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

Figure 6

XRD diffractograms of (a) activated carbon prepared with 0.5 : 1 impregnation ratio and activated at 500°C, (b) activated carbon prepared with 0.5 : 1 impregnation ratio and 600°C activation temperature, (c) activated carbon with 0.5 : 1 impregnated ratio and 700°C activation temperature, (d) activated carbon with 0.5 : 1 impregnated ratio and 600°C activation temperature, (e) activated carbon with 1.0 : 1 impregnated ratio and 600°C activation temperature, and (f) activated carbon with 1.5 : 1 impregnated ratio and 600°C activation temperature.