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>The effect of operational parameters on responses of the prepared ZLRC samples ((A) radiation power, (B) radiation time, (C) concentration of ZnCl<sub>2</sub>, and (D) impregnation time).      </table>

Journal of Chemistry

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Figure 1

Figure 1: 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 1 | 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 