Activated carbon (AC) from Terminalia catappa fruit shells has been produced through microwave irradiation assisted chemical activation. Potassium hydroxide (KOH) was used as activating agent with ratio of mass percentage of pre-carbonized of Terminalia catappa fruit shells and KOH of 2:1. The AC was irradiated using microwave with the output power of 630 Watt and different irradiation time of 15, 20, and 25 minutes. The physical properties of ACs i.e. microstructures, surface morphology, and BET surface area were characterized using X-ray diffraction, scanning electron microscopy, and N2 adsorption/desorption isotherm, respectively. Interlayer spacing d002 and d100, and stack width La increased, and stack height Lc decreased with increasing irradiation time. The N2 adsorption/desorption isotherm data of the ACs showed the BET surface area of 365 and 300 m2/g for AC15 and AC25, respectively.

Topics
Scanning electron microscopy, X-ray diffraction, Carbon based materials, Surface and interface chemistry
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