Membrane Made of Cellulose Acetate with Polyacrylic Acid Reinforced with Carbon Nanotubes and Its Applicability for Chromium Removal

Figure 15

Distribution of the surface charge in the different materials: (a) oxidized carbon nanotubes, (b) polymer (CA-PA), and (c) polymer (CA-PA) with carbon nanotubes.

(a)

(b)

(c)