Research Article

Adsorption, Modeling, Thermodynamic, and Kinetic Studies of Methyl Red Removal from Textile-Polluted Water Using Natural and Purified Organic Matter Rich Clays as Low-Cost Adsorbent

Figure 15

Influence of initial concentration dye and adsorbent dose onto different samples. AN2: activated clay with 0.5 N HCl; AN3: activated clay with 3N HCl; AN4: activated clay with 2N H2SO4; AN5: thermally activated clay (500°C).