Optimization of Preparation of Activated Carbon from <i>Ricinus communis</i> Leaves by Microwave-Assisted Zinc Chloride Chemical Activation: Competitive Adsorption of Ni<sup>2+</sup> Ions from Aqueous Solution

<table>Effect of other ions on the adsorption of Ni<sup>2+</sup> ions. (Adsorbent dose 0.2 g/50 mL, contact time 2 h, solution pH 7).                                      </table>

Journal of Chemistry

fig9

Figure 9

Figure 9: Optimization of Preparation of Activated Carbon from <i>Ricinus communis</i> Leaves by Microwave-Assisted Zinc Chloride Chemical Activation: Competitive Adsorption of Ni<sup>2+</sup> Ions from Aqueous Solution 

Figure 9 | Optimization of Preparation of Activated Carbon from Ricinus communis Leaves by Microwave-Assisted Zinc Chloride Chemical Activation: Competitive Adsorption of Ni2+ Ions from Aqueous Solution 