Effect of temperature on the removal of cobalt by Friedel´s salt | ||
| Journal of Scientific Research in Science | ||
| Article 29, Volume 33, part1, September 2016, Pages 417-433 PDF (767.84 K) | ||
| Document Type: Original Article | ||
| DOI: 10.21608/jsrs.2016.17148 | ||
| Authors | ||
| Heba Amine* 1; Tarek M El-sokary2; Essam A . Kishar1; Maha R. Mohamed3 | ||
| 1Chemistry Department, Faculty of Girls, Ain Shams University, Cairo, Egypt. | ||
| 2Housing and Building National Research center, Cairo, Egypt | ||
| 3Chemistry Department, Faculty of Girls, Ain Shams University, Cairo, Egypt | ||
| Abstract | ||
| The performance of Friedel’s salt (FS: 3CaO·Al2O3·CaCl2·10H2O), a layered double hydroxide (LDHs), as an adsorbent for cobalt (Co2+) removal from its solution was investigated. Friedel’s salt was synthesized by reaction of tricalcium aluminate with calcium chloride. The stability of FS at different pHs was studied. Also, the adsorption behaviors of Friedel’s salt for cobalt (Co2+) from its solution at different concentrations and pH=4 at room temperature and 50ºC was examined. The results showed that, high stability for FS in neutral medium (pH=6) than in basic (pH=8) and acidic medium (pH=4). In addition, the results indicated that the adsorbent FS had an outstanding ability for Co(II) adsorption. The maximum adsorption capacity of the FS for Co (II) removal can reach to 1903.44 mg/g. Furthermore, the increase in the temperature (50º C) effect positively on the rate of adsorption. | ||
| Keywords | ||
| LDHs; Friedel’s salt; adsorption/ion exchange; Cobalt; Temperature | ||
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