Table 2: Box–Behnken Design, Containing the Coded and Decoded Levels of the Factors and the Responses. Some Relevant Data
|
Factors |
| Decoded |
Coded |
Responses |
| TOS |
GHSV-C2 |
XC1 |
Temp. |
X1
|
X2
|
X3
|
X4
|
C1 Conv. |
Aromatic
Hydrocarbons |
| 20 |
1525 |
0.6 |
580 |
-1 |
0 |
0 |
1 |
44.5 |
23.5 |
| 40 |
810 |
0.4 |
550 |
0 |
-1 |
-1 |
0 |
41.8 |
38.4 |
| 40 |
2240 |
0.6 |
580 |
0 |
1 |
0 |
1 |
37.9 |
11.0 |
| 20 |
1525 |
0.4 |
550 |
-1 |
0 |
-1 |
0 |
36.84 |
36.4 |
| 60 |
1525 |
0.4 |
550 |
1 |
0 |
-1 |
0 |
36.68 |
38.1 |
| 40 |
810 |
0.6 |
580 |
0 |
-1 |
0 |
1 |
35.6 |
28.9 |
| 40 |
2240 |
0.4 |
550 |
0 |
1 |
-1 |
0 |
31.78 |
31.0 |
| 60 |
1525 |
0.6 |
580 |
1 |
0 |
0 |
1 |
30.2 |
24.6 |
| 40 |
1525 |
0.4 |
580 |
0 |
0 |
-1 |
1 |
29.1 |
26.5 |
| 60 |
1525 |
0.6 |
520 |
1 |
0 |
0 |
-1 |
26.8 |
11.0 |