Table 2. Proximate properties of activated carbon derived from the shoot waste of fast-growing teak (FGT)

Thermal treatment (°C)	Heating period (min)	MC (%)	VMC (%)	AC (%)	FCC (%)
750	30	6.13^d	17.27^d	5.24^d	77.49^b
	60	1.12^ab	18.11^d	5.17^d	76.72^ab
	90	5.07^c	20.38^e	4.77^bcd	74.84^a
750	30	4.72^c	9.44^ab	4.78^bcd	85.78^de
	60	1.17^ab	9.84^abc	4.34^ab	85.81^de
	90	1.28^b	18.32^d	4.52^bc	77.16^b
750	30	1.45^b	11.63^c	4.88^cd	83.49^c
	60	0.87^a	11.06^bc	4.69^bc	84.24^cd
	90	0.84^a	9.16^a	4.03^a	86.80^e
Average		2.51	13.92	4.71	81.37
SNI 06-3730-1995		≤ 15	≤ 25	≤ 10	≥ 65

Groups in a homogenous subset.
MC: moisture content, VMC: volatile matter content, AC: ash content, FCC: fixed carbon content.