Table 2 Percentage of different aromatic sheets at different temperatures.

From: HRTEM analysis of the aggregate structure and ultrafine microporous characteristics of Xinjiang Zhundong coal under heat treatment

 

Raw (%)

100 °C (%)

200 °C (%)

300 °C (%)

400 °C (%)

500 °C (%)

600 °C (%)

700 °C (%)

800 °C (%)

1 × 1

56.1

55.6

60.0

58.5

54.3

56.7

51.9

47.8

51.0

2 × 2

18.5

19.2

16.6

17.7

20.1

17.9

21.5

21.9

23.7

3 × 3

16.7

16.5

13.1

14.3

17.2

16.8

17.4

20.4

20.3

4 × 4

6.3

6.6

8.3

8.0

7.4

7.5

8.1

8.3

4.5

Amount

97.6

97.9

98.0

98.5

99.0

98.9

98.9

98.4

99.5

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