Removal of Selenium and Arsenic Oxyanions Using Natural Goethite-Rich Iron Ore from Daitari, Orissa, India: Effect of Heat Treatment
Sorption capacities of raw and calcined goethite-rich iron ore (GRI) collected from Datari iron-ore mines in Orissa for the removal of As and Se oxyanions were investigated in this study. Thermally treated GRI at 300 °C (GRI-300), having the maximum surface area (49.5 m 2 /g) and pore volume (0.028...
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| Format: | Article |
| Language: | English |
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SAGE Publications
2012-12-01
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| Series: | Adsorption Science & Technology |
| Online Access: | https://doi.org/10.1260/0263-6174.30.10.867 |
| _version_ | 1797283876678139904 |
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| author | R.K. Behera K. Rout B. Nayak N.N. Das |
| author_facet | R.K. Behera K. Rout B. Nayak N.N. Das |
| author_sort | R.K. Behera |
| collection | DOAJ |
| description | Sorption capacities of raw and calcined goethite-rich iron ore (GRI) collected from Datari iron-ore mines in Orissa for the removal of As and Se oxyanions were investigated in this study. Thermally treated GRI at 300 °C (GRI-300), having the maximum surface area (49.5 m 2 /g) and pore volume (0.028 cm 3 /g), showed maximum uptake of As(III), As(V) and Se(IV) oxyanions from their aqueous solutions, which progressively decreased when the pH of the solution is increased. At pH 6.0 (approximately), 2.0 g/l GRI-300 dose could remove more than 90% of As(III), As(V) and Se(IV) from their aqueous solutions containing 0.215, 0.265 and 20 mg/l amounts of the compound, respectively. The presence of co-existing ions showed a significant decrease in the uptake of oxyanions by GRI-300 in (PO 4 3– > Cl − > NO 3 − ). The present set of data may be helpful to further asses the potential of readily available GRI to remove different toxic ions from contaminated waters. |
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| format | Article |
| id | doaj.art-9f957e1dcf3648b6b70aa1e569b3440c |
| institution | Directory Open Access Journal |
| issn | 0263-6174 2048-4038 |
| language | English |
| last_indexed | 2024-03-07T17:38:09Z |
| publishDate | 2012-12-01 |
| publisher | SAGE Publications |
| record_format | Article |
| series | Adsorption Science & Technology |
| spelling | doaj.art-9f957e1dcf3648b6b70aa1e569b3440c2024-03-02T16:21:30ZengSAGE PublicationsAdsorption Science & Technology0263-61742048-40382012-12-013010.1260/0263-6174.30.10.867Removal of Selenium and Arsenic Oxyanions Using Natural Goethite-Rich Iron Ore from Daitari, Orissa, India: Effect of Heat TreatmentR.K. Behera0K. Rout1B. Nayak2N.N. Das3 P.G. Department of Chemistry, North Orissa University, Baripada 757 003, Orissa, India P.G. Department of Chemistry, North Orissa University, Baripada 757 003, Orissa, India Mineral Processing Division, CSIR-National Metallurgical Laboratory, Jamshedpur 831007, India P.G. Department of Chemistry, North Orissa University, Baripada 757 003, Orissa, IndiaSorption capacities of raw and calcined goethite-rich iron ore (GRI) collected from Datari iron-ore mines in Orissa for the removal of As and Se oxyanions were investigated in this study. Thermally treated GRI at 300 °C (GRI-300), having the maximum surface area (49.5 m 2 /g) and pore volume (0.028 cm 3 /g), showed maximum uptake of As(III), As(V) and Se(IV) oxyanions from their aqueous solutions, which progressively decreased when the pH of the solution is increased. At pH 6.0 (approximately), 2.0 g/l GRI-300 dose could remove more than 90% of As(III), As(V) and Se(IV) from their aqueous solutions containing 0.215, 0.265 and 20 mg/l amounts of the compound, respectively. The presence of co-existing ions showed a significant decrease in the uptake of oxyanions by GRI-300 in (PO 4 3– > Cl − > NO 3 − ). The present set of data may be helpful to further asses the potential of readily available GRI to remove different toxic ions from contaminated waters.https://doi.org/10.1260/0263-6174.30.10.867 |
| spellingShingle | R.K. Behera K. Rout B. Nayak N.N. Das Removal of Selenium and Arsenic Oxyanions Using Natural Goethite-Rich Iron Ore from Daitari, Orissa, India: Effect of Heat Treatment Adsorption Science & Technology |
| title | Removal of Selenium and Arsenic Oxyanions Using Natural Goethite-Rich Iron Ore from Daitari, Orissa, India: Effect of Heat Treatment |
| title_full | Removal of Selenium and Arsenic Oxyanions Using Natural Goethite-Rich Iron Ore from Daitari, Orissa, India: Effect of Heat Treatment |
| title_fullStr | Removal of Selenium and Arsenic Oxyanions Using Natural Goethite-Rich Iron Ore from Daitari, Orissa, India: Effect of Heat Treatment |
| title_full_unstemmed | Removal of Selenium and Arsenic Oxyanions Using Natural Goethite-Rich Iron Ore from Daitari, Orissa, India: Effect of Heat Treatment |
| title_short | Removal of Selenium and Arsenic Oxyanions Using Natural Goethite-Rich Iron Ore from Daitari, Orissa, India: Effect of Heat Treatment |
| title_sort | removal of selenium and arsenic oxyanions using natural goethite rich iron ore from daitari orissa india effect of heat treatment |
| url | https://doi.org/10.1260/0263-6174.30.10.867 |
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