Kinetics, Equilibrium, and Thermodynamic Studies on Adsorption of Methylene Blue by Carbonized Plant Leaf Powder

Table 1

Effect of pH on MB adsorption onto PLC.

pH	𝑘2 (g mg^−1 min^−1)	𝑞𝑚,pre (mg g^−1)	𝑅^2
2.0	0.0009	20.42	0.936
4.0	0.0030	43.81	0.998
6.0	0.0060	31.40	0.995
8.0	0.0030	31.34	0.990
9.0	0.0039	16.20	0.977