Effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $
Abstract The effects of calcium-to-silicon ratio on the properties of fly ash (FA)-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ were studied. The calcium-to-silicon ratio had a significant effect on the structural properties of the tobermorite samples. The specific su...
Ausführliche Beschreibung
Autor*in: |
Wang, Zehua [verfasserIn] Su, Ningning [verfasserIn] Zheng, Boying [verfasserIn] Liu, Yiwen [verfasserIn] Qian, Tianjun [verfasserIn] Wu, Daishe [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2024 |
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Anmerkung: |
© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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Übergeordnetes Werk: |
Enthalten in: Environmental science and pollution research - Springer Berlin Heidelberg, 1994, 31(2024), 27 vom: 30. Mai, Seite 39194-39207 |
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Übergeordnetes Werk: |
volume:31 ; year:2024 ; number:27 ; day:30 ; month:05 ; pages:39194-39207 |
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DOI / URN: |
10.1007/s11356-024-33837-2 |
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Katalog-ID: |
SPR056294468 |
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520 | |a Abstract The effects of calcium-to-silicon ratio on the properties of fly ash (FA)-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ were studied. The calcium-to-silicon ratio had a significant effect on the structural properties of the tobermorite samples. The specific surface area, pore volume, and average pore size of mesoporous tobermorite samples with different calcium-to-silicon ratios (0.8TOB, 1.2TOB, and 1.6TOB) were much larger than those of FA, and those of 1.2TOB were the largest, which were 53.29 $ m^{2} $/g, 0.448 $ cm^{3} $/g, and 30.50 nm, respectively. The removal efficiencies of $ Zn^{2+} $ and $ Mn^{2+} $ by 1.2TOB were 84.19% and 47.67%, respectively, which were much higher than those of 0.8TOB (60.62% and 42.41%), 1.6TOB (46.69% and 24.31%), and FA (4.13% and 6.95%). The adsorption of $ Zn^{2+} $ and $ Mn^{2+} $ by 0.8TOB, 1.2TOB, and 1.6TOB was corresponding to the pseudo-second-order kinetic model and Langmuir isotherm model. Particularly, 1.2 TOB showed the highest maximum adsorption capacities of $ Zn^{2+} $ and $ Mn^{2+} $ calculated from the Langmuir model, which were 129.70 mg/g and 82.09 mg/g, respectively. Moreover, the adsorption mechanisms might be due to the combination with –OH and the interlayer adsorption of the samples. This research provides new insight into the fly ash-based adsorbents towards $ Zn^{2+} $ and $ Mn^{2+} $ in wastewater. | ||
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700 | 1 | |a Qian, Tianjun |e verfasserin |4 aut | |
700 | 1 | |a Wu, Daishe |e verfasserin |4 aut | |
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10.1007/s11356-024-33837-2 doi (DE-627)SPR056294468 (SPR)s11356-024-33837-2-e DE-627 ger DE-627 rakwb eng 333.7 690 VZ 43.00 bkl 43.50 bkl 58.50 bkl Wang, Zehua verfasserin (orcid)0000-0003-1361-7651 aut Effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The effects of calcium-to-silicon ratio on the properties of fly ash (FA)-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ were studied. The calcium-to-silicon ratio had a significant effect on the structural properties of the tobermorite samples. The specific surface area, pore volume, and average pore size of mesoporous tobermorite samples with different calcium-to-silicon ratios (0.8TOB, 1.2TOB, and 1.6TOB) were much larger than those of FA, and those of 1.2TOB were the largest, which were 53.29 $ m^{2} $/g, 0.448 $ cm^{3} $/g, and 30.50 nm, respectively. The removal efficiencies of $ Zn^{2+} $ and $ Mn^{2+} $ by 1.2TOB were 84.19% and 47.67%, respectively, which were much higher than those of 0.8TOB (60.62% and 42.41%), 1.6TOB (46.69% and 24.31%), and FA (4.13% and 6.95%). The adsorption of $ Zn^{2+} $ and $ Mn^{2+} $ by 0.8TOB, 1.2TOB, and 1.6TOB was corresponding to the pseudo-second-order kinetic model and Langmuir isotherm model. Particularly, 1.2 TOB showed the highest maximum adsorption capacities of $ Zn^{2+} $ and $ Mn^{2+} $ calculated from the Langmuir model, which were 129.70 mg/g and 82.09 mg/g, respectively. Moreover, the adsorption mechanisms might be due to the combination with –OH and the interlayer adsorption of the samples. This research provides new insight into the fly ash-based adsorbents towards $ Zn^{2+} $ and $ Mn^{2+} $ in wastewater. Fly ash (dpeaa)DE-He213 Tobermorite (dpeaa)DE-He213 Adsorption (dpeaa)DE-He213 Zn (dpeaa)DE-He213 Mn (dpeaa)DE-He213 Su, Ningning verfasserin aut Zheng, Boying verfasserin aut Liu, Yiwen verfasserin aut Qian, Tianjun verfasserin aut Wu, Daishe verfasserin aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 31(2024), 27 vom: 30. Mai, Seite 39194-39207 (DE-627)320517926 (DE-600)2014192-0 1614-7499 nnns volume:31 year:2024 number:27 day:30 month:05 pages:39194-39207 https://dx.doi.org/10.1007/s11356-024-33837-2 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OPC-GGO GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 43.00 VZ 43.50 VZ 58.50 VZ AR 31 2024 27 30 05 39194-39207 |
spelling |
10.1007/s11356-024-33837-2 doi (DE-627)SPR056294468 (SPR)s11356-024-33837-2-e DE-627 ger DE-627 rakwb eng 333.7 690 VZ 43.00 bkl 43.50 bkl 58.50 bkl Wang, Zehua verfasserin (orcid)0000-0003-1361-7651 aut Effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The effects of calcium-to-silicon ratio on the properties of fly ash (FA)-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ were studied. The calcium-to-silicon ratio had a significant effect on the structural properties of the tobermorite samples. The specific surface area, pore volume, and average pore size of mesoporous tobermorite samples with different calcium-to-silicon ratios (0.8TOB, 1.2TOB, and 1.6TOB) were much larger than those of FA, and those of 1.2TOB were the largest, which were 53.29 $ m^{2} $/g, 0.448 $ cm^{3} $/g, and 30.50 nm, respectively. The removal efficiencies of $ Zn^{2+} $ and $ Mn^{2+} $ by 1.2TOB were 84.19% and 47.67%, respectively, which were much higher than those of 0.8TOB (60.62% and 42.41%), 1.6TOB (46.69% and 24.31%), and FA (4.13% and 6.95%). The adsorption of $ Zn^{2+} $ and $ Mn^{2+} $ by 0.8TOB, 1.2TOB, and 1.6TOB was corresponding to the pseudo-second-order kinetic model and Langmuir isotherm model. Particularly, 1.2 TOB showed the highest maximum adsorption capacities of $ Zn^{2+} $ and $ Mn^{2+} $ calculated from the Langmuir model, which were 129.70 mg/g and 82.09 mg/g, respectively. Moreover, the adsorption mechanisms might be due to the combination with –OH and the interlayer adsorption of the samples. This research provides new insight into the fly ash-based adsorbents towards $ Zn^{2+} $ and $ Mn^{2+} $ in wastewater. Fly ash (dpeaa)DE-He213 Tobermorite (dpeaa)DE-He213 Adsorption (dpeaa)DE-He213 Zn (dpeaa)DE-He213 Mn (dpeaa)DE-He213 Su, Ningning verfasserin aut Zheng, Boying verfasserin aut Liu, Yiwen verfasserin aut Qian, Tianjun verfasserin aut Wu, Daishe verfasserin aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 31(2024), 27 vom: 30. Mai, Seite 39194-39207 (DE-627)320517926 (DE-600)2014192-0 1614-7499 nnns volume:31 year:2024 number:27 day:30 month:05 pages:39194-39207 https://dx.doi.org/10.1007/s11356-024-33837-2 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OPC-GGO GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 43.00 VZ 43.50 VZ 58.50 VZ AR 31 2024 27 30 05 39194-39207 |
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10.1007/s11356-024-33837-2 doi (DE-627)SPR056294468 (SPR)s11356-024-33837-2-e DE-627 ger DE-627 rakwb eng 333.7 690 VZ 43.00 bkl 43.50 bkl 58.50 bkl Wang, Zehua verfasserin (orcid)0000-0003-1361-7651 aut Effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The effects of calcium-to-silicon ratio on the properties of fly ash (FA)-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ were studied. The calcium-to-silicon ratio had a significant effect on the structural properties of the tobermorite samples. The specific surface area, pore volume, and average pore size of mesoporous tobermorite samples with different calcium-to-silicon ratios (0.8TOB, 1.2TOB, and 1.6TOB) were much larger than those of FA, and those of 1.2TOB were the largest, which were 53.29 $ m^{2} $/g, 0.448 $ cm^{3} $/g, and 30.50 nm, respectively. The removal efficiencies of $ Zn^{2+} $ and $ Mn^{2+} $ by 1.2TOB were 84.19% and 47.67%, respectively, which were much higher than those of 0.8TOB (60.62% and 42.41%), 1.6TOB (46.69% and 24.31%), and FA (4.13% and 6.95%). The adsorption of $ Zn^{2+} $ and $ Mn^{2+} $ by 0.8TOB, 1.2TOB, and 1.6TOB was corresponding to the pseudo-second-order kinetic model and Langmuir isotherm model. Particularly, 1.2 TOB showed the highest maximum adsorption capacities of $ Zn^{2+} $ and $ Mn^{2+} $ calculated from the Langmuir model, which were 129.70 mg/g and 82.09 mg/g, respectively. Moreover, the adsorption mechanisms might be due to the combination with –OH and the interlayer adsorption of the samples. This research provides new insight into the fly ash-based adsorbents towards $ Zn^{2+} $ and $ Mn^{2+} $ in wastewater. Fly ash (dpeaa)DE-He213 Tobermorite (dpeaa)DE-He213 Adsorption (dpeaa)DE-He213 Zn (dpeaa)DE-He213 Mn (dpeaa)DE-He213 Su, Ningning verfasserin aut Zheng, Boying verfasserin aut Liu, Yiwen verfasserin aut Qian, Tianjun verfasserin aut Wu, Daishe verfasserin aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 31(2024), 27 vom: 30. Mai, Seite 39194-39207 (DE-627)320517926 (DE-600)2014192-0 1614-7499 nnns volume:31 year:2024 number:27 day:30 month:05 pages:39194-39207 https://dx.doi.org/10.1007/s11356-024-33837-2 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OPC-GGO GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 43.00 VZ 43.50 VZ 58.50 VZ AR 31 2024 27 30 05 39194-39207 |
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10.1007/s11356-024-33837-2 doi (DE-627)SPR056294468 (SPR)s11356-024-33837-2-e DE-627 ger DE-627 rakwb eng 333.7 690 VZ 43.00 bkl 43.50 bkl 58.50 bkl Wang, Zehua verfasserin (orcid)0000-0003-1361-7651 aut Effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The effects of calcium-to-silicon ratio on the properties of fly ash (FA)-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ were studied. The calcium-to-silicon ratio had a significant effect on the structural properties of the tobermorite samples. The specific surface area, pore volume, and average pore size of mesoporous tobermorite samples with different calcium-to-silicon ratios (0.8TOB, 1.2TOB, and 1.6TOB) were much larger than those of FA, and those of 1.2TOB were the largest, which were 53.29 $ m^{2} $/g, 0.448 $ cm^{3} $/g, and 30.50 nm, respectively. The removal efficiencies of $ Zn^{2+} $ and $ Mn^{2+} $ by 1.2TOB were 84.19% and 47.67%, respectively, which were much higher than those of 0.8TOB (60.62% and 42.41%), 1.6TOB (46.69% and 24.31%), and FA (4.13% and 6.95%). The adsorption of $ Zn^{2+} $ and $ Mn^{2+} $ by 0.8TOB, 1.2TOB, and 1.6TOB was corresponding to the pseudo-second-order kinetic model and Langmuir isotherm model. Particularly, 1.2 TOB showed the highest maximum adsorption capacities of $ Zn^{2+} $ and $ Mn^{2+} $ calculated from the Langmuir model, which were 129.70 mg/g and 82.09 mg/g, respectively. Moreover, the adsorption mechanisms might be due to the combination with –OH and the interlayer adsorption of the samples. This research provides new insight into the fly ash-based adsorbents towards $ Zn^{2+} $ and $ Mn^{2+} $ in wastewater. Fly ash (dpeaa)DE-He213 Tobermorite (dpeaa)DE-He213 Adsorption (dpeaa)DE-He213 Zn (dpeaa)DE-He213 Mn (dpeaa)DE-He213 Su, Ningning verfasserin aut Zheng, Boying verfasserin aut Liu, Yiwen verfasserin aut Qian, Tianjun verfasserin aut Wu, Daishe verfasserin aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 31(2024), 27 vom: 30. Mai, Seite 39194-39207 (DE-627)320517926 (DE-600)2014192-0 1614-7499 nnns volume:31 year:2024 number:27 day:30 month:05 pages:39194-39207 https://dx.doi.org/10.1007/s11356-024-33837-2 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OPC-GGO GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 43.00 VZ 43.50 VZ 58.50 VZ AR 31 2024 27 30 05 39194-39207 |
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10.1007/s11356-024-33837-2 doi (DE-627)SPR056294468 (SPR)s11356-024-33837-2-e DE-627 ger DE-627 rakwb eng 333.7 690 VZ 43.00 bkl 43.50 bkl 58.50 bkl Wang, Zehua verfasserin (orcid)0000-0003-1361-7651 aut Effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. Abstract The effects of calcium-to-silicon ratio on the properties of fly ash (FA)-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ were studied. The calcium-to-silicon ratio had a significant effect on the structural properties of the tobermorite samples. The specific surface area, pore volume, and average pore size of mesoporous tobermorite samples with different calcium-to-silicon ratios (0.8TOB, 1.2TOB, and 1.6TOB) were much larger than those of FA, and those of 1.2TOB were the largest, which were 53.29 $ m^{2} $/g, 0.448 $ cm^{3} $/g, and 30.50 nm, respectively. The removal efficiencies of $ Zn^{2+} $ and $ Mn^{2+} $ by 1.2TOB were 84.19% and 47.67%, respectively, which were much higher than those of 0.8TOB (60.62% and 42.41%), 1.6TOB (46.69% and 24.31%), and FA (4.13% and 6.95%). The adsorption of $ Zn^{2+} $ and $ Mn^{2+} $ by 0.8TOB, 1.2TOB, and 1.6TOB was corresponding to the pseudo-second-order kinetic model and Langmuir isotherm model. Particularly, 1.2 TOB showed the highest maximum adsorption capacities of $ Zn^{2+} $ and $ Mn^{2+} $ calculated from the Langmuir model, which were 129.70 mg/g and 82.09 mg/g, respectively. Moreover, the adsorption mechanisms might be due to the combination with –OH and the interlayer adsorption of the samples. This research provides new insight into the fly ash-based adsorbents towards $ Zn^{2+} $ and $ Mn^{2+} $ in wastewater. Fly ash (dpeaa)DE-He213 Tobermorite (dpeaa)DE-He213 Adsorption (dpeaa)DE-He213 Zn (dpeaa)DE-He213 Mn (dpeaa)DE-He213 Su, Ningning verfasserin aut Zheng, Boying verfasserin aut Liu, Yiwen verfasserin aut Qian, Tianjun verfasserin aut Wu, Daishe verfasserin aut Enthalten in Environmental science and pollution research Springer Berlin Heidelberg, 1994 31(2024), 27 vom: 30. Mai, Seite 39194-39207 (DE-627)320517926 (DE-600)2014192-0 1614-7499 nnns volume:31 year:2024 number:27 day:30 month:05 pages:39194-39207 https://dx.doi.org/10.1007/s11356-024-33837-2 X:SPRINGER Resolving-System lizenzpflichtig Volltext SYSFLAG_0 GBV_SPRINGER SSG-OPC-GGO GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 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_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_381 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2118 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2360 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4325 GBV_ILN_4326 GBV_ILN_4328 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 43.00 VZ 43.50 VZ 58.50 VZ AR 31 2024 27 30 05 39194-39207 |
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Enthalten in Environmental science and pollution research 31(2024), 27 vom: 30. Mai, Seite 39194-39207 volume:31 year:2024 number:27 day:30 month:05 pages:39194-39207 |
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Wang, Zehua @@aut@@ Su, Ningning @@aut@@ Zheng, Boying @@aut@@ Liu, Yiwen @@aut@@ Qian, Tianjun @@aut@@ Wu, Daishe @@aut@@ |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000naa a22002652 4500</leader><controlfield tag="001">SPR056294468</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20240620064705.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">240620s2024 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s11356-024-33837-2</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR056294468</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s11356-024-33837-2-e</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="082" ind1="0" ind2="4"><subfield code="a">333.7</subfield><subfield code="a">690</subfield><subfield code="q">VZ</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">43.00</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">43.50</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="084" ind1=" " ind2=" "><subfield code="a">58.50</subfield><subfield code="2">bkl</subfield></datafield><datafield tag="100" ind1="1" ind2=" "><subfield code="a">Wang, Zehua</subfield><subfield code="e">verfasserin</subfield><subfield code="0">(orcid)0000-0003-1361-7651</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2024</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">Text</subfield><subfield code="b">txt</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">Computermedien</subfield><subfield code="b">c</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">Online-Ressource</subfield><subfield code="b">cr</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="500" ind1=" " ind2=" "><subfield code="a">© The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Abstract The effects of calcium-to-silicon ratio on the properties of fly ash (FA)-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ were studied. The calcium-to-silicon ratio had a significant effect on the structural properties of the tobermorite samples. The specific surface area, pore volume, and average pore size of mesoporous tobermorite samples with different calcium-to-silicon ratios (0.8TOB, 1.2TOB, and 1.6TOB) were much larger than those of FA, and those of 1.2TOB were the largest, which were 53.29 $ m^{2} $/g, 0.448 $ cm^{3} $/g, and 30.50 nm, respectively. The removal efficiencies of $ Zn^{2+} $ and $ Mn^{2+} $ by 1.2TOB were 84.19% and 47.67%, respectively, which were much higher than those of 0.8TOB (60.62% and 42.41%), 1.6TOB (46.69% and 24.31%), and FA (4.13% and 6.95%). The adsorption of $ Zn^{2+} $ and $ Mn^{2+} $ by 0.8TOB, 1.2TOB, and 1.6TOB was corresponding to the pseudo-second-order kinetic model and Langmuir isotherm model. Particularly, 1.2 TOB showed the highest maximum adsorption capacities of $ Zn^{2+} $ and $ Mn^{2+} $ calculated from the Langmuir model, which were 129.70 mg/g and 82.09 mg/g, respectively. Moreover, the adsorption mechanisms might be due to the combination with –OH and the interlayer adsorption of the samples. 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|
author |
Wang, Zehua |
spellingShingle |
Wang, Zehua ddc 333.7 bkl 43.00 bkl 43.50 bkl 58.50 misc Fly ash misc Tobermorite misc Adsorption misc Zn misc Mn Effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ |
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Wang, Zehua |
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333 - Economics of land & energy 690 - Buildings |
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1614-7499 |
topic_title |
333.7 690 VZ 43.00 bkl 43.50 bkl 58.50 bkl Effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ Fly ash (dpeaa)DE-He213 Tobermorite (dpeaa)DE-He213 Adsorption (dpeaa)DE-He213 Zn (dpeaa)DE-He213 Mn (dpeaa)DE-He213 |
topic |
ddc 333.7 bkl 43.00 bkl 43.50 bkl 58.50 misc Fly ash misc Tobermorite misc Adsorption misc Zn misc Mn |
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ddc 333.7 bkl 43.00 bkl 43.50 bkl 58.50 misc Fly ash misc Tobermorite misc Adsorption misc Zn misc Mn |
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ddc 333.7 bkl 43.00 bkl 43.50 bkl 58.50 misc Fly ash misc Tobermorite misc Adsorption misc Zn misc Mn |
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Elektronische Aufsätze Aufsätze Elektronische Ressource |
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Environmental science and pollution research |
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(DE-627)320517926 (DE-600)2014192-0 |
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Effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ |
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Effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ |
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Wang, Zehua |
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Environmental science and pollution research |
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Environmental science and pollution research |
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eng |
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Wang, Zehua Su, Ningning Zheng, Boying Liu, Yiwen Qian, Tianjun Wu, Daishe |
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Wang, Zehua |
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10.1007/s11356-024-33837-2 |
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title_sort |
effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ zn^{2+} $ and $ mn^{2+} $ |
title_auth |
Effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ |
abstract |
Abstract The effects of calcium-to-silicon ratio on the properties of fly ash (FA)-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ were studied. The calcium-to-silicon ratio had a significant effect on the structural properties of the tobermorite samples. The specific surface area, pore volume, and average pore size of mesoporous tobermorite samples with different calcium-to-silicon ratios (0.8TOB, 1.2TOB, and 1.6TOB) were much larger than those of FA, and those of 1.2TOB were the largest, which were 53.29 $ m^{2} $/g, 0.448 $ cm^{3} $/g, and 30.50 nm, respectively. The removal efficiencies of $ Zn^{2+} $ and $ Mn^{2+} $ by 1.2TOB were 84.19% and 47.67%, respectively, which were much higher than those of 0.8TOB (60.62% and 42.41%), 1.6TOB (46.69% and 24.31%), and FA (4.13% and 6.95%). The adsorption of $ Zn^{2+} $ and $ Mn^{2+} $ by 0.8TOB, 1.2TOB, and 1.6TOB was corresponding to the pseudo-second-order kinetic model and Langmuir isotherm model. Particularly, 1.2 TOB showed the highest maximum adsorption capacities of $ Zn^{2+} $ and $ Mn^{2+} $ calculated from the Langmuir model, which were 129.70 mg/g and 82.09 mg/g, respectively. Moreover, the adsorption mechanisms might be due to the combination with –OH and the interlayer adsorption of the samples. This research provides new insight into the fly ash-based adsorbents towards $ Zn^{2+} $ and $ Mn^{2+} $ in wastewater. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
abstractGer |
Abstract The effects of calcium-to-silicon ratio on the properties of fly ash (FA)-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ were studied. The calcium-to-silicon ratio had a significant effect on the structural properties of the tobermorite samples. The specific surface area, pore volume, and average pore size of mesoporous tobermorite samples with different calcium-to-silicon ratios (0.8TOB, 1.2TOB, and 1.6TOB) were much larger than those of FA, and those of 1.2TOB were the largest, which were 53.29 $ m^{2} $/g, 0.448 $ cm^{3} $/g, and 30.50 nm, respectively. The removal efficiencies of $ Zn^{2+} $ and $ Mn^{2+} $ by 1.2TOB were 84.19% and 47.67%, respectively, which were much higher than those of 0.8TOB (60.62% and 42.41%), 1.6TOB (46.69% and 24.31%), and FA (4.13% and 6.95%). The adsorption of $ Zn^{2+} $ and $ Mn^{2+} $ by 0.8TOB, 1.2TOB, and 1.6TOB was corresponding to the pseudo-second-order kinetic model and Langmuir isotherm model. Particularly, 1.2 TOB showed the highest maximum adsorption capacities of $ Zn^{2+} $ and $ Mn^{2+} $ calculated from the Langmuir model, which were 129.70 mg/g and 82.09 mg/g, respectively. Moreover, the adsorption mechanisms might be due to the combination with –OH and the interlayer adsorption of the samples. This research provides new insight into the fly ash-based adsorbents towards $ Zn^{2+} $ and $ Mn^{2+} $ in wastewater. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
abstract_unstemmed |
Abstract The effects of calcium-to-silicon ratio on the properties of fly ash (FA)-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ were studied. The calcium-to-silicon ratio had a significant effect on the structural properties of the tobermorite samples. The specific surface area, pore volume, and average pore size of mesoporous tobermorite samples with different calcium-to-silicon ratios (0.8TOB, 1.2TOB, and 1.6TOB) were much larger than those of FA, and those of 1.2TOB were the largest, which were 53.29 $ m^{2} $/g, 0.448 $ cm^{3} $/g, and 30.50 nm, respectively. The removal efficiencies of $ Zn^{2+} $ and $ Mn^{2+} $ by 1.2TOB were 84.19% and 47.67%, respectively, which were much higher than those of 0.8TOB (60.62% and 42.41%), 1.6TOB (46.69% and 24.31%), and FA (4.13% and 6.95%). The adsorption of $ Zn^{2+} $ and $ Mn^{2+} $ by 0.8TOB, 1.2TOB, and 1.6TOB was corresponding to the pseudo-second-order kinetic model and Langmuir isotherm model. Particularly, 1.2 TOB showed the highest maximum adsorption capacities of $ Zn^{2+} $ and $ Mn^{2+} $ calculated from the Langmuir model, which were 129.70 mg/g and 82.09 mg/g, respectively. Moreover, the adsorption mechanisms might be due to the combination with –OH and the interlayer adsorption of the samples. This research provides new insight into the fly ash-based adsorbents towards $ Zn^{2+} $ and $ Mn^{2+} $ in wastewater. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. Springer Nature or its licensor (e.g. a society or other partner) holds exclusive rights to this article under a publishing agreement with the author(s) or other rightsholder(s); author self-archiving of the accepted manuscript version of this article is solely governed by the terms of such publishing agreement and applicable law. |
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title_short |
Effects of calcium-to-silicon ratio on the properties of fly ash-based tobermorite and its removal performance of $ Zn^{2+} $ and $ Mn^{2+} $ |
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score |
7.401412 |