Run no.
Coded values of the variables
Experimental value acetone
Experimental value butanol
A
B
C
1
-1
-1
-1
4.1
6.3
2
1
-1
-1
3.7
6.6
3
-1
1
-1
2.5
6.1
4
1
1
-1
3.5
8.3
5
-1
-1
1
6.4
14.4
6
1
-1
1
6.6
16.9
7
-1
1
1
7.5
6.7
8
1
1
1
5.7
6.3
9
-1.682
0
0
3.2
6.2
10
1.682
0
0
2.2
8.3
11
0
-1.682
0
6.7
13.5
12
0
1.682
0
4.4
6.4
13
0
0
-1.682
2.8
4.9
14
0
0
1.682
7.3
13.2
15
0
0
0
7.2
17.7
16
0
0
0
7.7
17.2
17
0
0
0
7.2
17.7
18
0
0
0
7.4
16.7
19
0
0
0
3.2
17.8
20
0
0
0
7.5
17.9
Table 2:
Central composite design consisting of 20 experiments with the experimental and predicted response
