Coal
• Thermal Coal:
Origin: Indonesia, South Africa, Australia & U.S.A ( All Grades)
Indonesian Grades:
Parameter |
Basis |
Guaranteed |
Rejection |
GCV |
ARB |
5200 |
5000 |
Total Moisture |
ARB |
28% |
- |
Inherent Moisture |
ARB |
12% |
- |
Ash Content |
ARB |
08-10% |
- |
Sulphur |
ARB |
0.8% max |
above 0.1% |
Volatile Matter |
ARB |
40% |
- |
Fixed Carbon |
ARB |
By Difference |
- |
HGI |
Index |
50 |
- |
Size (0 X 50) |
mm |
90% |
Parameter |
Basis |
Guaranteed |
Rejection |
GCV |
ARB |
5000 |
4800 |
Total Moisture |
ARB |
28% |
- |
Inherent Moisture |
ARB |
14% |
- |
Ash Content |
ARB |
8% |
- |
Sulphur |
ARB |
0.8% max |
above 0.1% |
Volatile Matter |
ARB |
40% |
- |
Fixed Carbon |
ARB |
By Difference |
- |
HGI |
Index |
50 |
- |
Size (0 X 50) |
mm |
90% |
Parameter |
Basis |
Guaranteed |
Rejection |
GCV |
ARB |
4800 |
4600 |
Total Moisture |
ARB |
30% |
- |
Inherent Moisture |
ARB |
12% |
- |
Ash Content |
ARB |
8-10% |
- |
Sulphur |
ARB |
0.8% max |
above 0.1% |
Volatile Matter |
ARB |
42% |
- |
Fixed Carbon |
ARB |
By Difference |
- |
HGI |
Index |
55% |
- |
Size (0 X 50) |
mm |
90% |
Parameter |
Basis |
Guaranteed |
Rejection |
GCV |
ARB |
4400 |
4200 |
Total Moisture |
ARB |
38% |
- |
Inherent Moisture |
ARB |
14% |
|
Ash Content |
ARB |
8-10% |
- |
Sulphur |
ARB |
0.8% max |
above 0.1% |
Volatile Matter |
ARB |
42% |
- |
Fixed Carbon |
ARB |
By Difference |
- |
HGI |
Index |
50 |
- |
Size (0 X 50) |
mm |
90% |
Parameter |
Basis |
Guaranteed |
Rejection |
GCV |
ARB |
4200 |
4000 |
Total Moisture |
ARB |
36% - 38% |
>40% |
Inherent Moisture |
ARB |
15% |
|
Ash Content |
ARB |
6-8% |
>10% |
Sulphur |
ARB |
0.8% - 1% |
>1.2% |
Volatile Matter |
ARB |
35% - 45% |
- |
Fixed Carbon |
ARB |
By Difference |
- |
Gross Calorific Value |
ARB |
4,200 Kcal/kg |
< 4,000 Kcal/kg |
HGI |
Index |
45-50 |
- |
Size (0 X 50) |
mm |
90% Approx |
Parameter |
Basis |
Guaranteed |
Rejection |
GCV |
ARB |
3400 |
3200 |
Total Moisture |
ARB |
40-45% |
- |
Inherent Moisture |
ARB |
14-16% |
|
Ash Content |
ARB |
8% |
above 10% |
Sulphur |
ARB |
0.5% |
above 0.7% |
Volatile Matter |
ARB |
40-45% |
- |
Fixed Carbon |
ARB |
By Difference |
- |
Gross Calorific Value |
ARB |
3,400 Kcal/kg |
below 3,200 Kcal/kg |
HGI |
Index |
55-60 approx |
- |
Size (0 X 50) |
mm |
90% |
below 90% |
South African Grade:
RB1 :
Parameter |
Basis |
Guaranteed |
Rejection |
GCV |
NCB |
6700 |
6500 |
Total Moisture |
ARB |
9% |
above 2% |
Inherent Moisture |
ADB |
6.5% |
above 2% |
Ash Content |
ADB |
14-17% |
- |
Sulphur |
ADB |
0.9% max |
- |
Volatile Matter |
ADB |
24%-27% |
- |
Fixed Carbon |
ADB |
By Difference |
- |
Fineness |
- |
Max4% |
- |
Size (0 X 50) |
mm |
0-50 |
RB2 :
Parameter |
Basis |
Guaranteed |
Rejection |
GCV |
NCB |
6000 |
5800 |
Total Moisture |
ARB |
13% |
above 2% |
Inherent Moisture |
ADB |
7.5% |
above 2% |
Ash Content |
ADB |
11% |
above 2% |
Sulphur |
ADB |
Less than 1.2% |
- |
Volatile Matter |
ADB |
21%-24% |
- |
Fixed Carbon |
ADB |
By Difference |
- |
Size (0 X 50) |
mm |
0-50 |
U.S.A. Grade:
Parameter |
Basis |
Guaranteed |
Rejection |
Total Moisture |
ARB |
5% |
above 2% |
Inherent Moisture |
ADB |
2-3% |
|
Ash |
ADB |
7% |
above 9% |
Sulphur |
ADB |
3% |
above 4% |
Volatile Matter |
ADB |
36-40 approx |
|
Net Calorific Value |
ARB |
7000 |
below 6800 Kcal/kg |
HGI |
Index |
50 |
|
Size (0 X 50) |
mm |
90% |
