Journal of Fuels / 2014 / Article / Tab 3 / Research Article
Evaluation of Thermal Evolution Profiles and Estimation of Kinetic Parameters for Pyrolysis of Coal/Corn Stover Blends Using Thermogravimetric Analysis Table 3 Obtained pyrolysis kinetic parameters, temperature, and conversion ranges for all types of feedstock at a heating rate of 5°C/min.
Feedstock materials Temperature °C Conversion range, % Activation energy
, KJ/mol Arrhenius constant, min−1 Correlation coefficient,
DECS-38 subbituminous coal (SB) 143–360 2–16 28.13
0.9828 360–460 16–53 149.03
0.9984 460–837 53–98 38.98
0.9616 DECS-25 lignite coal (LG) 175–281 2–9 56.96
0.9973 281–457 9–55 78.15
0.9948 457–791 55–97 41.75
0.9909 Corn stover (CS) 136–350 3–77 103.67
0.9820 350–497 77–92 72.13
0.9846 10% CS + 90% SB 175–267 1–5 67.90
0.9886 267–387 5–25 82.47
0.9907 387–467 25–57 179.16
0.9905 467–787 57–97 25.69
0.9785 20% CS + 80% SB 150–244 1–5 57.39
0.9984 244–360 5–38 107.69
0.9893 360–496 38–75 107.07
0.9913 496–843 75–97 45.85
0.9814 30% CS + 70% SB 166–231 1–5 97.16
0.9912 231–332 5–43 89.99
0.9891 332–550 43–86 55.26
0.9934 550–854 86–97 60.27
0.9874 10% CS + 90% LG 156–265 1–7 53.61
0.9915 265–338 7–22 138.82
0.9967 338–451 20–53 100.42
0.9921 451–853 53–98 28.71
0.9895 20% CS + 80% LG 156–224 2–6 64.59
0.9905 224–308 6–18 126.01
0.9927 308–437 18–61 96.90
0.9892 437–835 61–97 30.37
0.9872 30% CS + 70% LG 171–245 1–5 87.10
0.9889 245–342 5–45 99.15
0.9933 342–455 45–71 93.14
0.9888 455–880 71–98 34.98
0.9790