Table 5 Analysis of variance (ANOVA) for the response surface quadratic model
From: Liquid-phase hydrogenation of bio-refined succinic acid to 1,4-butanediol using bimetallic catalysts
Source | Sum of Squares | df | Mean Squares | F Value | p-value Prob > F | |
|---|---|---|---|---|---|---|
Model | 45.56 | 9 | 5.06 | 42.06 | < 0.0001 | significant |
A-Catalyst Concentration | 37.67 | 1 | 37.67 | 312.94 | < 0.0001 | |
B-Temperature | 0.13 | 1 | 0.13 | 1.06 | 0.3376 | |
C-Pressure | 0.023 | 1 | 0.023 | 0.19 | 0.6745 | |
AB | 0.013 | 1 | 0.013 | 0.11 | 0.7500 | |
AC | 0.042 | 1 | 0.042 | 0.35 | 0.5732 | |
BC | 1.000E-004 | 1 | 1.000E-004 | 8.307E-004 | 0.9778 | |
A^2 | 6.99 | 1 | 6.99 | 58.07 | 0.0001 | |
B^2 | 0.22 | 1 | 0.22 | 1.79 | 0.2232 | |
C^2 | 0.16 | 1 | 0.16 | 1.34 | 0.2844 | |
Residual | 0.84 | 7 | 0.12 | |||
Lack of Fit | 0.27 | 3 | 0.090 | 0.63 | 0.6334 | not significant |
Pure Error | 0.57 | 4 | 0.14 | |||
Cor Total | 46.41 | 16 |