Research Article

Investigation of the Changes in Surface Area and FT-IR Spectra of Activated Carbons Obtained from Hazelnut Shells by Physicochemical Treatment Methods

Figure 5

Spectra of (a) the chemically treated AC followed by pyrolysis at 250°C, (b) the physicochemically treated AC with only microwave application followed by pyrolysis at 250°C, and (c) the Pb(II)-loaded AC.