carbon Composites Co/ZrAC for Pesticide Atrazine Removal from Water 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Atrazine is a toxic and refractory herbicide that poses threats to human health and the ecological environment. In order to efficiently remove atrazine from water, a novel material, Co/ZrAC, was developed. This novel material is prepared by loading two metal elements, cobalt and zirconium, onto activated carbon (AC) through solution impregnation and high-temperature calcination. The morphology and structure of the modified material were characterized, and its ability to remove atrazine was evaluated. The results showed that Co/Zr@AC had a large specific surface area and formed new adsorption functional groups when the mass fraction ratio of Co<sup<2+</sup<:Zr<sup<4+</sup< in the impregnating solution was 1:2, the immersion time was 5.0 h, the calcination temperature was 500 °C, and the calcination time was 4.0 h. During the adsorption experiment on 10 mg/L atrazine, the maximum adsorption capacity of Co/Zr@AC was shown to be 112.75 mg/g and the maximum removal rate was shown to be 97.5% after 90 min of the reaction at a solution pH of 4.0, temperature of 25 °C, and Co/Zr@AC concentration of 60.0 mg/L. In the kinetic study, the adsorption followed the pseudo-second-order kinetic model (R<sup<2</sup< = 0.999). The fitting effects of Langmuir and Freundlich isotherms were excellent, indicating that the process of Co/Zr@AC adsorbing atrazine also conformed to two isotherm models, so the adsorption of atrazine by Co/Zr@AC had multiple effects including chemical adsorption, mono-molecular layer adsorption, and multi-molecular layer adsorption. After five experimental cycles, the atrazine removal rate was 93.9%, indicating that Co/Zr@AC is stable in water and is an excellent novel material that can be used repeatedly. atrazine cobalt zirconium activated carbon adsorption Organic chemistry Yongpan Liu verfasserin aut Huijun He verfasserin aut Jie Liu verfasserin aut Xiaolong Yang verfasserin aut Lin Zhang verfasserin aut Yiyan Tang verfasserin aut Hongxiang Zhu verfasserin aut In Molecules MDPI AG, 2003 28(2023), 5, p 2071 (DE-627)311313132 (DE-600)2008644-1 14203049 nnns volume:28 year:2023 number:5, p 2071 https://doi.org/10.3390/molecules28052071 kostenfrei https://doaj.org/article/6dd8e9b88fb14f9babc4c269eee64615 kostenfrei https://www.mdpi.com/1420-3049/28/5/2071 kostenfrei https://doaj.org/toc/1420-3049 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 28 2023 5, p 2071
allfields_unstemmed	10.3390/molecules28052071 doi (DE-627)DOAJ087989204 (DE-599)DOAJ6dd8e9b88fb14f9babc4c269eee64615 DE-627 ger DE-627 rakwb eng QD241-441 Danxia Liu verfasserin aut Functional Bimetal/Carbon Composites Co/ZrAC for Pesticide Atrazine Removal from Water 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Atrazine is a toxic and refractory herbicide that poses threats to human health and the ecological environment. In order to efficiently remove atrazine from water, a novel material, Co/ZrAC, was developed. This novel material is prepared by loading two metal elements, cobalt and zirconium, onto activated carbon (AC) through solution impregnation and high-temperature calcination. The morphology and structure of the modified material were characterized, and its ability to remove atrazine was evaluated. The results showed that Co/Zr@AC had a large specific surface area and formed new adsorption functional groups when the mass fraction ratio of Co<sup<2+</sup<:Zr<sup<4+</sup< in the impregnating solution was 1:2, the immersion time was 5.0 h, the calcination temperature was 500 °C, and the calcination time was 4.0 h. During the adsorption experiment on 10 mg/L atrazine, the maximum adsorption capacity of Co/Zr@AC was shown to be 112.75 mg/g and the maximum removal rate was shown to be 97.5% after 90 min of the reaction at a solution pH of 4.0, temperature of 25 °C, and Co/Zr@AC concentration of 60.0 mg/L. In the kinetic study, the adsorption followed the pseudo-second-order kinetic model (R<sup<2</sup< = 0.999). The fitting effects of Langmuir and Freundlich isotherms were excellent, indicating that the process of Co/Zr@AC adsorbing atrazine also conformed to two isotherm models, so the adsorption of atrazine by Co/Zr@AC had multiple effects including chemical adsorption, mono-molecular layer adsorption, and multi-molecular layer adsorption. After five experimental cycles, the atrazine removal rate was 93.9%, indicating that Co/Zr@AC is stable in water and is an excellent novel material that can be used repeatedly. atrazine cobalt zirconium activated carbon adsorption Organic chemistry Yongpan Liu verfasserin aut Huijun He verfasserin aut Jie Liu verfasserin aut Xiaolong Yang verfasserin aut Lin Zhang verfasserin aut Yiyan Tang verfasserin aut Hongxiang Zhu verfasserin aut In Molecules MDPI AG, 2003 28(2023), 5, p 2071 (DE-627)311313132 (DE-600)2008644-1 14203049 nnns volume:28 year:2023 number:5, p 2071 https://doi.org/10.3390/molecules28052071 kostenfrei https://doaj.org/article/6dd8e9b88fb14f9babc4c269eee64615 kostenfrei https://www.mdpi.com/1420-3049/28/5/2071 kostenfrei https://doaj.org/toc/1420-3049 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 28 2023 5, p 2071
allfieldsGer	10.3390/molecules28052071 doi (DE-627)DOAJ087989204 (DE-599)DOAJ6dd8e9b88fb14f9babc4c269eee64615 DE-627 ger DE-627 rakwb eng QD241-441 Danxia Liu verfasserin aut Functional Bimetal/Carbon Composites Co/ZrAC for Pesticide Atrazine Removal from Water 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Atrazine is a toxic and refractory herbicide that poses threats to human health and the ecological environment. In order to efficiently remove atrazine from water, a novel material, Co/ZrAC, was developed. This novel material is prepared by loading two metal elements, cobalt and zirconium, onto activated carbon (AC) through solution impregnation and high-temperature calcination. The morphology and structure of the modified material were characterized, and its ability to remove atrazine was evaluated. The results showed that Co/Zr@AC had a large specific surface area and formed new adsorption functional groups when the mass fraction ratio of Co<sup<2+</sup<:Zr<sup<4+</sup< in the impregnating solution was 1:2, the immersion time was 5.0 h, the calcination temperature was 500 °C, and the calcination time was 4.0 h. During the adsorption experiment on 10 mg/L atrazine, the maximum adsorption capacity of Co/Zr@AC was shown to be 112.75 mg/g and the maximum removal rate was shown to be 97.5% after 90 min of the reaction at a solution pH of 4.0, temperature of 25 °C, and Co/Zr@AC concentration of 60.0 mg/L. In the kinetic study, the adsorption followed the pseudo-second-order kinetic model (R<sup<2</sup< = 0.999). The fitting effects of Langmuir and Freundlich isotherms were excellent, indicating that the process of Co/Zr@AC adsorbing atrazine also conformed to two isotherm models, so the adsorption of atrazine by Co/Zr@AC had multiple effects including chemical adsorption, mono-molecular layer adsorption, and multi-molecular layer adsorption. After five experimental cycles, the atrazine removal rate was 93.9%, indicating that Co/Zr@AC is stable in water and is an excellent novel material that can be used repeatedly. atrazine cobalt zirconium activated carbon adsorption Organic chemistry Yongpan Liu verfasserin aut Huijun He verfasserin aut Jie Liu verfasserin aut Xiaolong Yang verfasserin aut Lin Zhang verfasserin aut Yiyan Tang verfasserin aut Hongxiang Zhu verfasserin aut In Molecules MDPI AG, 2003 28(2023), 5, p 2071 (DE-627)311313132 (DE-600)2008644-1 14203049 nnns volume:28 year:2023 number:5, p 2071 https://doi.org/10.3390/molecules28052071 kostenfrei https://doaj.org/article/6dd8e9b88fb14f9babc4c269eee64615 kostenfrei https://www.mdpi.com/1420-3049/28/5/2071 kostenfrei https://doaj.org/toc/1420-3049 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 28 2023 5, p 2071
allfieldsSound	10.3390/molecules28052071 doi (DE-627)DOAJ087989204 (DE-599)DOAJ6dd8e9b88fb14f9babc4c269eee64615 DE-627 ger DE-627 rakwb eng QD241-441 Danxia Liu verfasserin aut Functional Bimetal/Carbon Composites Co/ZrAC for Pesticide Atrazine Removal from Water 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Atrazine is a toxic and refractory herbicide that poses threats to human health and the ecological environment. In order to efficiently remove atrazine from water, a novel material, Co/ZrAC, was developed. This novel material is prepared by loading two metal elements, cobalt and zirconium, onto activated carbon (AC) through solution impregnation and high-temperature calcination. The morphology and structure of the modified material were characterized, and its ability to remove atrazine was evaluated. The results showed that Co/Zr@AC had a large specific surface area and formed new adsorption functional groups when the mass fraction ratio of Co<sup<2+</sup<:Zr<sup<4+</sup< in the impregnating solution was 1:2, the immersion time was 5.0 h, the calcination temperature was 500 °C, and the calcination time was 4.0 h. During the adsorption experiment on 10 mg/L atrazine, the maximum adsorption capacity of Co/Zr@AC was shown to be 112.75 mg/g and the maximum removal rate was shown to be 97.5% after 90 min of the reaction at a solution pH of 4.0, temperature of 25 °C, and Co/Zr@AC concentration of 60.0 mg/L. In the kinetic study, the adsorption followed the pseudo-second-order kinetic model (R<sup<2</sup< = 0.999). The fitting effects of Langmuir and Freundlich isotherms were excellent, indicating that the process of Co/Zr@AC adsorbing atrazine also conformed to two isotherm models, so the adsorption of atrazine by Co/Zr@AC had multiple effects including chemical adsorption, mono-molecular layer adsorption, and multi-molecular layer adsorption. After five experimental cycles, the atrazine removal rate was 93.9%, indicating that Co/Zr@AC is stable in water and is an excellent novel material that can be used repeatedly. atrazine cobalt zirconium activated carbon adsorption Organic chemistry Yongpan Liu verfasserin aut Huijun He verfasserin aut Jie Liu verfasserin aut Xiaolong Yang verfasserin aut Lin Zhang verfasserin aut Yiyan Tang verfasserin aut Hongxiang Zhu verfasserin aut In Molecules MDPI AG, 2003 28(2023), 5, p 2071 (DE-627)311313132 (DE-600)2008644-1 14203049 nnns volume:28 year:2023 number:5, p 2071 https://doi.org/10.3390/molecules28052071 kostenfrei https://doaj.org/article/6dd8e9b88fb14f9babc4c269eee64615 kostenfrei https://www.mdpi.com/1420-3049/28/5/2071 kostenfrei https://doaj.org/toc/1420-3049 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 28 2023 5, p 2071
language	English
source	In Molecules 28(2023), 5, p 2071 volume:28 year:2023 number:5, p 2071
sourceStr	In Molecules 28(2023), 5, p 2071 volume:28 year:2023 number:5, p 2071
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	atrazine cobalt zirconium activated carbon adsorption Organic chemistry
isfreeaccess_bool	true
container_title	Molecules
authorswithroles_txt_mv	Danxia Liu @@aut@@ Yongpan Liu @@aut@@ Huijun He @@aut@@ Jie Liu @@aut@@ Xiaolong Yang @@aut@@ Lin Zhang @@aut@@ Yiyan Tang @@aut@@ Hongxiang Zhu @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	311313132
id	DOAJ087989204
language_de	englisch
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callnumber-first	Q - Science
author	Danxia Liu
spellingShingle	Danxia Liu misc QD241-441 misc atrazine misc cobalt misc zirconium misc activated carbon misc adsorption misc Organic chemistry Functional Bimetal/Carbon Composites Co/ZrAC for Pesticide Atrazine Removal from Water
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callnumber-label	QD241-441
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topic_title	QD241-441 Functional Bimetal/Carbon Composites Co/ZrAC for Pesticide Atrazine Removal from Water atrazine cobalt zirconium activated carbon adsorption
topic	misc QD241-441 misc atrazine misc cobalt misc zirconium misc activated carbon misc adsorption misc Organic chemistry
topic_unstemmed	misc QD241-441 misc atrazine misc cobalt misc zirconium misc activated carbon misc adsorption misc Organic chemistry
topic_browse	misc QD241-441 misc atrazine misc cobalt misc zirconium misc activated carbon misc adsorption misc Organic chemistry
format_facet	Elektronische Aufsätze Aufsätze Elektronische Ressource
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title	Functional Bimetal/Carbon Composites Co/ZrAC for Pesticide Atrazine Removal from Water
ctrlnum	(DE-627)DOAJ087989204 (DE-599)DOAJ6dd8e9b88fb14f9babc4c269eee64615
title_full	Functional Bimetal/Carbon Composites Co/ZrAC for Pesticide Atrazine Removal from Water
author_sort	Danxia Liu
journal	Molecules
journalStr	Molecules
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lang_code	eng
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publishDateSort	2023
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author_browse	Danxia Liu Yongpan Liu Huijun He Jie Liu Xiaolong Yang Lin Zhang Yiyan Tang Hongxiang Zhu
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class	QD241-441
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author-letter	Danxia Liu
doi_str_mv	10.3390/molecules28052071
author2-role	verfasserin
title_sort	functional bimetal/carbon composites co/zrac for pesticide atrazine removal from water
callnumber	QD241-441
title_auth	Functional Bimetal/Carbon Composites Co/ZrAC for Pesticide Atrazine Removal from Water
abstract	Atrazine is a toxic and refractory herbicide that poses threats to human health and the ecological environment. In order to efficiently remove atrazine from water, a novel material, Co/ZrAC, was developed. This novel material is prepared by loading two metal elements, cobalt and zirconium, onto activated carbon (AC) through solution impregnation and high-temperature calcination. The morphology and structure of the modified material were characterized, and its ability to remove atrazine was evaluated. The results showed that Co/Zr@AC had a large specific surface area and formed new adsorption functional groups when the mass fraction ratio of Co<sup<2+</sup<:Zr<sup<4+</sup< in the impregnating solution was 1:2, the immersion time was 5.0 h, the calcination temperature was 500 °C, and the calcination time was 4.0 h. During the adsorption experiment on 10 mg/L atrazine, the maximum adsorption capacity of Co/Zr@AC was shown to be 112.75 mg/g and the maximum removal rate was shown to be 97.5% after 90 min of the reaction at a solution pH of 4.0, temperature of 25 °C, and Co/Zr@AC concentration of 60.0 mg/L. In the kinetic study, the adsorption followed the pseudo-second-order kinetic model (R<sup<2</sup< = 0.999). The fitting effects of Langmuir and Freundlich isotherms were excellent, indicating that the process of Co/Zr@AC adsorbing atrazine also conformed to two isotherm models, so the adsorption of atrazine by Co/Zr@AC had multiple effects including chemical adsorption, mono-molecular layer adsorption, and multi-molecular layer adsorption. After five experimental cycles, the atrazine removal rate was 93.9%, indicating that Co/Zr@AC is stable in water and is an excellent novel material that can be used repeatedly.
abstractGer	Atrazine is a toxic and refractory herbicide that poses threats to human health and the ecological environment. In order to efficiently remove atrazine from water, a novel material, Co/ZrAC, was developed. This novel material is prepared by loading two metal elements, cobalt and zirconium, onto activated carbon (AC) through solution impregnation and high-temperature calcination. The morphology and structure of the modified material were characterized, and its ability to remove atrazine was evaluated. The results showed that Co/Zr@AC had a large specific surface area and formed new adsorption functional groups when the mass fraction ratio of Co<sup<2+</sup<:Zr<sup<4+</sup< in the impregnating solution was 1:2, the immersion time was 5.0 h, the calcination temperature was 500 °C, and the calcination time was 4.0 h. During the adsorption experiment on 10 mg/L atrazine, the maximum adsorption capacity of Co/Zr@AC was shown to be 112.75 mg/g and the maximum removal rate was shown to be 97.5% after 90 min of the reaction at a solution pH of 4.0, temperature of 25 °C, and Co/Zr@AC concentration of 60.0 mg/L. In the kinetic study, the adsorption followed the pseudo-second-order kinetic model (R<sup<2</sup< = 0.999). The fitting effects of Langmuir and Freundlich isotherms were excellent, indicating that the process of Co/Zr@AC adsorbing atrazine also conformed to two isotherm models, so the adsorption of atrazine by Co/Zr@AC had multiple effects including chemical adsorption, mono-molecular layer adsorption, and multi-molecular layer adsorption. After five experimental cycles, the atrazine removal rate was 93.9%, indicating that Co/Zr@AC is stable in water and is an excellent novel material that can be used repeatedly.
abstract_unstemmed	Atrazine is a toxic and refractory herbicide that poses threats to human health and the ecological environment. In order to efficiently remove atrazine from water, a novel material, Co/ZrAC, was developed. This novel material is prepared by loading two metal elements, cobalt and zirconium, onto activated carbon (AC) through solution impregnation and high-temperature calcination. The morphology and structure of the modified material were characterized, and its ability to remove atrazine was evaluated. The results showed that Co/Zr@AC had a large specific surface area and formed new adsorption functional groups when the mass fraction ratio of Co<sup<2+</sup<:Zr<sup<4+</sup< in the impregnating solution was 1:2, the immersion time was 5.0 h, the calcination temperature was 500 °C, and the calcination time was 4.0 h. During the adsorption experiment on 10 mg/L atrazine, the maximum adsorption capacity of Co/Zr@AC was shown to be 112.75 mg/g and the maximum removal rate was shown to be 97.5% after 90 min of the reaction at a solution pH of 4.0, temperature of 25 °C, and Co/Zr@AC concentration of 60.0 mg/L. In the kinetic study, the adsorption followed the pseudo-second-order kinetic model (R<sup<2</sup< = 0.999). The fitting effects of Langmuir and Freundlich isotherms were excellent, indicating that the process of Co/Zr@AC adsorbing atrazine also conformed to two isotherm models, so the adsorption of atrazine by Co/Zr@AC had multiple effects including chemical adsorption, mono-molecular layer adsorption, and multi-molecular layer adsorption. After five experimental cycles, the atrazine removal rate was 93.9%, indicating that Co/Zr@AC is stable in water and is an excellent novel material that can be used repeatedly.
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container_issue	5, p 2071
title_short	Functional Bimetal/Carbon Composites Co/ZrAC for Pesticide Atrazine Removal from Water
url	https://doi.org/10.3390/molecules28052071 https://doaj.org/article/6dd8e9b88fb14f9babc4c269eee64615 https://www.mdpi.com/1420-3049/28/5/2071 https://doaj.org/toc/1420-3049
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up_date	2024-07-03T15:08:22.837Z
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