Carbon type

Ea, kcal.

Eb, kcal.

Nonash coal

26.7

62.9

Nonash coal

27.3

59.6

Sugar coal + 9%Al₂O₃

27.0

55.0

Sugar coal + 7%Fe

25.7

22.8

Coke, Pco₂ = 10 - 100 mmw

26.8

46.6

Coke, Pco₂ = 100 - 1000 mmw

26.8

51.6