Coal Specifications

Typical Quality
 		 Muswellbrook Boggabri IAR Thermal
13.5% 18.0% 25.0% PCI-7.0% 8.5% 12.0% 12.8%
Calorific Value kcal/kg GAR 6393 5856 5205 6809 6691 6408 6401
Total Moisture % AR 9.0 9.0 9.0 10.0 10.0 10.0 9.5
Proximate Analysis      
Inherent Moisture % AD 2.5 2.1 2.1 4.5 4.5 4.5 3.5
Ash % AR 12.6 16.7 23.2 6.6 8.0 11.3 12.0
Volatile Matter % AR 29.4 26.0 13.7 33.2 33.0 31.6 29.4
Fixed Carbon % AR 49.0 48.2 44.1 50.2 49.0 47.1 49.1
Total Sulphur % AR 0.75 0.65 0.56 0.42 0.42 0.42 0.56
HGI   47 47 47 50 50 50 48
Ultimate Analysis      
Carbon % AD 71.30 67.5 61.70 73.40 72.20 69.30 70.30
Hydrogen % AD 4.60 4.5 4.20 4.88 4.80 4.60 4.60
Nitrogen % AD 1.60 1.58 1.55 1.68 1.65 1.59 1.60
Sulphur % AD 0.72 0.63 0.53 0.42 0.42 0.40 0.58
Oxygen % AD 5.78 5.69 4.92 8.12 7.93 7.61 6.62

 

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Typical Quality
 		 Muswellbrook Boggabri IAR Thermal
13.5% 18.0% 25.0% PCI-7.0% 8.5% 12.0% 12.8%
Calorific Value kcal/kg GAR 6393 5856 5205 6809 6691 6408 6401
Total Moisture % AR 9.0 9.0 9.0 10.0 10.0 10.0 9.5
Proximate Analysis      
Inherent Moisture % AD 2.5 2.1 2.1 4.5 4.5 4.5 3.5
Ash % AR 12.6 16.7 23.2 6.6 8.0 11.3 12.0
Volatile Matter % AR 29.4 26.0 13.7 33.2 33.0 31.6 29.4
Fixed Carbon % AR 49.0 48.2 44.1 50.2 49.0 47.1 49.1
Total Sulphur % AR 0.75 0.65 0.56 0.42 0.42 0.42 0.56
HGI   47 47 47 50 50 50 48
Ultimate Analysis      
Carbon % AD 71.30 67.5 61.70 73.40 72.20 69.30 70.30
Hydrogen % AD 4.60 4.5 4.20 4.88 4.80 4.60 4.60
Nitrogen % AD 1.60 1.58 1.55 1.68 1.65 1.59 1.60
Sulphur % AD 0.72 0.63 0.53 0.42 0.42 0.40 0.58
Oxygen % AD 5.78 5.69 4.92 8.12 7.93 7.61 6.62

 

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