120,000MT/month x12
Har = Total hydrogen on as received basis
Har = Hd X (100-TM)/100 + 0.1119 x TM
Where:
* 2 Net calorific Value = Gross Calorific Value - 5.72 (Har x 9)
* 1. Total Moisture is acceptable up to 18.5% max., is ah content is equal to or less than 10.0%
Max. 40
%
Under 2mm
Max. 5
%
Above 50mm
Size distribution
Max. 3
K2 O
Max. 2
Na2 O
Max. 16
Fe2 O3
Ash Analysis
(Reducing Atmosphere)
Min. 1,200
C
Ash Fusion temperature IDT
Max. 2.4
% WT
Nitrogen (dry ash free basis)
Min. 5,350
Kcal/Kg
Net Calorific Value * 2
Min. 5,700
Kcal/kg
Gross Calorific Value
(As received basis)
Min. 45
Grindability (HGI)
Max 1.00
Total Sulphur (As received basis)
Max. 17
% WT
Ash (Air dried basis)
Max. 60
% WT
Fixed carbon (Air dried basis)
22~45
% WT
Volatile Matter (Air dried basis)
Max. 15*1
% WT
Total Moisture TM
(As received basis)
Limit of Range
Unit
Item
Spec 1 Bituminous Coal (based on ASTM standards)
coal
Place of Origin: | South Africa |