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Table 9

Carbonization test results of Indian coking coals in laboratory ovens.

Coal ID IND-A IND-B IND-C IND-D IND-E IND-F IND-G IND-H IND-I IND-J IND-K IND-L
Moisture, % 10.0 10.1 10.2 10.0 10.0 10.1 9.9 10.1 9.9 10.2 10.0 9.9
Ash, % 18.3 20.5 17.8 20.4 17.4 21.3 19.2 17.5 20.5 16.5 15.8 15.2
VM, % 17.2 17.7 17.9 18.5 18.7 18.7 18.8 19.3 19.4 21.3 22.2 24.8
CI (−3.0 mm), % 90 89 90 91 90 90 90 90 90 90 89 90
CI (−0.5 mm), % 48 48 48 49 50 48 48 49 48 50 48 49
BD, t/m3 (wet) 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15 1.15
Coking time, hrs 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0 5.0
Coke end temperature, °C 1050 1050 1050 1050 1050 1050 1050 1050 1050 1050 1050 1050
Coke CSR 64.5 52.8 71.9 61.6 61.5 52.4 63.7 65.0 55.0 55.0 54.5 54.4
Coke CRI 25.5 30.4 17.6 25.1 26.5 25.4 25.0 24.5 26.2 26.1 26.9 29.5

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