Elimination of Chromium(VI) and Vanadium(V) from Waters by Carboxymethylcellulose-Stabilized Amorphous Nanoscale Zero-Valent Iron
Abstract Oxyanions including common phosphates, sulfates, carbonates, hexavalent chromium (Cr(VI)), and pentavalent vanadium (V(V)) occur as contaminants in aquifers. Here, carboxymethylcellulose (CMC)-modified amorphous nano zero-valent iron (CMC-AnZVI) was synthesized by liquid-phase reduction and...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhao, Ke [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2022 |
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| Schlagwörter: |
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| Anmerkung: |
© The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022. 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: Water, air & soil pollution - Dordrecht [u.a.] : Springer Science + Business Media B.V, 1971, 233(2022), 12 vom: 25. Nov. |
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| Übergeordnetes Werk: |
volume:233 ; year:2022 ; number:12 ; day:25 ; month:11 |
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| DOI / URN: |
10.1007/s11270-022-05899-w |
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| Katalog-ID: |
SPR048721654 |
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| 520 | |a Abstract Oxyanions including common phosphates, sulfates, carbonates, hexavalent chromium (Cr(VI)), and pentavalent vanadium (V(V)) occur as contaminants in aquifers. Here, carboxymethylcellulose (CMC)-modified amorphous nano zero-valent iron (CMC-AnZVI) was synthesized by liquid-phase reduction and evaluated as a potential aquifer treatment material for Cr(VI) and V(V) removal. The application rate of CMC did not change the crystallinity but affected the reactivity of the material. Furthermore, CMC-AnZVI showed high efficiency and capacity to eliminate Cr(VI) and V(V) due to its distinctive crystal structure and nano size. At pH 7.0 ± 0.2, the Cr(VI) and V(V) elimination rate constants were up to 1.77 × $ 10^{−2} $ $ min^{−1} $ and 1.67 × $ 10^{−1} $ $ min^{−1} $, respectively. In addition, CMC-AnZVI exhibited strong sequestration ability over the wide pH range of 3–11. Langmuir fitted the reaction of CMC-AnZVI and the removal capacities of Cr(VI) and V(V) were 132.8 and 269.5 mg $ g^{−1} $, respectively. The main Cr(VI) elimination mechanism of CMC-AnZVI was reduction and that of V(V) was rapid inner-sphere surface complexation. Consequently, the removal of V(V) was sensitive to Cr(VI) due to the strong oxidation capacity of Cr(VI) and the secondary minerals ($ FeCr_{2} %$ O_{4} $ and Cr(OH)3) created in the reaction covered the active sites. CMC-AnZVI is proposed as an efficient material for the removal of Cr(VI) and V(V) and the interrelationships between oxyanions during elimination require further study. | ||
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10.1007/s11270-022-05899-w doi (DE-627)SPR048721654 (SPR)s11270-022-05899-w-e DE-627 ger DE-627 rakwb eng Zhao, Ke verfasserin aut Elimination of Chromium(VI) and Vanadium(V) from Waters by Carboxymethylcellulose-Stabilized Amorphous Nanoscale Zero-Valent Iron 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022. 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 Oxyanions including common phosphates, sulfates, carbonates, hexavalent chromium (Cr(VI)), and pentavalent vanadium (V(V)) occur as contaminants in aquifers. Here, carboxymethylcellulose (CMC)-modified amorphous nano zero-valent iron (CMC-AnZVI) was synthesized by liquid-phase reduction and evaluated as a potential aquifer treatment material for Cr(VI) and V(V) removal. The application rate of CMC did not change the crystallinity but affected the reactivity of the material. Furthermore, CMC-AnZVI showed high efficiency and capacity to eliminate Cr(VI) and V(V) due to its distinctive crystal structure and nano size. At pH 7.0 ± 0.2, the Cr(VI) and V(V) elimination rate constants were up to 1.77 × $ 10^{−2} $ $ min^{−1} $ and 1.67 × $ 10^{−1} $ $ min^{−1} $, respectively. In addition, CMC-AnZVI exhibited strong sequestration ability over the wide pH range of 3–11. Langmuir fitted the reaction of CMC-AnZVI and the removal capacities of Cr(VI) and V(V) were 132.8 and 269.5 mg $ g^{−1} $, respectively. The main Cr(VI) elimination mechanism of CMC-AnZVI was reduction and that of V(V) was rapid inner-sphere surface complexation. Consequently, the removal of V(V) was sensitive to Cr(VI) due to the strong oxidation capacity of Cr(VI) and the secondary minerals ($ FeCr_{2} %$ O_{4} $ and Cr(OH)3) created in the reaction covered the active sites. CMC-AnZVI is proposed as an efficient material for the removal of Cr(VI) and V(V) and the interrelationships between oxyanions during elimination require further study. Amorphous (dpeaa)DE-He213 Nanoscale zero-valent iron (dpeaa)DE-He213 Hexavalent chromium (dpeaa)DE-He213 Pentavalent vanadium (dpeaa)DE-He213 Competition (dpeaa)DE-He213 Yang, Lu aut Qian, Linbo aut Zhang, Yun aut Hou, Jinyu aut Christie, Peter aut Liu, Wuxing aut Qi, Peishi aut Enthalten in Water, air & soil pollution Dordrecht [u.a.] : Springer Science + Business Media B.V, 1971 233(2022), 12 vom: 25. Nov. (DE-627)271349417 (DE-600)1479824-4 1573-2932 nnns volume:233 year:2022 number:12 day:25 month:11 https://dx.doi.org/10.1007/s11270-022-05899-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_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_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_2008 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 AR 233 2022 12 25 11 |
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10.1007/s11270-022-05899-w doi (DE-627)SPR048721654 (SPR)s11270-022-05899-w-e DE-627 ger DE-627 rakwb eng Zhao, Ke verfasserin aut Elimination of Chromium(VI) and Vanadium(V) from Waters by Carboxymethylcellulose-Stabilized Amorphous Nanoscale Zero-Valent Iron 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022. 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 Oxyanions including common phosphates, sulfates, carbonates, hexavalent chromium (Cr(VI)), and pentavalent vanadium (V(V)) occur as contaminants in aquifers. Here, carboxymethylcellulose (CMC)-modified amorphous nano zero-valent iron (CMC-AnZVI) was synthesized by liquid-phase reduction and evaluated as a potential aquifer treatment material for Cr(VI) and V(V) removal. The application rate of CMC did not change the crystallinity but affected the reactivity of the material. Furthermore, CMC-AnZVI showed high efficiency and capacity to eliminate Cr(VI) and V(V) due to its distinctive crystal structure and nano size. At pH 7.0 ± 0.2, the Cr(VI) and V(V) elimination rate constants were up to 1.77 × $ 10^{−2} $ $ min^{−1} $ and 1.67 × $ 10^{−1} $ $ min^{−1} $, respectively. In addition, CMC-AnZVI exhibited strong sequestration ability over the wide pH range of 3–11. Langmuir fitted the reaction of CMC-AnZVI and the removal capacities of Cr(VI) and V(V) were 132.8 and 269.5 mg $ g^{−1} $, respectively. The main Cr(VI) elimination mechanism of CMC-AnZVI was reduction and that of V(V) was rapid inner-sphere surface complexation. Consequently, the removal of V(V) was sensitive to Cr(VI) due to the strong oxidation capacity of Cr(VI) and the secondary minerals ($ FeCr_{2} %$ O_{4} $ and Cr(OH)3) created in the reaction covered the active sites. CMC-AnZVI is proposed as an efficient material for the removal of Cr(VI) and V(V) and the interrelationships between oxyanions during elimination require further study. Amorphous (dpeaa)DE-He213 Nanoscale zero-valent iron (dpeaa)DE-He213 Hexavalent chromium (dpeaa)DE-He213 Pentavalent vanadium (dpeaa)DE-He213 Competition (dpeaa)DE-He213 Yang, Lu aut Qian, Linbo aut Zhang, Yun aut Hou, Jinyu aut Christie, Peter aut Liu, Wuxing aut Qi, Peishi aut Enthalten in Water, air & soil pollution Dordrecht [u.a.] : Springer Science + Business Media B.V, 1971 233(2022), 12 vom: 25. Nov. (DE-627)271349417 (DE-600)1479824-4 1573-2932 nnns volume:233 year:2022 number:12 day:25 month:11 https://dx.doi.org/10.1007/s11270-022-05899-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_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_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_2008 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 AR 233 2022 12 25 11 |
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10.1007/s11270-022-05899-w doi (DE-627)SPR048721654 (SPR)s11270-022-05899-w-e DE-627 ger DE-627 rakwb eng Zhao, Ke verfasserin aut Elimination of Chromium(VI) and Vanadium(V) from Waters by Carboxymethylcellulose-Stabilized Amorphous Nanoscale Zero-Valent Iron 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022. 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 Oxyanions including common phosphates, sulfates, carbonates, hexavalent chromium (Cr(VI)), and pentavalent vanadium (V(V)) occur as contaminants in aquifers. Here, carboxymethylcellulose (CMC)-modified amorphous nano zero-valent iron (CMC-AnZVI) was synthesized by liquid-phase reduction and evaluated as a potential aquifer treatment material for Cr(VI) and V(V) removal. The application rate of CMC did not change the crystallinity but affected the reactivity of the material. Furthermore, CMC-AnZVI showed high efficiency and capacity to eliminate Cr(VI) and V(V) due to its distinctive crystal structure and nano size. At pH 7.0 ± 0.2, the Cr(VI) and V(V) elimination rate constants were up to 1.77 × $ 10^{−2} $ $ min^{−1} $ and 1.67 × $ 10^{−1} $ $ min^{−1} $, respectively. In addition, CMC-AnZVI exhibited strong sequestration ability over the wide pH range of 3–11. Langmuir fitted the reaction of CMC-AnZVI and the removal capacities of Cr(VI) and V(V) were 132.8 and 269.5 mg $ g^{−1} $, respectively. The main Cr(VI) elimination mechanism of CMC-AnZVI was reduction and that of V(V) was rapid inner-sphere surface complexation. Consequently, the removal of V(V) was sensitive to Cr(VI) due to the strong oxidation capacity of Cr(VI) and the secondary minerals ($ FeCr_{2} %$ O_{4} $ and Cr(OH)3) created in the reaction covered the active sites. CMC-AnZVI is proposed as an efficient material for the removal of Cr(VI) and V(V) and the interrelationships between oxyanions during elimination require further study. Amorphous (dpeaa)DE-He213 Nanoscale zero-valent iron (dpeaa)DE-He213 Hexavalent chromium (dpeaa)DE-He213 Pentavalent vanadium (dpeaa)DE-He213 Competition (dpeaa)DE-He213 Yang, Lu aut Qian, Linbo aut Zhang, Yun aut Hou, Jinyu aut Christie, Peter aut Liu, Wuxing aut Qi, Peishi aut Enthalten in Water, air & soil pollution Dordrecht [u.a.] : Springer Science + Business Media B.V, 1971 233(2022), 12 vom: 25. Nov. (DE-627)271349417 (DE-600)1479824-4 1573-2932 nnns volume:233 year:2022 number:12 day:25 month:11 https://dx.doi.org/10.1007/s11270-022-05899-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_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_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_2008 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 AR 233 2022 12 25 11 |
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10.1007/s11270-022-05899-w doi (DE-627)SPR048721654 (SPR)s11270-022-05899-w-e DE-627 ger DE-627 rakwb eng Zhao, Ke verfasserin aut Elimination of Chromium(VI) and Vanadium(V) from Waters by Carboxymethylcellulose-Stabilized Amorphous Nanoscale Zero-Valent Iron 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022. 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 Oxyanions including common phosphates, sulfates, carbonates, hexavalent chromium (Cr(VI)), and pentavalent vanadium (V(V)) occur as contaminants in aquifers. Here, carboxymethylcellulose (CMC)-modified amorphous nano zero-valent iron (CMC-AnZVI) was synthesized by liquid-phase reduction and evaluated as a potential aquifer treatment material for Cr(VI) and V(V) removal. The application rate of CMC did not change the crystallinity but affected the reactivity of the material. Furthermore, CMC-AnZVI showed high efficiency and capacity to eliminate Cr(VI) and V(V) due to its distinctive crystal structure and nano size. At pH 7.0 ± 0.2, the Cr(VI) and V(V) elimination rate constants were up to 1.77 × $ 10^{−2} $ $ min^{−1} $ and 1.67 × $ 10^{−1} $ $ min^{−1} $, respectively. In addition, CMC-AnZVI exhibited strong sequestration ability over the wide pH range of 3–11. Langmuir fitted the reaction of CMC-AnZVI and the removal capacities of Cr(VI) and V(V) were 132.8 and 269.5 mg $ g^{−1} $, respectively. The main Cr(VI) elimination mechanism of CMC-AnZVI was reduction and that of V(V) was rapid inner-sphere surface complexation. Consequently, the removal of V(V) was sensitive to Cr(VI) due to the strong oxidation capacity of Cr(VI) and the secondary minerals ($ FeCr_{2} %$ O_{4} $ and Cr(OH)3) created in the reaction covered the active sites. CMC-AnZVI is proposed as an efficient material for the removal of Cr(VI) and V(V) and the interrelationships between oxyanions during elimination require further study. Amorphous (dpeaa)DE-He213 Nanoscale zero-valent iron (dpeaa)DE-He213 Hexavalent chromium (dpeaa)DE-He213 Pentavalent vanadium (dpeaa)DE-He213 Competition (dpeaa)DE-He213 Yang, Lu aut Qian, Linbo aut Zhang, Yun aut Hou, Jinyu aut Christie, Peter aut Liu, Wuxing aut Qi, Peishi aut Enthalten in Water, air & soil pollution Dordrecht [u.a.] : Springer Science + Business Media B.V, 1971 233(2022), 12 vom: 25. Nov. (DE-627)271349417 (DE-600)1479824-4 1573-2932 nnns volume:233 year:2022 number:12 day:25 month:11 https://dx.doi.org/10.1007/s11270-022-05899-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_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_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_2008 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 AR 233 2022 12 25 11 |
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10.1007/s11270-022-05899-w doi (DE-627)SPR048721654 (SPR)s11270-022-05899-w-e DE-627 ger DE-627 rakwb eng Zhao, Ke verfasserin aut Elimination of Chromium(VI) and Vanadium(V) from Waters by Carboxymethylcellulose-Stabilized Amorphous Nanoscale Zero-Valent Iron 2022 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022. 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 Oxyanions including common phosphates, sulfates, carbonates, hexavalent chromium (Cr(VI)), and pentavalent vanadium (V(V)) occur as contaminants in aquifers. Here, carboxymethylcellulose (CMC)-modified amorphous nano zero-valent iron (CMC-AnZVI) was synthesized by liquid-phase reduction and evaluated as a potential aquifer treatment material for Cr(VI) and V(V) removal. The application rate of CMC did not change the crystallinity but affected the reactivity of the material. Furthermore, CMC-AnZVI showed high efficiency and capacity to eliminate Cr(VI) and V(V) due to its distinctive crystal structure and nano size. At pH 7.0 ± 0.2, the Cr(VI) and V(V) elimination rate constants were up to 1.77 × $ 10^{−2} $ $ min^{−1} $ and 1.67 × $ 10^{−1} $ $ min^{−1} $, respectively. In addition, CMC-AnZVI exhibited strong sequestration ability over the wide pH range of 3–11. Langmuir fitted the reaction of CMC-AnZVI and the removal capacities of Cr(VI) and V(V) were 132.8 and 269.5 mg $ g^{−1} $, respectively. The main Cr(VI) elimination mechanism of CMC-AnZVI was reduction and that of V(V) was rapid inner-sphere surface complexation. Consequently, the removal of V(V) was sensitive to Cr(VI) due to the strong oxidation capacity of Cr(VI) and the secondary minerals ($ FeCr_{2} %$ O_{4} $ and Cr(OH)3) created in the reaction covered the active sites. CMC-AnZVI is proposed as an efficient material for the removal of Cr(VI) and V(V) and the interrelationships between oxyanions during elimination require further study. Amorphous (dpeaa)DE-He213 Nanoscale zero-valent iron (dpeaa)DE-He213 Hexavalent chromium (dpeaa)DE-He213 Pentavalent vanadium (dpeaa)DE-He213 Competition (dpeaa)DE-He213 Yang, Lu aut Qian, Linbo aut Zhang, Yun aut Hou, Jinyu aut Christie, Peter aut Liu, Wuxing aut Qi, Peishi aut Enthalten in Water, air & soil pollution Dordrecht [u.a.] : Springer Science + Business Media B.V, 1971 233(2022), 12 vom: 25. Nov. (DE-627)271349417 (DE-600)1479824-4 1573-2932 nnns volume:233 year:2022 number:12 day:25 month:11 https://dx.doi.org/10.1007/s11270-022-05899-w lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER 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_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_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_2008 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 AR 233 2022 12 25 11 |
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Enthalten in Water, air & soil pollution 233(2022), 12 vom: 25. Nov. volume:233 year:2022 number:12 day:25 month:11 |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">SPR048721654</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20230509123241.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">221127s2022 xx |||||o 00| ||eng c</controlfield><datafield tag="024" ind1="7" ind2=" "><subfield code="a">10.1007/s11270-022-05899-w</subfield><subfield code="2">doi</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)SPR048721654</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(SPR)s11270-022-05899-w-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="100" ind1="1" ind2=" "><subfield code="a">Zhao, Ke</subfield><subfield code="e">verfasserin</subfield><subfield code="4">aut</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Elimination of Chromium(VI) and Vanadium(V) from Waters by Carboxymethylcellulose-Stabilized Amorphous Nanoscale Zero-Valent Iron</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">2022</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 Nature Switzerland AG 2022. 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 Oxyanions including common phosphates, sulfates, carbonates, hexavalent chromium (Cr(VI)), and pentavalent vanadium (V(V)) occur as contaminants in aquifers. Here, carboxymethylcellulose (CMC)-modified amorphous nano zero-valent iron (CMC-AnZVI) was synthesized by liquid-phase reduction and evaluated as a potential aquifer treatment material for Cr(VI) and V(V) removal. The application rate of CMC did not change the crystallinity but affected the reactivity of the material. Furthermore, CMC-AnZVI showed high efficiency and capacity to eliminate Cr(VI) and V(V) due to its distinctive crystal structure and nano size. At pH 7.0 ± 0.2, the Cr(VI) and V(V) elimination rate constants were up to 1.77 × $ 10^{−2} $ $ min^{−1} $ and 1.67 × $ 10^{−1} $ $ min^{−1} $, respectively. In addition, CMC-AnZVI exhibited strong sequestration ability over the wide pH range of 3–11. Langmuir fitted the reaction of CMC-AnZVI and the removal capacities of Cr(VI) and V(V) were 132.8 and 269.5 mg $ g^{−1} $, respectively. The main Cr(VI) elimination mechanism of CMC-AnZVI was reduction and that of V(V) was rapid inner-sphere surface complexation. Consequently, the removal of V(V) was sensitive to Cr(VI) due to the strong oxidation capacity of Cr(VI) and the secondary minerals ($ FeCr_{2} %$ O_{4} $ and Cr(OH)3) created in the reaction covered the active sites. CMC-AnZVI is proposed as an efficient material for the removal of Cr(VI) and V(V) and the interrelationships between oxyanions during elimination require further study.</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Amorphous</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Nanoscale zero-valent iron</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Hexavalent chromium</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Pentavalent vanadium</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="650" ind1=" " ind2="4"><subfield code="a">Competition</subfield><subfield code="7">(dpeaa)DE-He213</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Yang, Lu</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Qian, Linbo</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Zhang, Yun</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Hou, Jinyu</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Christie, Peter</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Liu, Wuxing</subfield><subfield code="4">aut</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Qi, Peishi</subfield><subfield code="4">aut</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">Enthalten in</subfield><subfield code="t">Water, air & soil pollution</subfield><subfield code="d">Dordrecht [u.a.] : Springer Science + Business Media B.V, 1971</subfield><subfield code="g">233(2022), 12 vom: 25. 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|
| author |
Zhao, Ke |
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Zhao, Ke misc Amorphous misc Nanoscale zero-valent iron misc Hexavalent chromium misc Pentavalent vanadium misc Competition Elimination of Chromium(VI) and Vanadium(V) from Waters by Carboxymethylcellulose-Stabilized Amorphous Nanoscale Zero-Valent Iron |
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1573-2932 |
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Elimination of Chromium(VI) and Vanadium(V) from Waters by Carboxymethylcellulose-Stabilized Amorphous Nanoscale Zero-Valent Iron Amorphous (dpeaa)DE-He213 Nanoscale zero-valent iron (dpeaa)DE-He213 Hexavalent chromium (dpeaa)DE-He213 Pentavalent vanadium (dpeaa)DE-He213 Competition (dpeaa)DE-He213 |
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misc Amorphous misc Nanoscale zero-valent iron misc Hexavalent chromium misc Pentavalent vanadium misc Competition |
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misc Amorphous misc Nanoscale zero-valent iron misc Hexavalent chromium misc Pentavalent vanadium misc Competition |
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misc Amorphous misc Nanoscale zero-valent iron misc Hexavalent chromium misc Pentavalent vanadium misc Competition |
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Elimination of Chromium(VI) and Vanadium(V) from Waters by Carboxymethylcellulose-Stabilized Amorphous Nanoscale Zero-Valent Iron |
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(DE-627)SPR048721654 (SPR)s11270-022-05899-w-e |
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Elimination of Chromium(VI) and Vanadium(V) from Waters by Carboxymethylcellulose-Stabilized Amorphous Nanoscale Zero-Valent Iron |
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Zhao, Ke |
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Zhao, Ke Yang, Lu Qian, Linbo Zhang, Yun Hou, Jinyu Christie, Peter Liu, Wuxing Qi, Peishi |
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233 |
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Elektronische Aufsätze |
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Zhao, Ke |
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10.1007/s11270-022-05899-w |
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elimination of chromium(vi) and vanadium(v) from waters by carboxymethylcellulose-stabilized amorphous nanoscale zero-valent iron |
| title_auth |
Elimination of Chromium(VI) and Vanadium(V) from Waters by Carboxymethylcellulose-Stabilized Amorphous Nanoscale Zero-Valent Iron |
| abstract |
Abstract Oxyanions including common phosphates, sulfates, carbonates, hexavalent chromium (Cr(VI)), and pentavalent vanadium (V(V)) occur as contaminants in aquifers. Here, carboxymethylcellulose (CMC)-modified amorphous nano zero-valent iron (CMC-AnZVI) was synthesized by liquid-phase reduction and evaluated as a potential aquifer treatment material for Cr(VI) and V(V) removal. The application rate of CMC did not change the crystallinity but affected the reactivity of the material. Furthermore, CMC-AnZVI showed high efficiency and capacity to eliminate Cr(VI) and V(V) due to its distinctive crystal structure and nano size. At pH 7.0 ± 0.2, the Cr(VI) and V(V) elimination rate constants were up to 1.77 × $ 10^{−2} $ $ min^{−1} $ and 1.67 × $ 10^{−1} $ $ min^{−1} $, respectively. In addition, CMC-AnZVI exhibited strong sequestration ability over the wide pH range of 3–11. Langmuir fitted the reaction of CMC-AnZVI and the removal capacities of Cr(VI) and V(V) were 132.8 and 269.5 mg $ g^{−1} $, respectively. The main Cr(VI) elimination mechanism of CMC-AnZVI was reduction and that of V(V) was rapid inner-sphere surface complexation. Consequently, the removal of V(V) was sensitive to Cr(VI) due to the strong oxidation capacity of Cr(VI) and the secondary minerals ($ FeCr_{2} %$ O_{4} $ and Cr(OH)3) created in the reaction covered the active sites. CMC-AnZVI is proposed as an efficient material for the removal of Cr(VI) and V(V) and the interrelationships between oxyanions during elimination require further study. © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022. 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 Oxyanions including common phosphates, sulfates, carbonates, hexavalent chromium (Cr(VI)), and pentavalent vanadium (V(V)) occur as contaminants in aquifers. Here, carboxymethylcellulose (CMC)-modified amorphous nano zero-valent iron (CMC-AnZVI) was synthesized by liquid-phase reduction and evaluated as a potential aquifer treatment material for Cr(VI) and V(V) removal. The application rate of CMC did not change the crystallinity but affected the reactivity of the material. Furthermore, CMC-AnZVI showed high efficiency and capacity to eliminate Cr(VI) and V(V) due to its distinctive crystal structure and nano size. At pH 7.0 ± 0.2, the Cr(VI) and V(V) elimination rate constants were up to 1.77 × $ 10^{−2} $ $ min^{−1} $ and 1.67 × $ 10^{−1} $ $ min^{−1} $, respectively. In addition, CMC-AnZVI exhibited strong sequestration ability over the wide pH range of 3–11. Langmuir fitted the reaction of CMC-AnZVI and the removal capacities of Cr(VI) and V(V) were 132.8 and 269.5 mg $ g^{−1} $, respectively. The main Cr(VI) elimination mechanism of CMC-AnZVI was reduction and that of V(V) was rapid inner-sphere surface complexation. Consequently, the removal of V(V) was sensitive to Cr(VI) due to the strong oxidation capacity of Cr(VI) and the secondary minerals ($ FeCr_{2} %$ O_{4} $ and Cr(OH)3) created in the reaction covered the active sites. CMC-AnZVI is proposed as an efficient material for the removal of Cr(VI) and V(V) and the interrelationships between oxyanions during elimination require further study. © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022. 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 Oxyanions including common phosphates, sulfates, carbonates, hexavalent chromium (Cr(VI)), and pentavalent vanadium (V(V)) occur as contaminants in aquifers. Here, carboxymethylcellulose (CMC)-modified amorphous nano zero-valent iron (CMC-AnZVI) was synthesized by liquid-phase reduction and evaluated as a potential aquifer treatment material for Cr(VI) and V(V) removal. The application rate of CMC did not change the crystallinity but affected the reactivity of the material. Furthermore, CMC-AnZVI showed high efficiency and capacity to eliminate Cr(VI) and V(V) due to its distinctive crystal structure and nano size. At pH 7.0 ± 0.2, the Cr(VI) and V(V) elimination rate constants were up to 1.77 × $ 10^{−2} $ $ min^{−1} $ and 1.67 × $ 10^{−1} $ $ min^{−1} $, respectively. In addition, CMC-AnZVI exhibited strong sequestration ability over the wide pH range of 3–11. Langmuir fitted the reaction of CMC-AnZVI and the removal capacities of Cr(VI) and V(V) were 132.8 and 269.5 mg $ g^{−1} $, respectively. The main Cr(VI) elimination mechanism of CMC-AnZVI was reduction and that of V(V) was rapid inner-sphere surface complexation. Consequently, the removal of V(V) was sensitive to Cr(VI) due to the strong oxidation capacity of Cr(VI) and the secondary minerals ($ FeCr_{2} %$ O_{4} $ and Cr(OH)3) created in the reaction covered the active sites. CMC-AnZVI is proposed as an efficient material for the removal of Cr(VI) and V(V) and the interrelationships between oxyanions during elimination require further study. © The Author(s), under exclusive licence to Springer Nature Switzerland AG 2022. 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 |
Elimination of Chromium(VI) and Vanadium(V) from Waters by Carboxymethylcellulose-Stabilized Amorphous Nanoscale Zero-Valent Iron |
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https://dx.doi.org/10.1007/s11270-022-05899-w |
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Yang, Lu Qian, Linbo Zhang, Yun Hou, Jinyu Christie, Peter Liu, Wuxing Qi, Peishi |
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Yang, Lu Qian, Linbo Zhang, Yun Hou, Jinyu Christie, Peter Liu, Wuxing Qi, Peishi |
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2024-07-03T21:03:41.269Z |
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| score |
7.3996906 |