Std. order
Calcinations temp (oC) X1 Calcinations temp (oC) X1 Leaching temp (oC) X2 Leaching temp (oC) X2 Acid conc. (mol/cm3) X3 Acid conc. (mol/cm3) X3
Liquid/solid ratio (cm3/g) X4
Liquid/solid ratio (cm3/g) X4
Stirring speed (rpm) X5
Stirring speed (rpm) X5
Coded Real Coded Real Coded Real Coded Real Coded Real
1 -1 400 -1 45 -1 0.5 -1 4 -1 90
2 +1 850 -1 45 -1 0.5 -1 4 -1 90
3 -1 400 +1 90 -1 0.5 -1 4 -1 90
4 +1 850 +1 90 -1 0.5 -1 4 -1 90
5 -1 400 -1 45 +1 3 -1 4 -1 90
6 +1 850 -1 45 +1 3 -1 4 -1 90
7 -1 400 +1 90 +1 3 -1 4 -1 90
8 +1 850 +1 90 +1 3 -1 4 -1 90
9 -1 400 -1 45 -1 0.5 +1 16 -1 90
10 +1 850 -1 45 -1 0.5 +1 16 -1 90
11 -1 400 +1 90 -1 0.5 +1 16 -1 90
12 +1 850 +1 90 -1 0.5 +1 16 -1 90
13 -1 400 -1 45 +1 3 +1 16 -1 90
14 +1 850 -1 45 +1 3 +1 16 -1 90
15 -1 400 +1 90 +1 3 +1 16 -1 90
16 +1 850 +1 90 +1 3 +1 16 -1 90
17 -1 400 -1 45 -1 0.5 -1 4 +1 720
18 +1 850 -1 45 -1 0.5 -1 4 +1 720
19 -1 400 +1 90 -1 0.5 -1 4 +1 720
20 +1 850 +1 90 -1 0.5 -1 4 +1 720
21 -1 400 -1 45 +1 3 -1 4 +1 720
22 +1 850 -1 45 +1 3 -1 4 +1 720
23 -1 400 +1 90 +1 3 -1 4 +1 720
24 +1 850 +1 90 +1 3 -1 4 +1 720
25 -1 400 -1 45 -1 0.5 +1 16 +1 720
26 +1 850 -1 45 -1 0.5 +1 16 +1 720
27 -1 400 +1 90 -1 0.5 +1 16 +1 720
28 +1 850 +1 90 -1 0.5 +1 16 +1 720
29 -1 400 -1 45 +1 3 +1 16 +1 720
30 +1 850 -1 45 +1 3 +1 16 +1 720
31 -1 400 +1 90 +1 3 +1 16 +1 720
32 +1 850 +1 90 +1 3 +1 16 +1 720
33 -2 89.9 0 67.5 0 1.75 0 10 0 405
34 +2 1160 0 67.5 0 1.75 0 10 0 405
35 0 625 -2 13.9 0 1.75 0 10 0 405
36 0 625 +2 121 0 1.75 0 10 0 405
37 0 625 0 67.5 -2 -1.22 0 10 0 405
38 0 625 0 67.5 +2 4.72 0 10 0 405
39 0 625 0 67.5 0 1.75 -2 -4.27 0 405
40 0 625 0 67.5 0 1.75 +2 24.27 0 405
41 0 625 0 67.5 0 1.75 0 10 -2 -344
42 0 625 0 67.5 0 1.75 0 10 +2 1154
43 0 625 0 67.5 0 1.75 0 10 0 405
44 0 625 0 67.5 0 1.75 0 10 0 405
45 0 625 0 67.5 0 1.75 0 10 0 405
46 0 625 0 67.5 0 1.75 0 10 0 405
47 0 625 0 67.5 0 1.75 0 10 0 405
48 0 625 0 67.5 0 1.75 0 10 0 405
49 0 625 0 67.5 0 1.75 0 10 0 405
50 0 625 0 67.5 0 1.75 0 10 0 405