Karakterisasi Karbon Dari Tempurung Kemiri (Aleurites Moluccana (L) Willd) Dengan Alat XRD
Carbon Characterization From Candlenut Shells (Aleurites Moluccana (L) Willd) With X-RD
Abstract
The research of carbon characterization from candlenut shells before and after activation has been done. Activated carbon were obtained through the heating process at 350 °C for 2 hours. The carbon charcoal were further cooled and sieved with a 100 mesh sieve. Then, calcinated at 450 °C and nitrogen (N2) were flowed for 2 hours and characterized by XRD for carbon before activation. Carbon was activated by using KOH solution with a concentration of 50% for 5 hours, then dried in an oven at 120 °C for 1 hour and characterized. XRD diffractogram of crystallization for carbon before activation produced three main peak were 2.93 Å, 3.25 Å, and 8.26 Å, and at 2Ө region of 30.47°, 27.40°, and 10.70°, respectively. XRD diffractogram of crystallization for activated carbon produced three main peak were 3.0195 Å, 3.3383 Å and 8.0955 Å, the 2Ө value which was shifted of 29.560°, 26.682°, and 10.920°. This shift indicates that the distance difference between charcoal crystal face caused by KOH activator. Weight acidity solids before and after activation was 27.370 x10-3 and 33.1245x10-3 mol.g-1, respectively.
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