Research Article
Relevance of the Physicochemical Properties of Calcined Quail Eggshell (CaO) as a Catalyst for Biodiesel Production
Table 2
Matrix of the experimental designs
and Box-Behnken. Data are presented as mean ± standard deviation,
.
| Run | Coded variables | Real variables | Response | | | | | | | |
| 1 | −1 | −1 | 0 | 1 : 9 | 2.0 | 2.5 | 87.88 ± 0.01 | 2 | 1 | −1 | 0 | 1 : 12 | 2.0 | 2.5 | 88.16 ± 0.07 | 3 | −1 | 1 | 0 | 1 : 9 | 3.0 | 2.5 | 91.18 ± 0.30 | 4 | 1 | 1 | 0 | 1 : 12 | 3.0 | 2.5 | 89.39 ± 0.02 | 5 | −1 | 0 | −1 | 1 : 9 | 2.5 | 2.0 | 88.61 ± 0.04 | 6 | 1 | 0 | −1 | 1 : 12 | 2.5 | 2.0 | 86.72 ± 0.13 | 7 | −1 | 0 | 1 | 1 : 9 | 2.5 | 3.0 | 91.67 ± 0.02 | 8 | 1 | 0 | 1 | 1 : 12 | 2.5 | 3.0 | 98.35 ± 0.02 | 9 | 0 | −1 | −1 | 1 : 10.5 | 2.0 | 2.0 | 99.00 ± 0.20 | 10 | 0 | 1 | −1 | 1 : 10.5 | 3.0 | 2.0 | 72.53 ± 0.40 | 11 | 0 | −1 | 1 | 1 : 10.5 | 2.0 | 3.0 | 87.17 ± 0.03 | 12 | 0 | 1 | 1 | 1 : 10.5 | 3.0 | 3.0 | 88.29 ± 0.01 | 13 | 0 | 0 | 0 | 1 : 10.5 | 2.5 | 2.5 | 76.74 ± 0.09 | 14 | 0 | 0 | 0 | 1 : 10.5 | 2.5 | 2.5 | 76.80 ± 0.14 | 15 | 0 | 0 | 0 | 1 : 10.5 | 2.5 | 2.5 | 75.56 ± 0.90 |
|
|