Table 9. Steam Activation Results of the Coconut Shell under Different Conditions.

temperature (°C)	time (min)	H2O flow (mL/min)	char feeding (g)	AC yield (g)	AC yield (wt %)	IVa (mg/g)	MBVb (mg/g)
700	30	1	20.093	5.301	26.38	678	45
800	30	1	21.129	4.48	21.20	926	60
900	30	1	20.743	1.041	5.02	1002	127.5
800	45	1	20.312	2.104	10.36	992	120
900	45	0.75	20.241	0.942	4.65	766	60
800	45	0.75	20.121	3.483	17.31	901	90
800	60	0.75	21.012	2.349	11.18	888	75
800	30	1.25	20.04	2.896	14.45	903	90
800	45	1	39.186	5.189	13.24	1101	135
800	60	1	39.701	3.627	9.14	1086	127.5

^aIodine sorption value.

^bMethylene blue adsorption value.