Adsorption of Malachite Green Dye from Liquid Phase Using Hydrophilic Thiourea-Modified Poly(acrylonitrile-co-acrylic acid): Kinetic and Isotherm Studies

Figure 8

Plot of pseudo-first-order (a), pseudo-second-order (b), Elovich kinetic (c), and intraparticle diffusion (d) models.

(a)

(b)

(c)

(d)