Research Article

Adsorptive Removal of Methylene Blue and Crystal Violet onto Micro-Mesoporous Zr3O/Activated Carbon Composite: A Joint Experimental and Statistical Modeling Considerations

Figure 9

RSM and corresponding contour plot: (a) MB adsorption onto Zr3O/AC as a function of adsorbent dose and contact time at the initial MB concentration constant; (b) CV adsorption onto Zr3O/AC as a function of adsorbent dose and contact time at the initial MB concentration constant.
(a)
(b)