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

Table 3

Description of the numbers in Figure 2.

Sample	Applied treatment procedure
1	Only microwave application during the chemical treatment followed by pyrolysis at 250°C
2	Microwave and ultrasound applications together during the chemical treatment followed by pyrolysis at 250°C
3	Microwave and ultrasound applications together during the chemical treatment followed by pyrolysis at 700°C