| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5468862 | Applied Clay Science | 2017 | 7 Pages |
Abstract
The XRD analysis revealed that the DWTS under study consists of quartz and illite phases which had been reported for their adsorption efficiency. Firing of DWTS at 500 °C causes the appearance of albite phase in addition to previous ones which enhances the adsorption capacity of these materials. The influence of different parameters such as firing temperature of DWTS, contact time, pH, DWTS dose and initial metal ions concentration on the adsorption of heavy metal ions and, consequently, on their removal were investigated. DWTS exhibit an adsorption efficiency towards Pb(II) > Cd(II) > Ni(II). The extremely high efficiency of DWTS towards Pb(II) adsorption can nominate it as a specific low-cost adsorbent for Pb ions.
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Authors
S.A. Abo-El-Enein, Ahmed Shebl, S.A. Abo El-Dahab,