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Table 3 Combustion characteristic parameters of samples

From: Improvement of corn stover fuel properties via hydrothermal carbonization combined with surfactant

Sample

SN (10−11 K−3 min−2)

Ar (%·min−1)

Mr (%·min−1)

Ti (K)

Th (K)

Ï„0 (min)

Ci/10−4(K−2 min−1)

Cr/10−7(K−2 min−1)

CS

2.13

4.62

9.12

525.35

716.15

40.6

1.3124

3.30

CS/SA

11.30

6.89

33.10

554.45

656.85

35.7

3.2381

10.77

CS/SA/TW

10.10

6.09

28.81

516.05

651.65

35.1

3.1369

10.82

CS/SA/SDBS

7.97

6.72

20.15

511.85

648.25

33.4

2.1105

7.69

CS/SA/PEG

100.71

36.76

40.28

489.65

613.15

23.2

4.2637

16.80

CS/SA/SL

7.42

6.39

18.24

499.05

629.95

33.1

1.8859

7.32

CS/SA/SP

28.98

11.28

34.78

490.65

562.15

26.6

4.6898

14.45

  1. SN integrated combustion characteristics index, Ar average reaction rate (dw/dt)mean, Mr Maximum reaction rate (dw/dt)max, Ti ignition temperature, Th burnout temperature, Ï„0 burnout time, Ci index of ignition characteristics, Cr index of combustible characteristics