Run no. |
Coded values |
Real values |
% biosortion of chromium |
x1 |
x2 |
x3 |
x4 |
X1 |
X2 |
X3 |
X4 |
Experimental |
Predicted |
1 |
–1 |
–1 |
–1 |
–1 |
3 |
15 |
25 |
298 |
83.96 |
84.24292 |
2 |
–1 |
–1 |
–1 |
1 |
3 |
15 |
25 |
308 |
81.68 |
80.01500 |
3 |
–1 |
–1 |
1 |
–1 |
3 |
15 |
55 |
298 |
79.89 |
81.01333 |
4 |
–1 |
–1 |
1 |
1 |
3 |
15 |
55 |
308 |
77.96 |
77.77292 |
5 |
–1 |
1 |
–1 |
–1 |
3 |
25 |
25 |
298 |
73.14 |
73.16167 |
6 |
–1 |
1 |
–1 |
1 |
3 |
25 |
25 |
308 |
73.97 |
75.21625 |
7 |
–1 |
1 |
1 |
–1 |
3 |
25 |
55 |
298 |
74.42 |
74.51958 |
8 |
–1 |
1 |
1 |
1 |
3 |
25 |
55 |
308 |
78.02 |
77.56167 |
9 |
1 |
–1 |
–1 |
–1 |
5 |
15 |
25 |
298 |
75.98 |
77.74167 |
10 |
1 |
–1 |
–1 |
1 |
5 |
15 |
25 |
308 |
73.05 |
74.62125 |
11 |
1 |
–1 |
1 |
–1 |
5 |
15 |
55 |
298 |
73.46 |
73.88458 |
12 |
1 |
–1 |
1 |
1 |
5 |
15 |
55 |
308 |
70.47 |
71.75167 |
13 |
1 |
1 |
–1 |
–1 |
5 |
25 |
25 |
298 |
73.14 |
74.99792 |
14 |
1 |
1 |
–1 |
1 |
5 |
25 |
25 |
308 |
77.98 |
78.16000 |
15 |
1 |
1 |
1 |
–1 |
5 |
25 |
55 |
298 |
72.76 |
75.72833 |
16 |
1 |
1 |
1 |
1 |
5 |
25 |
55 |
308 |
78.49 |
79.87792 |
17 |
–2 |
0 |
0 |
0 |
2 |
20 |
40 |
303 |
62.74 |
63.99542 |
18 |
2 |
0 |
0 |
0 |
6 |
20 |
40 |
303 |
64.04 |
59.81042 |
19 |
0 |
–2 |
0 |
0 |
4 |
10 |
40 |
303 |
83.78 |
82.97042 |
20 |
0 |
2 |
0 |
0 |
4 |
30 |
40 |
303 |
82.18 |
80.01542 |
21 |
0 |
0 |
–2 |
0 |
4 |
20 |
10 |
303 |
85.74 |
84.59875 |
22 |
0 |
0 |
2 |
0 |
4 |
20 |
70 |
303 |
84.92 |
83.08708 |
23 |
0 |
0 |
0 |
–2 |
4 |
20 |
40 |
293 |
83.15 |
80.36708 |
24 |
0 |
0 |
0 |
2 |
4 |
20 |
40 |
313 |
80.48 |
80.28875 |
25 |
0 |
0 |
0 |
0 |
4 |
20 |
40 |
303 |
90.37 |
90.27000 |
26 |
0 |
0 |
0 |
0 |
4 |
20 |
40 |
303 |
90.19 |
90.27000 |
27 |
0 |
0 |
0 |
0 |
4 |
20 |
40 |
303 |
90.23 |
90.27000 |
28 |
0 |
0 |
0 |
0 |
4 |
20 |
40 |
303 |
89.98 |
90.27000 |
29 |
0 |
0 |
0 |
0 |
4 |
20 |
40 |
303 |
90.42 |
90.27000 |
30 |
0 |
0 |
0 |
0 |
4 |
20 |
40 |
303 |
90.43 |
90.27000 |
X1 = pH; X2 = initial concentration; X3 = biosorbent dosage; X4 = temperature |
