Chromium speciation in a contaminated groundwater: redox processes and temporal variability
Abstract Chromium species (Cr(III), Cr(VI), and Cr(III)-organic) in groundwater of a tannery contaminated area were monitored during pre- and post-monsoon seasons for a period of 3 years (May 2004 to January 2007). The objectives of the study were (1) to investigate the temporal variation of chromiu...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Kumar, Asirvatham Ramesh [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2010 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media B.V. 2010 |
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| Übergeordnetes Werk: |
Enthalten in: Environmental monitoring and assessment - Springer Netherlands, 1981, 176(2010), 1-4 vom: 27. Juli, Seite 647-662 |
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| Übergeordnetes Werk: |
volume:176 ; year:2010 ; number:1-4 ; day:27 ; month:07 ; pages:647-662 |
| Links: |
|---|
| DOI / URN: |
10.1007/s10661-010-1610-5 |
|---|
| Katalog-ID: |
OLC2073742521 |
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| 520 | |a Abstract Chromium species (Cr(III), Cr(VI), and Cr(III)-organic) in groundwater of a tannery contaminated area were monitored during pre- and post-monsoon seasons for a period of 3 years (May 2004 to January 2007). The objectives of the study were (1) to investigate the temporal variation of chromium species and other matrix constituents and (2) to study the redox processes associated with the temporal variation of chromium species. Samples were collected from 15 dug wells and analyzed for chromium species and other constituents. The results showed that the groundwater was relatively more oxidizing during post-monsoon periods than the pre-monsoon periods. Except one sample, the concentration of chromium species were found in the order of Cr(VI)>Cr(III)>Cr(III)-organic complexes during all the pre- and post-monsoon periods. In most of the wells, the concentrations of Cr(III), Cr(VI), and Cr(III)-organic decreased during post-monsoon periods compared to their pre-monsoon concentrations. However, the Cr(VI)/$ Cr_{Total} $ ratio still increased and the Cr(III)/$ Cr_{Total} $ ratio decreased during post-monsoon periods in most of the samples. The possible mechanisms for the temporal variation of chromium species were (1) Fe(II) reduction of Cr(VI) vs oxidation of Fe(II) by dissolved oxygen and (2) oxidation of Cr(III) by Mn(IV). | ||
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10.1007/s10661-010-1610-5 doi (DE-627)OLC2073742521 (DE-He213)s10661-010-1610-5-p DE-627 ger DE-627 rakwb eng 333.7 VZ Kumar, Asirvatham Ramesh verfasserin aut Chromium speciation in a contaminated groundwater: redox processes and temporal variability 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract Chromium species (Cr(III), Cr(VI), and Cr(III)-organic) in groundwater of a tannery contaminated area were monitored during pre- and post-monsoon seasons for a period of 3 years (May 2004 to January 2007). The objectives of the study were (1) to investigate the temporal variation of chromium species and other matrix constituents and (2) to study the redox processes associated with the temporal variation of chromium species. Samples were collected from 15 dug wells and analyzed for chromium species and other constituents. The results showed that the groundwater was relatively more oxidizing during post-monsoon periods than the pre-monsoon periods. Except one sample, the concentration of chromium species were found in the order of Cr(VI)>Cr(III)>Cr(III)-organic complexes during all the pre- and post-monsoon periods. In most of the wells, the concentrations of Cr(III), Cr(VI), and Cr(III)-organic decreased during post-monsoon periods compared to their pre-monsoon concentrations. However, the Cr(VI)/$ Cr_{Total} $ ratio still increased and the Cr(III)/$ Cr_{Total} $ ratio decreased during post-monsoon periods in most of the samples. The possible mechanisms for the temporal variation of chromium species were (1) Fe(II) reduction of Cr(VI) vs oxidation of Fe(II) by dissolved oxygen and (2) oxidation of Cr(III) by Mn(IV). Chromium speciation Redox transformation Chromium(III) Chromium(VI) Chromium(III)-organic complexes Groundwater Riyazuddin, Patel aut Enthalten in Environmental monitoring and assessment Springer Netherlands, 1981 176(2010), 1-4 vom: 27. Juli, Seite 647-662 (DE-627)130549649 (DE-600)782621-7 (DE-576)476125413 0167-6369 nnns volume:176 year:2010 number:1-4 day:27 month:07 pages:647-662 https://doi.org/10.1007/s10661-010-1610-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OLC-IBL GBV_ILN_22 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 AR 176 2010 1-4 27 07 647-662 |
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10.1007/s10661-010-1610-5 doi (DE-627)OLC2073742521 (DE-He213)s10661-010-1610-5-p DE-627 ger DE-627 rakwb eng 333.7 VZ Kumar, Asirvatham Ramesh verfasserin aut Chromium speciation in a contaminated groundwater: redox processes and temporal variability 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract Chromium species (Cr(III), Cr(VI), and Cr(III)-organic) in groundwater of a tannery contaminated area were monitored during pre- and post-monsoon seasons for a period of 3 years (May 2004 to January 2007). The objectives of the study were (1) to investigate the temporal variation of chromium species and other matrix constituents and (2) to study the redox processes associated with the temporal variation of chromium species. Samples were collected from 15 dug wells and analyzed for chromium species and other constituents. The results showed that the groundwater was relatively more oxidizing during post-monsoon periods than the pre-monsoon periods. Except one sample, the concentration of chromium species were found in the order of Cr(VI)>Cr(III)>Cr(III)-organic complexes during all the pre- and post-monsoon periods. In most of the wells, the concentrations of Cr(III), Cr(VI), and Cr(III)-organic decreased during post-monsoon periods compared to their pre-monsoon concentrations. However, the Cr(VI)/$ Cr_{Total} $ ratio still increased and the Cr(III)/$ Cr_{Total} $ ratio decreased during post-monsoon periods in most of the samples. The possible mechanisms for the temporal variation of chromium species were (1) Fe(II) reduction of Cr(VI) vs oxidation of Fe(II) by dissolved oxygen and (2) oxidation of Cr(III) by Mn(IV). Chromium speciation Redox transformation Chromium(III) Chromium(VI) Chromium(III)-organic complexes Groundwater Riyazuddin, Patel aut Enthalten in Environmental monitoring and assessment Springer Netherlands, 1981 176(2010), 1-4 vom: 27. Juli, Seite 647-662 (DE-627)130549649 (DE-600)782621-7 (DE-576)476125413 0167-6369 nnns volume:176 year:2010 number:1-4 day:27 month:07 pages:647-662 https://doi.org/10.1007/s10661-010-1610-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OLC-IBL GBV_ILN_22 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 AR 176 2010 1-4 27 07 647-662 |
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10.1007/s10661-010-1610-5 doi (DE-627)OLC2073742521 (DE-He213)s10661-010-1610-5-p DE-627 ger DE-627 rakwb eng 333.7 VZ Kumar, Asirvatham Ramesh verfasserin aut Chromium speciation in a contaminated groundwater: redox processes and temporal variability 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract Chromium species (Cr(III), Cr(VI), and Cr(III)-organic) in groundwater of a tannery contaminated area were monitored during pre- and post-monsoon seasons for a period of 3 years (May 2004 to January 2007). The objectives of the study were (1) to investigate the temporal variation of chromium species and other matrix constituents and (2) to study the redox processes associated with the temporal variation of chromium species. Samples were collected from 15 dug wells and analyzed for chromium species and other constituents. The results showed that the groundwater was relatively more oxidizing during post-monsoon periods than the pre-monsoon periods. Except one sample, the concentration of chromium species were found in the order of Cr(VI)>Cr(III)>Cr(III)-organic complexes during all the pre- and post-monsoon periods. In most of the wells, the concentrations of Cr(III), Cr(VI), and Cr(III)-organic decreased during post-monsoon periods compared to their pre-monsoon concentrations. However, the Cr(VI)/$ Cr_{Total} $ ratio still increased and the Cr(III)/$ Cr_{Total} $ ratio decreased during post-monsoon periods in most of the samples. The possible mechanisms for the temporal variation of chromium species were (1) Fe(II) reduction of Cr(VI) vs oxidation of Fe(II) by dissolved oxygen and (2) oxidation of Cr(III) by Mn(IV). Chromium speciation Redox transformation Chromium(III) Chromium(VI) Chromium(III)-organic complexes Groundwater Riyazuddin, Patel aut Enthalten in Environmental monitoring and assessment Springer Netherlands, 1981 176(2010), 1-4 vom: 27. Juli, Seite 647-662 (DE-627)130549649 (DE-600)782621-7 (DE-576)476125413 0167-6369 nnns volume:176 year:2010 number:1-4 day:27 month:07 pages:647-662 https://doi.org/10.1007/s10661-010-1610-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OLC-IBL GBV_ILN_22 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 AR 176 2010 1-4 27 07 647-662 |
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10.1007/s10661-010-1610-5 doi (DE-627)OLC2073742521 (DE-He213)s10661-010-1610-5-p DE-627 ger DE-627 rakwb eng 333.7 VZ Kumar, Asirvatham Ramesh verfasserin aut Chromium speciation in a contaminated groundwater: redox processes and temporal variability 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract Chromium species (Cr(III), Cr(VI), and Cr(III)-organic) in groundwater of a tannery contaminated area were monitored during pre- and post-monsoon seasons for a period of 3 years (May 2004 to January 2007). The objectives of the study were (1) to investigate the temporal variation of chromium species and other matrix constituents and (2) to study the redox processes associated with the temporal variation of chromium species. Samples were collected from 15 dug wells and analyzed for chromium species and other constituents. The results showed that the groundwater was relatively more oxidizing during post-monsoon periods than the pre-monsoon periods. Except one sample, the concentration of chromium species were found in the order of Cr(VI)>Cr(III)>Cr(III)-organic complexes during all the pre- and post-monsoon periods. In most of the wells, the concentrations of Cr(III), Cr(VI), and Cr(III)-organic decreased during post-monsoon periods compared to their pre-monsoon concentrations. However, the Cr(VI)/$ Cr_{Total} $ ratio still increased and the Cr(III)/$ Cr_{Total} $ ratio decreased during post-monsoon periods in most of the samples. The possible mechanisms for the temporal variation of chromium species were (1) Fe(II) reduction of Cr(VI) vs oxidation of Fe(II) by dissolved oxygen and (2) oxidation of Cr(III) by Mn(IV). Chromium speciation Redox transformation Chromium(III) Chromium(VI) Chromium(III)-organic complexes Groundwater Riyazuddin, Patel aut Enthalten in Environmental monitoring and assessment Springer Netherlands, 1981 176(2010), 1-4 vom: 27. Juli, Seite 647-662 (DE-627)130549649 (DE-600)782621-7 (DE-576)476125413 0167-6369 nnns volume:176 year:2010 number:1-4 day:27 month:07 pages:647-662 https://doi.org/10.1007/s10661-010-1610-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OLC-IBL GBV_ILN_22 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 AR 176 2010 1-4 27 07 647-662 |
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10.1007/s10661-010-1610-5 doi (DE-627)OLC2073742521 (DE-He213)s10661-010-1610-5-p DE-627 ger DE-627 rakwb eng 333.7 VZ Kumar, Asirvatham Ramesh verfasserin aut Chromium speciation in a contaminated groundwater: redox processes and temporal variability 2010 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Springer Science+Business Media B.V. 2010 Abstract Chromium species (Cr(III), Cr(VI), and Cr(III)-organic) in groundwater of a tannery contaminated area were monitored during pre- and post-monsoon seasons for a period of 3 years (May 2004 to January 2007). The objectives of the study were (1) to investigate the temporal variation of chromium species and other matrix constituents and (2) to study the redox processes associated with the temporal variation of chromium species. Samples were collected from 15 dug wells and analyzed for chromium species and other constituents. The results showed that the groundwater was relatively more oxidizing during post-monsoon periods than the pre-monsoon periods. Except one sample, the concentration of chromium species were found in the order of Cr(VI)>Cr(III)>Cr(III)-organic complexes during all the pre- and post-monsoon periods. In most of the wells, the concentrations of Cr(III), Cr(VI), and Cr(III)-organic decreased during post-monsoon periods compared to their pre-monsoon concentrations. However, the Cr(VI)/$ Cr_{Total} $ ratio still increased and the Cr(III)/$ Cr_{Total} $ ratio decreased during post-monsoon periods in most of the samples. The possible mechanisms for the temporal variation of chromium species were (1) Fe(II) reduction of Cr(VI) vs oxidation of Fe(II) by dissolved oxygen and (2) oxidation of Cr(III) by Mn(IV). Chromium speciation Redox transformation Chromium(III) Chromium(VI) Chromium(III)-organic complexes Groundwater Riyazuddin, Patel aut Enthalten in Environmental monitoring and assessment Springer Netherlands, 1981 176(2010), 1-4 vom: 27. Juli, Seite 647-662 (DE-627)130549649 (DE-600)782621-7 (DE-576)476125413 0167-6369 nnns volume:176 year:2010 number:1-4 day:27 month:07 pages:647-662 https://doi.org/10.1007/s10661-010-1610-5 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-UMW SSG-OLC-FOR SSG-OLC-IBL GBV_ILN_22 GBV_ILN_70 GBV_ILN_4012 GBV_ILN_4219 AR 176 2010 1-4 27 07 647-662 |
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Chromium speciation in a contaminated groundwater: redox processes and temporal variability |
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Chromium speciation in a contaminated groundwater: redox processes and temporal variability |
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Kumar, Asirvatham Ramesh |
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Environmental monitoring and assessment |
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Kumar, Asirvatham Ramesh Riyazuddin, Patel |
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chromium speciation in a contaminated groundwater: redox processes and temporal variability |
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Chromium speciation in a contaminated groundwater: redox processes and temporal variability |
| abstract |
Abstract Chromium species (Cr(III), Cr(VI), and Cr(III)-organic) in groundwater of a tannery contaminated area were monitored during pre- and post-monsoon seasons for a period of 3 years (May 2004 to January 2007). The objectives of the study were (1) to investigate the temporal variation of chromium species and other matrix constituents and (2) to study the redox processes associated with the temporal variation of chromium species. Samples were collected from 15 dug wells and analyzed for chromium species and other constituents. The results showed that the groundwater was relatively more oxidizing during post-monsoon periods than the pre-monsoon periods. Except one sample, the concentration of chromium species were found in the order of Cr(VI)>Cr(III)>Cr(III)-organic complexes during all the pre- and post-monsoon periods. In most of the wells, the concentrations of Cr(III), Cr(VI), and Cr(III)-organic decreased during post-monsoon periods compared to their pre-monsoon concentrations. However, the Cr(VI)/$ Cr_{Total} $ ratio still increased and the Cr(III)/$ Cr_{Total} $ ratio decreased during post-monsoon periods in most of the samples. The possible mechanisms for the temporal variation of chromium species were (1) Fe(II) reduction of Cr(VI) vs oxidation of Fe(II) by dissolved oxygen and (2) oxidation of Cr(III) by Mn(IV). © Springer Science+Business Media B.V. 2010 |
| abstractGer |
Abstract Chromium species (Cr(III), Cr(VI), and Cr(III)-organic) in groundwater of a tannery contaminated area were monitored during pre- and post-monsoon seasons for a period of 3 years (May 2004 to January 2007). The objectives of the study were (1) to investigate the temporal variation of chromium species and other matrix constituents and (2) to study the redox processes associated with the temporal variation of chromium species. Samples were collected from 15 dug wells and analyzed for chromium species and other constituents. The results showed that the groundwater was relatively more oxidizing during post-monsoon periods than the pre-monsoon periods. Except one sample, the concentration of chromium species were found in the order of Cr(VI)>Cr(III)>Cr(III)-organic complexes during all the pre- and post-monsoon periods. In most of the wells, the concentrations of Cr(III), Cr(VI), and Cr(III)-organic decreased during post-monsoon periods compared to their pre-monsoon concentrations. However, the Cr(VI)/$ Cr_{Total} $ ratio still increased and the Cr(III)/$ Cr_{Total} $ ratio decreased during post-monsoon periods in most of the samples. The possible mechanisms for the temporal variation of chromium species were (1) Fe(II) reduction of Cr(VI) vs oxidation of Fe(II) by dissolved oxygen and (2) oxidation of Cr(III) by Mn(IV). © Springer Science+Business Media B.V. 2010 |
| abstract_unstemmed |
Abstract Chromium species (Cr(III), Cr(VI), and Cr(III)-organic) in groundwater of a tannery contaminated area were monitored during pre- and post-monsoon seasons for a period of 3 years (May 2004 to January 2007). The objectives of the study were (1) to investigate the temporal variation of chromium species and other matrix constituents and (2) to study the redox processes associated with the temporal variation of chromium species. Samples were collected from 15 dug wells and analyzed for chromium species and other constituents. The results showed that the groundwater was relatively more oxidizing during post-monsoon periods than the pre-monsoon periods. Except one sample, the concentration of chromium species were found in the order of Cr(VI)>Cr(III)>Cr(III)-organic complexes during all the pre- and post-monsoon periods. In most of the wells, the concentrations of Cr(III), Cr(VI), and Cr(III)-organic decreased during post-monsoon periods compared to their pre-monsoon concentrations. However, the Cr(VI)/$ Cr_{Total} $ ratio still increased and the Cr(III)/$ Cr_{Total} $ ratio decreased during post-monsoon periods in most of the samples. The possible mechanisms for the temporal variation of chromium species were (1) Fe(II) reduction of Cr(VI) vs oxidation of Fe(II) by dissolved oxygen and (2) oxidation of Cr(III) by Mn(IV). © Springer Science+Business Media B.V. 2010 |
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Chromium speciation in a contaminated groundwater: redox processes and temporal variability |
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