Table 4.

Results of CCD matrix for the production of RPSAC.

Run	A:Concentration	B:Impregnation Ratio	C:Activation Temperature	D:Activation Time	Carbon Yield	Specific Surface Area
	%	g/ml	°C	Minutes	%	m2/g
1	60	3	600	90	79.05	1786
2	40	2	800	60	71.01	1801
3	60	3	600	90	79.55	1750
4	80	2	400	120	76.3	1742
5	40	4	400	120	72.82	1684
6	40	4	400	60	74.29	1714
7	80	2	400	60	76.66	1667
8	40	4	800	60	72.8	1796
9	80	4	800	60	68.1	1795
10	60	3	600	90	70.83	1769
11	40	2	800	120	67.18	1788
12	60	3	600	90	77.25	1767
13	40	2	400	120	72.7	1687
14	80	4	400	60	75.47	1746
15	80	4	400	120	78.94	1739
16	60	3	600	90	76.06	1766
17	80	2	800	60	66.05	1835
18	40	2	400	60	73.25	1725
19	60	3	600	150	70.39	1753
20	60	5	600	90	79.82	1788
21	60	1	600	90	69.5	1776
22	80	2	800	120	63.57	1795
23	100	3	600	90	73.57	1753
24	60	3	200	90	77.55	1394
25	80	4	800	120	69.11	1810
26	60	3	1000	90	67.43	1852
27	20	3	600	90	70.05	1750
28	60	3	600	30	68.56	1759
29	40	4	800	120	72.83	1818
30	60	3	600	90	71.2	1780