Removal of Cr(VI) and Cu(II) ions from aqueous solution by rice husk ash—column studies
In this present study, the technical feasibility of rice husk ash for adsorptive removal of Cr(VI) and Cu(II) is examined in packed bed from aqueous solutions. The effects of different operating parameters such as height of the packed bed column (5–15 cm), flow rate of aqueous metal ion solution (10...
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| Veröffentlicht in: | Desalination and water treatment 2016-09, Vol.57 (43), p.20340-20349 |
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| container_title | Desalination and water treatment |
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| creator | Sarkar, Shreyashi Das, Sudip Kumar |
| description | In this present study, the technical feasibility of rice husk ash for adsorptive removal of Cr(VI) and Cu(II) is examined in packed bed from aqueous solutions. The effects of different operating parameters such as height of the packed bed column (5–15 cm), flow rate of aqueous metal ion solution (10–30 ml min−1), and initial metal ion concentration (10–30 mg L−1) were studied. Capacity of the bed to absorb metal ions was found to increase with an increase in bed height, decrease in flow rate, and metal ion concentration. Adams–Bohart, Yoon–Nelson, and Thomas models were applied to the experimental data for the prediction of breakthrough point and also to determine the model parameters to characterize the column. The Yoon–Nelson model and Thomas model were applicable for Cr(VI) removal, and for Cu(II), Thomas model was suited. |
| doi_str_mv | 10.1080/19443994.2015.1107754 |
| format | Article |
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| fulltext | fulltext |
| identifier | ISSN: 1944-3986 |
| ispartof | Desalination and water treatment, 2016-09, Vol.57 (43), p.20340-20349 |
| issn | 1944-3986 1944-3994 1944-3986 |
| language | eng |
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| source | Alma/SFX Local Collection |
| subjects | Adams–Bohart model Adsorptive removal Aqueous solutions Chromium Column packings Column study Copper Feasibility studies Flow rate Flow rates Ion concentration Mathematical models Metal concentrations Metal ions Parameters Thomas model Water treatment Yoon–Nelson model |
| title | Removal of Cr(VI) and Cu(II) ions from aqueous solution by rice husk ash—column studies |
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