Table 4 Ea for MEA mixed with CuBr2, 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 | 50.9 | 0.689 | 51.3 | 0.694 | 54.0 | 0.737 | 143.4 | 0.978 | 143.7 | 0.978 | 144.7 | 0.980 |
0.2 | 50.7 | 0.748 | 51.1 | 0.753 | 54.0 | 0.791 | 127.0 | 0.998 | 127.5 | 0.997 | 129.5 | 0.998 |
0.3 | 56.7 | 0.810 | 57.1 | 0.814 | 59.7 | 0.842 | 122.1 | 0.994 | 122.6 | 0.994 | 125.0 | 0.995 |
0.4 | 64.4 | 0.805 | 64.8 | 0.809 | 67.2 | 0.834 | 121.2 | 0.992 | 121.7 | 0.993 | 124.3 | 0.994 |
0.5 | 72.6 | 0.748 | 73.4 | 0.758 | 75.6 | 0.787 | 123.0 | 0.992 | 123.5 | 0.992 | 126.1 | 0.993 |
0.6 | 86.7 | 0.733 | 87.0 | 0.736 | 88.6 | 0.762 | 125.6 | 0.992 | 126.1 | 0.992 | 128.6 | 0.993 |
0.7 | 116.4 | 0.788 | 116.5 | 0.790 | 116.9 | 0.807 | 130.2 | 0.991 | 130.7 | 0.991 | 133.1 | 0.992 |
0.8 | 172.8 | 0.842 | 172.9 | 0.844 | 170.8 | 0.853 | 142.8 | 0.984 | 143.7 | 0.984 | 145.3 | 0.986 |
0.9 | 190.7 | 0.897 | 190.7 | 0.898 | 188.0 | 0.904 | 167.7 | 0.963 | 168.1 | 0.963 | 169.2 | 0.967 |
Mean | 79.4 | 0.777 | 79.8 | 0.781 | 81.6 | 0.806 | 124.4 | 0.992 | 124.9 | 0.992 | 127.4 | 0.993 |
Standard deviation | 21.0 | 0.031 | 20.9 | 0.030 | 20.1 | 0.030 | 3.2 | 0.001 | 3.2 | 0.001 | 3.2 | 0.001 |