Characterization and Properties of Activated Carbon Prepared from Tamarind Seeds by KOH Activation for Fe(III) Adsorption from Aqueous Solution

Figure 4

Scanning electron micrographs (a–c) and elemental composition determined by EDS (Table 1) of tamarind seed based activated carbon prepared with 1.0 : 1 impregnation ratio and activated at 500°C.

(a)

(b)

(c)