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Table 1 D-optimal design optimization of J. curcas seed oil hydrolysis and response for FFA%.

From: Hydrolysis optimization and characterization study of preparing fatty acids from Jatropha curcasseed oil

Run no. Coded independent variable levels FFA, % (responses)
  Ethanolic KOH (M, X 1 ) Temperature (°C, X 2 ) Time (h, X 3 )  
1 2.00 50 1.5 97.1
2 2.00 70 2.5 102.4
3 1.00 50 1.5 53.9
4 1.00 60 2.0 64.6
5 2.00 50 2.5 97.5
6 1.75 65 2.0 102.2
7 2.00 50 2.5 99.1
8 1.00 50 2.5 60.8
9 1.00 70 2.5 77.1
10 1.50 60 2.5 97.4
11 1.00 50 2.5 67.9
12 2.00 60 1.5 100.3
13 1.00 50 1.5 55.1
14 1.00 70 1.5 70.0
15 1.50 50 2.0 96.72
16 2.00 70 1.5 100.4
17 1.00 70 2.5 72.4
18 1.50 70 1.5 99.2