Coal
Anthracite
|
Grade “ASH” |
Grade “AS” |
Grade “AM” |
Grade “AKO” |
|
|
Total Moisture |
10%max |
9%max |
7%max |
5%max |
|
Ash |
17%max |
8%max |
6%max |
5%max |
|
Volatile Matter |
3%max |
3%max |
3%max |
3%max |
|
Total Sulphur |
1%max |
1%max |
1%max |
1%max |
|
Fixed Carbon |
80%max |
89%max |
91%max |
92%max |
|
Colarific Value |
6000 |
6400 |
6800 |
7000 |
|
Kcal/Kg min |
||||
|
Size |
0 – 6mm |
+ 6 – 13 mm |
+ 13 – 25 mm |
+25 – 70/100 mm |
Steam Coal
|
Total Moisture |
10%max |
|
Ash |
14-16% |
|
Volatile Matter |
16-32% |
|
Total Sulphur |
0.7%max |
|
Size |
0-50 mm |
|
Calorific Value |
6000 Kcal/Kg min |
PCI
|
Size |
0-50 mm Guaranteed |
|
T.Moisture |
8%max |
|
Ash (dry) |
13%max |
|
Volatile (d.b.) |
12%max |
|
Fixed Carbon (dry) |
76%max |
|
Sulphur (dry) |
0.7%max |
|
K2O in Ash (dry) |
2.2%%max |
|
Na2O in Ash (dry) |
0.6%max |
|
Phosphorus In Ash (dry) |
0.4%max |
|
HGI |
55 min/75max |
|
Calorific Value |
6.500 kcal/min |
|
Screen Analysis |
0 – 6 mm 80% max |
|
6.50 mm |
20% min |
Coking Coal
|
Total Moisture (as-received) |
%max 7,00 |
|
|
Ash (dry basis) |
%max 8,00 |
|
|
Volatile Matter (dry basis) |
%24-28 |
|
|
Sulphur(dry basis) |
%max 0,60 |
|
|
Phosphorus (dry basis) |
%max 0,050 |
|
|
Total Alkali K2O+Na2O(in ash) |
%max 2,80 |
|
|
Free Swelling Index (FSI) |
min 7,00 |
|
|
Max.Fludity (ddpm) |
min 150 |
|
|
Relative Degree of Oxidation |
%95 |
|
|
Random Vitrinite Reflectance |
0,9-1,5 |
|
|
Size |
0-50 |
|
|
+50 mm |
%max 0 |
|
|
-0,50 mm |
%max 25 |
|
|
Dilatation (A.A., +d) |
%min25 |
|
|
Ash Fusion Temperature |
min.1350 |
|
|
Net Calorific Value (dry basis) |
min.6500 |
|
|
Stability |
min.55 |
|
|
Coke Reactivity Index (CRI) |
max.32 |
|
|
Coke Strength after Reaction (CSR) |
min.50 |
|
|
Coking Wall Pressure (kpa) |
max.7 |
