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Proximate & Ultimate Analysis

PREMIER COAL TYPICAL ANALYSIS DATA

Ultimate Analysis
(DAF Basis)

Range

Typical

 

Carbon

73-78%

74%

 

Hydrogen

4-5%

4.3%

 

Nitrogen

1.2-1.4%

1.3%

 

Oxygen

16-21%

19.8%

 

Sulphur

0.3-0.8%

0.6%

 

 

 

 

Proximate Analysis (As Received Basis)

 

Moisture

21-28%

26%

 

Ash

4-9%

6.5%

 

Volatiles

24-29%

26%

 

Fixed Carbon

39-45%

41.5%

 

Energy

19-21MJ/kg

20MJ/kg

 

 

(4500-5000 kcals/kg)

 

 

 

Hardgrove Index

 

HGI

40-55

47

 

 

Ash Analysis (% by weight)

Si02

50

Mg0

1.5

A1203

26

Na2O

0.4

Ti02

1.7

K2O

0.4

Fe203

15

P2O5

1.0

Ca0

2.5

S03

1.5

 

Ash Fusion Temperature (Initial Deformation)

1200°C (minimum)

 

Sizing (Indicative)

 

Sizing

% Retained

 

 

45-63mm

3

 

 

22-45mm

34

 

 

0-22mm

63