Sample location

production

seams

proximate analysis of coal, %

graphitization degree

PXRD

moisture

ash content

volatile

fixed carbon

total sulfur

d₀₀₂/nm

2θ

Hanpo’ao Sycline

in Xinhua Hunan

SJ3

15.63

32.79

3.54

63.67

0.57

87.7

3.3646

26.47

BC5-1

1.29

11.09

5.41

83.5

0.41

61.4

3.3873

26.29

BC5-2

1.41

9.94

5.42

84.64

0.49

58.5

3.3897

26.27

BC3-4

1.81

21.79

5.15

73.06

0.80

58.6

3.3896

26.27

SHL3-2

0.80

12.85

3.42

83.73

0.42

64.4

3.3846

26.31

SHL5-1

0.33

2.71

4.53

92.76

0.20

64.4

3.3846

26.31

average

3.55

15.20

4.58

80.23

0.48

65.83

3.3834

26.32