Table 5 Ea for MEA mixed with ZnBr2, calculated using the KAS, Starink, and FWO methods at different conversions.
From: Thermal Decomposition and Nonisothermal Kinetics of Monoethanolamine Mixed with Various Metal Ions
Conversion (α) | 1st Peak | 2nd Peak | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
KAS | Starink | FWO | KAS | Starink | FWO | |||||||
Ea (kJ/mol) | R 2 | Ea (kJ/mol) | R 2 | Ea (kJ/mol) | R 2 | Ea (kJ/mol) | R 2 | Ea (kJ/mol) | R 2 | Ea (kJ/mol) | R 2 | |
0.1 | 51.6 | 0.903 | 52.1 | 0.905 | 54.5 | 0.920 | 103.9 | 0.995 | 104.4 | 0.995 | 107.6 | 0.996 |
0.2 | 47.7 | 0.939 | 46.6 | 0.941 | 50.8 | 0.951 | 109.4 | 0.994 | 109.9 | 0.994 | 112.9 | 0.995 |
0.3 | 47.3 | 0.936 | 47.8 | 0.937 | 50.6 | 0.949 | 111.3 | 0.993 | 111.8 | 0.993 | 114.8 | 0.994 |
0.4 | 46.3 | 0.948 | 46.7 | 0.950 | 49.7 | 0.959 | 111.9 | 0.994 | 112.4 | 0.994 | 115.5 | 0.995 |
0.5 | 45.6 | 0.971 | 45.5 | 0.965 | 48.6 | 0.972 | 112.0 | 0.993 | 112.7 | 0.994 | 115.7 | 0.995 |
0.6 | 43.4 | 0.978 | 43.9 | 0.979 | 47.2 | 0.983 | 112.3 | 0.994 | 112.9 | 0.994 | 116.0 | 0.995 |
0.7 | 42.7 | 0.989 | 43.2 | 0.989 | 46.6 | 0.992 | 111.2 | 0.994 | 111.8 | 0.994 | 115.0 | 0.995 |
0.8 | 47.8 | 0.955 | 46.8 | 0.956 | 51.6 | 0.965 | 109.2 | 0.995 | 109.8 | 0.995 | 113.2 | 0.995 |
0.9 | 41.4 | 0.358 | 40.6 | 0.369 | 45.8 | 0.456 | 108.6 | 0.996 | 109.2 | 0.996 | 112.7 | 0.997 |
Mean | 45.1 | 0.964 | 45.4 | 0.964 | 48.5 | 0.971 | 111.7 | 0.994 | 112.3 | 0.994 | 115.4 | 0.995 |
Standard deviation | 1.7 | 0.020 | 1.7 | 0.019 | 1.5 | 0.016 | 0.4 | 0.001 | 0.5 | 0.001 | 0.4 | 0.001 |
