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Removal of Copper (II) by Using Iron Oxide Coated Sand (IOCS) to Remediate Groundwater | ||
| Journal of University of Babylon | ||
| Article 1, Volume 24, Issue 4, 2016, Pages 868-883 | ||
| Authors | ||
| Amal Hamza Khalil; Baqir Kadhim Fadheel | ||
| Abstract | ||
| In this study, natural sand and Iron Oxide Coated Sand (IOCS) were used to remove copper from contaminated groundwater. In the batch tests, the influence of several operating parameters such as contact time (0-90 min), initial pH of the solution (2-9), sorbent dose (0.1 to 5 g of adsorbent per 50 mL), initial concentration of copper (50-250 mg/l), and agitation speed (0-250 rpm) were investigated. The best values of these parameters that will achieve the maximum removal efficiency of Cu+2 were contact time was 60 min, pH=7, adsorbent dose =1 g per 50 mL, and agitation speed= 200 rpm respectively. The sorption data obtained by batch experiments have been subjected to the Langmuir and Freundlich isotherm models. The results showed that the Langmuir isotherm model described well the sorption of these Cu+2 ions on the IOCS in compared with Freundlich model under the studied conditions. | ||
| Keywords | ||
| copper; Iron Oxide Coated Sand; Permeable reactive barrier; groundwater; Heavy metal | ||
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