Adsorption performance of phosphate in water by mixed precursor base geopolymers

Design of low-cost and high-removal efficiency phosphate adsorbents is of great significance for the control of eutrophication. In this study, fly ash and metakaolin were used as raw materials to evaluate the capability of phosphate adsorption and to investigate the mechanism of phosphate adsorption...
Ausführliche Beschreibung

Gespeichert in:

Autor*in:	Zhou, Wentao [verfasserIn] Lan, Tian [verfasserIn] Shang, Gaofei [verfasserIn] Li, Jianhong [verfasserIn] Geng, Jianjian [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	Fly ash Metakaolin Geopolymers Phosphate Water treatment

Übergeordnetes Werk:	Enthalten in: Journal of contaminant hydrology - Amsterdam [u.a.] : Elsevier Science, 1986, 255
Übergeordnetes Werk:	volume:255

DOI / URN:	10.1016/j.jconhyd.2023.104166

Katalog-ID:	ELV009593071

Internformat


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520			\|a Design of low-cost and high-removal efficiency phosphate adsorbents is of great significance for the control of eutrophication. In this study, fly ash and metakaolin were used as raw materials to evaluate the capability of phosphate adsorption and to investigate the mechanism of phosphate adsorption. The results of comparing the adsorption effect of geopolymers prepared with different modulus of alkali activator showed that the removal efficiency of phosphate in water at 0.8 M was on average 30.33% higher than 1.2 M. Therefore, FA + MK-0.8 had the maximum removal efficiency of 94.21% for phosphate in water with the maximum adsorption capacity of 36.02 mg/kg. In addition, the adsorption of phosphate could be well fitted by pseudo-second-order model and the process was mainly controlled by film diffusion. The alkali activation process can destroy the octahedral structure of the raw material, so the geopolymer are mainly tetrahedral in structure. Interestingly, new zeolite structures were formed in the mineral crystal phase of FA + MK-0.8, which may facilitate the adsorption of phosphate by geopolymers. Furthermore, the combined FTIR and XRD analysis results indicated that the underlying mechanisms of phosphate adsorption were electrostatic gravitation, ligand exchange, and surface complexation. This research not only synthesizes low-cost and high removal efficiency wastewater purification materials, but also provides a promising application for the elimination and resource utilization of industrial solid waste.
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publishDate	2023
allfields	10.1016/j.jconhyd.2023.104166 doi (DE-627)ELV009593071 (ELSEVIER)S0169-7722(23)00036-0 DE-627 ger DE-627 rda eng 550 DE-600 38.86 bkl 43.50 bkl 58.51 bkl Zhou, Wentao verfasserin aut Adsorption performance of phosphate in water by mixed precursor base geopolymers 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Design of low-cost and high-removal efficiency phosphate adsorbents is of great significance for the control of eutrophication. In this study, fly ash and metakaolin were used as raw materials to evaluate the capability of phosphate adsorption and to investigate the mechanism of phosphate adsorption. The results of comparing the adsorption effect of geopolymers prepared with different modulus of alkali activator showed that the removal efficiency of phosphate in water at 0.8 M was on average 30.33% higher than 1.2 M. Therefore, FA + MK-0.8 had the maximum removal efficiency of 94.21% for phosphate in water with the maximum adsorption capacity of 36.02 mg/kg. In addition, the adsorption of phosphate could be well fitted by pseudo-second-order model and the process was mainly controlled by film diffusion. The alkali activation process can destroy the octahedral structure of the raw material, so the geopolymer are mainly tetrahedral in structure. Interestingly, new zeolite structures were formed in the mineral crystal phase of FA + MK-0.8, which may facilitate the adsorption of phosphate by geopolymers. Furthermore, the combined FTIR and XRD analysis results indicated that the underlying mechanisms of phosphate adsorption were electrostatic gravitation, ligand exchange, and surface complexation. This research not only synthesizes low-cost and high removal efficiency wastewater purification materials, but also provides a promising application for the elimination and resource utilization of industrial solid waste. Fly ash Metakaolin Geopolymers Phosphate Water treatment Lan, Tian verfasserin aut Shang, Gaofei verfasserin aut Li, Jianhong verfasserin aut Geng, Jianjian verfasserin aut Enthalten in Journal of contaminant hydrology Amsterdam [u.a.] : Elsevier Science, 1986 255 Online-Ressource (DE-627)303392169 (DE-600)1494766-3 (DE-576)095237887 1873-6009 nnns volume:255 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO 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_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_165 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 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_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_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.86 Grundwasser 43.50 Umweltbelastungen 58.51 Abwassertechnik Wasseraufbereitung AR 255
spelling	10.1016/j.jconhyd.2023.104166 doi (DE-627)ELV009593071 (ELSEVIER)S0169-7722(23)00036-0 DE-627 ger DE-627 rda eng 550 DE-600 38.86 bkl 43.50 bkl 58.51 bkl Zhou, Wentao verfasserin aut Adsorption performance of phosphate in water by mixed precursor base geopolymers 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Design of low-cost and high-removal efficiency phosphate adsorbents is of great significance for the control of eutrophication. In this study, fly ash and metakaolin were used as raw materials to evaluate the capability of phosphate adsorption and to investigate the mechanism of phosphate adsorption. The results of comparing the adsorption effect of geopolymers prepared with different modulus of alkali activator showed that the removal efficiency of phosphate in water at 0.8 M was on average 30.33% higher than 1.2 M. Therefore, FA + MK-0.8 had the maximum removal efficiency of 94.21% for phosphate in water with the maximum adsorption capacity of 36.02 mg/kg. In addition, the adsorption of phosphate could be well fitted by pseudo-second-order model and the process was mainly controlled by film diffusion. The alkali activation process can destroy the octahedral structure of the raw material, so the geopolymer are mainly tetrahedral in structure. Interestingly, new zeolite structures were formed in the mineral crystal phase of FA + MK-0.8, which may facilitate the adsorption of phosphate by geopolymers. Furthermore, the combined FTIR and XRD analysis results indicated that the underlying mechanisms of phosphate adsorption were electrostatic gravitation, ligand exchange, and surface complexation. This research not only synthesizes low-cost and high removal efficiency wastewater purification materials, but also provides a promising application for the elimination and resource utilization of industrial solid waste. Fly ash Metakaolin Geopolymers Phosphate Water treatment Lan, Tian verfasserin aut Shang, Gaofei verfasserin aut Li, Jianhong verfasserin aut Geng, Jianjian verfasserin aut Enthalten in Journal of contaminant hydrology Amsterdam [u.a.] : Elsevier Science, 1986 255 Online-Ressource (DE-627)303392169 (DE-600)1494766-3 (DE-576)095237887 1873-6009 nnns volume:255 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO 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_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_165 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 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_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_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.86 Grundwasser 43.50 Umweltbelastungen 58.51 Abwassertechnik Wasseraufbereitung AR 255
allfields_unstemmed	10.1016/j.jconhyd.2023.104166 doi (DE-627)ELV009593071 (ELSEVIER)S0169-7722(23)00036-0 DE-627 ger DE-627 rda eng 550 DE-600 38.86 bkl 43.50 bkl 58.51 bkl Zhou, Wentao verfasserin aut Adsorption performance of phosphate in water by mixed precursor base geopolymers 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Design of low-cost and high-removal efficiency phosphate adsorbents is of great significance for the control of eutrophication. In this study, fly ash and metakaolin were used as raw materials to evaluate the capability of phosphate adsorption and to investigate the mechanism of phosphate adsorption. The results of comparing the adsorption effect of geopolymers prepared with different modulus of alkali activator showed that the removal efficiency of phosphate in water at 0.8 M was on average 30.33% higher than 1.2 M. Therefore, FA + MK-0.8 had the maximum removal efficiency of 94.21% for phosphate in water with the maximum adsorption capacity of 36.02 mg/kg. In addition, the adsorption of phosphate could be well fitted by pseudo-second-order model and the process was mainly controlled by film diffusion. The alkali activation process can destroy the octahedral structure of the raw material, so the geopolymer are mainly tetrahedral in structure. Interestingly, new zeolite structures were formed in the mineral crystal phase of FA + MK-0.8, which may facilitate the adsorption of phosphate by geopolymers. Furthermore, the combined FTIR and XRD analysis results indicated that the underlying mechanisms of phosphate adsorption were electrostatic gravitation, ligand exchange, and surface complexation. This research not only synthesizes low-cost and high removal efficiency wastewater purification materials, but also provides a promising application for the elimination and resource utilization of industrial solid waste. Fly ash Metakaolin Geopolymers Phosphate Water treatment Lan, Tian verfasserin aut Shang, Gaofei verfasserin aut Li, Jianhong verfasserin aut Geng, Jianjian verfasserin aut Enthalten in Journal of contaminant hydrology Amsterdam [u.a.] : Elsevier Science, 1986 255 Online-Ressource (DE-627)303392169 (DE-600)1494766-3 (DE-576)095237887 1873-6009 nnns volume:255 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO 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_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_165 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 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_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_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.86 Grundwasser 43.50 Umweltbelastungen 58.51 Abwassertechnik Wasseraufbereitung AR 255
allfieldsGer	10.1016/j.jconhyd.2023.104166 doi (DE-627)ELV009593071 (ELSEVIER)S0169-7722(23)00036-0 DE-627 ger DE-627 rda eng 550 DE-600 38.86 bkl 43.50 bkl 58.51 bkl Zhou, Wentao verfasserin aut Adsorption performance of phosphate in water by mixed precursor base geopolymers 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Design of low-cost and high-removal efficiency phosphate adsorbents is of great significance for the control of eutrophication. In this study, fly ash and metakaolin were used as raw materials to evaluate the capability of phosphate adsorption and to investigate the mechanism of phosphate adsorption. The results of comparing the adsorption effect of geopolymers prepared with different modulus of alkali activator showed that the removal efficiency of phosphate in water at 0.8 M was on average 30.33% higher than 1.2 M. Therefore, FA + MK-0.8 had the maximum removal efficiency of 94.21% for phosphate in water with the maximum adsorption capacity of 36.02 mg/kg. In addition, the adsorption of phosphate could be well fitted by pseudo-second-order model and the process was mainly controlled by film diffusion. The alkali activation process can destroy the octahedral structure of the raw material, so the geopolymer are mainly tetrahedral in structure. Interestingly, new zeolite structures were formed in the mineral crystal phase of FA + MK-0.8, which may facilitate the adsorption of phosphate by geopolymers. Furthermore, the combined FTIR and XRD analysis results indicated that the underlying mechanisms of phosphate adsorption were electrostatic gravitation, ligand exchange, and surface complexation. This research not only synthesizes low-cost and high removal efficiency wastewater purification materials, but also provides a promising application for the elimination and resource utilization of industrial solid waste. Fly ash Metakaolin Geopolymers Phosphate Water treatment Lan, Tian verfasserin aut Shang, Gaofei verfasserin aut Li, Jianhong verfasserin aut Geng, Jianjian verfasserin aut Enthalten in Journal of contaminant hydrology Amsterdam [u.a.] : Elsevier Science, 1986 255 Online-Ressource (DE-627)303392169 (DE-600)1494766-3 (DE-576)095237887 1873-6009 nnns volume:255 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO 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_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_165 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 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_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_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.86 Grundwasser 43.50 Umweltbelastungen 58.51 Abwassertechnik Wasseraufbereitung AR 255
allfieldsSound	10.1016/j.jconhyd.2023.104166 doi (DE-627)ELV009593071 (ELSEVIER)S0169-7722(23)00036-0 DE-627 ger DE-627 rda eng 550 DE-600 38.86 bkl 43.50 bkl 58.51 bkl Zhou, Wentao verfasserin aut Adsorption performance of phosphate in water by mixed precursor base geopolymers 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Design of low-cost and high-removal efficiency phosphate adsorbents is of great significance for the control of eutrophication. In this study, fly ash and metakaolin were used as raw materials to evaluate the capability of phosphate adsorption and to investigate the mechanism of phosphate adsorption. The results of comparing the adsorption effect of geopolymers prepared with different modulus of alkali activator showed that the removal efficiency of phosphate in water at 0.8 M was on average 30.33% higher than 1.2 M. Therefore, FA + MK-0.8 had the maximum removal efficiency of 94.21% for phosphate in water with the maximum adsorption capacity of 36.02 mg/kg. In addition, the adsorption of phosphate could be well fitted by pseudo-second-order model and the process was mainly controlled by film diffusion. The alkali activation process can destroy the octahedral structure of the raw material, so the geopolymer are mainly tetrahedral in structure. Interestingly, new zeolite structures were formed in the mineral crystal phase of FA + MK-0.8, which may facilitate the adsorption of phosphate by geopolymers. Furthermore, the combined FTIR and XRD analysis results indicated that the underlying mechanisms of phosphate adsorption were electrostatic gravitation, ligand exchange, and surface complexation. This research not only synthesizes low-cost and high removal efficiency wastewater purification materials, but also provides a promising application for the elimination and resource utilization of industrial solid waste. Fly ash Metakaolin Geopolymers Phosphate Water treatment Lan, Tian verfasserin aut Shang, Gaofei verfasserin aut Li, Jianhong verfasserin aut Geng, Jianjian verfasserin aut Enthalten in Journal of contaminant hydrology Amsterdam [u.a.] : Elsevier Science, 1986 255 Online-Ressource (DE-627)303392169 (DE-600)1494766-3 (DE-576)095237887 1873-6009 nnns volume:255 GBV_USEFLAG_U SYSFLAG_U GBV_ELV SSG-OPC-GGO 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_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_165 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 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_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_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 38.86 Grundwasser 43.50 Umweltbelastungen 58.51 Abwassertechnik Wasseraufbereitung AR 255
language	English
source	Enthalten in Journal of contaminant hydrology 255 volume:255
sourceStr	Enthalten in Journal of contaminant hydrology 255 volume:255
format_phy_str_mv	Article
bklname	Grundwasser Umweltbelastungen Abwassertechnik Wasseraufbereitung
institution	findex.gbv.de
topic_facet	Fly ash Metakaolin Geopolymers Phosphate Water treatment
dewey-raw	550
isfreeaccess_bool	false
container_title	Journal of contaminant hydrology
authorswithroles_txt_mv	Zhou, Wentao @@aut@@ Lan, Tian @@aut@@ Shang, Gaofei @@aut@@ Li, Jianhong @@aut@@ Geng, Jianjian @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
hierarchy_top_id	303392169
dewey-sort	3550
id	ELV009593071
language_de	englisch
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author	Zhou, Wentao
spellingShingle	Zhou, Wentao ddc 550 bkl 38.86 bkl 43.50 bkl 58.51 misc Fly ash misc Metakaolin misc Geopolymers misc Phosphate misc Water treatment Adsorption performance of phosphate in water by mixed precursor base geopolymers
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topic_title	550 DE-600 38.86 bkl 43.50 bkl 58.51 bkl Adsorption performance of phosphate in water by mixed precursor base geopolymers Fly ash Metakaolin Geopolymers Phosphate Water treatment
topic	ddc 550 bkl 38.86 bkl 43.50 bkl 58.51 misc Fly ash misc Metakaolin misc Geopolymers misc Phosphate misc Water treatment
topic_unstemmed	ddc 550 bkl 38.86 bkl 43.50 bkl 58.51 misc Fly ash misc Metakaolin misc Geopolymers misc Phosphate misc Water treatment
topic_browse	ddc 550 bkl 38.86 bkl 43.50 bkl 58.51 misc Fly ash misc Metakaolin misc Geopolymers misc Phosphate misc Water treatment
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title	Adsorption performance of phosphate in water by mixed precursor base geopolymers
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title_full	Adsorption performance of phosphate in water by mixed precursor base geopolymers
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author_browse	Zhou, Wentao Lan, Tian Shang, Gaofei Li, Jianhong Geng, Jianjian
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title_sort	adsorption performance of phosphate in water by mixed precursor base geopolymers
title_auth	Adsorption performance of phosphate in water by mixed precursor base geopolymers
abstract	Design of low-cost and high-removal efficiency phosphate adsorbents is of great significance for the control of eutrophication. In this study, fly ash and metakaolin were used as raw materials to evaluate the capability of phosphate adsorption and to investigate the mechanism of phosphate adsorption. The results of comparing the adsorption effect of geopolymers prepared with different modulus of alkali activator showed that the removal efficiency of phosphate in water at 0.8 M was on average 30.33% higher than 1.2 M. Therefore, FA + MK-0.8 had the maximum removal efficiency of 94.21% for phosphate in water with the maximum adsorption capacity of 36.02 mg/kg. In addition, the adsorption of phosphate could be well fitted by pseudo-second-order model and the process was mainly controlled by film diffusion. The alkali activation process can destroy the octahedral structure of the raw material, so the geopolymer are mainly tetrahedral in structure. Interestingly, new zeolite structures were formed in the mineral crystal phase of FA + MK-0.8, which may facilitate the adsorption of phosphate by geopolymers. Furthermore, the combined FTIR and XRD analysis results indicated that the underlying mechanisms of phosphate adsorption were electrostatic gravitation, ligand exchange, and surface complexation. This research not only synthesizes low-cost and high removal efficiency wastewater purification materials, but also provides a promising application for the elimination and resource utilization of industrial solid waste.
abstractGer	Design of low-cost and high-removal efficiency phosphate adsorbents is of great significance for the control of eutrophication. In this study, fly ash and metakaolin were used as raw materials to evaluate the capability of phosphate adsorption and to investigate the mechanism of phosphate adsorption. The results of comparing the adsorption effect of geopolymers prepared with different modulus of alkali activator showed that the removal efficiency of phosphate in water at 0.8 M was on average 30.33% higher than 1.2 M. Therefore, FA + MK-0.8 had the maximum removal efficiency of 94.21% for phosphate in water with the maximum adsorption capacity of 36.02 mg/kg. In addition, the adsorption of phosphate could be well fitted by pseudo-second-order model and the process was mainly controlled by film diffusion. The alkali activation process can destroy the octahedral structure of the raw material, so the geopolymer are mainly tetrahedral in structure. Interestingly, new zeolite structures were formed in the mineral crystal phase of FA + MK-0.8, which may facilitate the adsorption of phosphate by geopolymers. Furthermore, the combined FTIR and XRD analysis results indicated that the underlying mechanisms of phosphate adsorption were electrostatic gravitation, ligand exchange, and surface complexation. This research not only synthesizes low-cost and high removal efficiency wastewater purification materials, but also provides a promising application for the elimination and resource utilization of industrial solid waste.
abstract_unstemmed	Design of low-cost and high-removal efficiency phosphate adsorbents is of great significance for the control of eutrophication. In this study, fly ash and metakaolin were used as raw materials to evaluate the capability of phosphate adsorption and to investigate the mechanism of phosphate adsorption. The results of comparing the adsorption effect of geopolymers prepared with different modulus of alkali activator showed that the removal efficiency of phosphate in water at 0.8 M was on average 30.33% higher than 1.2 M. Therefore, FA + MK-0.8 had the maximum removal efficiency of 94.21% for phosphate in water with the maximum adsorption capacity of 36.02 mg/kg. In addition, the adsorption of phosphate could be well fitted by pseudo-second-order model and the process was mainly controlled by film diffusion. The alkali activation process can destroy the octahedral structure of the raw material, so the geopolymer are mainly tetrahedral in structure. Interestingly, new zeolite structures were formed in the mineral crystal phase of FA + MK-0.8, which may facilitate the adsorption of phosphate by geopolymers. Furthermore, the combined FTIR and XRD analysis results indicated that the underlying mechanisms of phosphate adsorption were electrostatic gravitation, ligand exchange, and surface complexation. This research not only synthesizes low-cost and high removal efficiency wastewater purification materials, but also provides a promising application for the elimination and resource utilization of industrial solid waste.
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title_short	Adsorption performance of phosphate in water by mixed precursor base geopolymers
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author2	Lan, Tian Shang, Gaofei Li, Jianhong Geng, Jianjian
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up_date	2024-07-06T23:41:26.795Z
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Adsorption performance of phosphate in water by mixed precursor base geopolymers

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