Table 5.
Oil | Z | Kinetic Parameter | |||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
k [h−1] | Ea [kJ/mol] | ΔH [kJ/mol] | ΔS [J/mol K] |
||||||||
80 °C | 90 °C | 100 °C | 105 °C | 110 °C | 115 °C | 120 °C | |||||
PO | 2.07 × 1010 | - | - | 0.11 | 0.16 | 0.23 | 0.31 | 0.43 | 80.40 | 77.22 | −126.02 |
HO | 7.16 × 109 | 0.29 | 0.40 | 0.55 | 0.75 | 1.01 | - | - | 72.23 | 69.12 | −132.93 |
LO | 6.55 × 1011 | 0.39 | 0.57 | 0.83 | 1.19 | 1.70 | - | - | 84.99 | 81.87 | −95.06 |
CO | 1.18 × 1010 | - | - | 0.53 | 0.72 | 0.98 | 1.32 | 1.77 | 73.94 | 70.76 | −130.56 |
RO | 7.99 × 109 | - | - | 0.17 | 0.24 | 0.32 | 0.44 | 0.59 | 76.23 | 73.05 | −133.82 |
BCO | 1.65 × 1013 | - | - | 0.09 | 0.13 | 0.20 | 0.31 | 0.46 | 102.02 | 98.84 | −70.33 |
MTO | 1.04 × 1011 | - | - | 0.24 | 0.34 | 0.48 | 0.68 | 0.94 | 83.11 | 79.93 | −119.71 |
EPO | 4.26 × 1010 | - | - | 0.38 | 0.53 | 0.74 | 1.01 | 1.38 | 78.94 | 75.76 | −123.41 |
M1 | 4.61 × 1010 | 0.35 | 0.49 | 0.69 | 0.96 | 1.32 | - | - | 77.32 | 74.20 | −123.97 |
M2 | 1.36 × 1011 | 0.37 | 0.53 | 0.76 | 1.06 | 1.48 | - | - | 80.39 | 77.28 | −104.30 |
M3 | 5.83 × 109 | - | - | 0.18 | 0.25 | 0.34 | 0.47 | 0.62 | 75.03 | 71.84 | −119.24 |
Ea—activation energy; ΔH—entalphy; ΔS—entropy; k—reaction rate coefficient; Z—pre-exponential factor; PO—pumpkin oil; HO—hemp oil; LO—linseed oil; CO—camelina oil; RO—rapeseed oil; BCO—black cumin oil; MTO—milk thistle oil; EPO—evening primrose oil; M1—70% LO, 27% MTO, 3% EPO; M2—80% RO, 17% LO, 3% EPO; M3—91% LO, 5% EPO, 4% PO.