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Removal of Cu (ll) From Aqueous Solution Using Polyacrylic Acid Hydrogel Beads as Adsorbent | ||
| Iraqi Journal of Science | ||
| Article 1, Volume 54, Issue 2, 2013, Pages 240-248 | ||
| Authors | ||
| Ahmed. M. Al-Anbakey; Nagam S.Al- Awadye; Mouayad Q. Al-Abachiy | ||
| Abstract | ||
| In this article, the adsorption of Cu(ll) ion from aqueous solution into polyacrylic acid (PAA) hydrogel bead has been investigated using a batch method of different temperature (10-30 °C) and different contact time (1-48 hr) to reach the equilibrium of adsorption. Initial concentration and adsorption capacity of the adsorbents is presented, the time required to reach a maximum capacity of bead was about 24hr. The temperature effect on adsorption was studied and the experimental data have been analyzed using the Langmuir and freundlich isotherm models. The adEsorption capacity at equilibrium was found to be 142.68 mg/g; more than 95% of studied cation was removed by the adsorbent. The process is very efficient especially at low concentration of pollutants in aqueous solutions. | ||
| Keywords | ||
| economical; Removal; Polyacrylic acid; Hydrogel | ||
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