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Calorific Values of Coal / Charcoal
The table below shows the calorific value of common fuel materials for making coal / charcoal briquettes. This can help you choose the right raw material and make high quality fuel briquettes. If your material is not included in the form, you are welcome to contact us for more information. We are glad to help!
| Raw Materials Approx | K Cal/Kg |
| Heavy Furnace Oil | 9900 |
| Kerosene | 8900 |
| Diesel | 9400 |
| LPG | 9400 |
| Coal Grade 'b' | 5000 |
| Coal Grade 'c' | 4500 |
| Fire Wood | 3300 |
| Char Coal | 6000 |
| Briquette "white Coal" | 4000 |
Calorific Values of Solid, Liquid and Gaseous Fuels
|
Solid and liquid fuels |
Gross calorific value/ MJ kg−1 |
|
Alcohols |
|
|
Methanol |
23 |
|
Coal and coal products |
|
|
Coal tar fuels |
36–41 |
|
General purpose coal (5–10% water) |
32–42 |
|
High-volatile coking coals (4% water) |
35 |
|
Low temperature coke (15% water) |
26 |
|
Medium-volatile coking coal (1% water) |
37 |
|
Steam coal (1% water) |
36 |
|
Peat |
16 |
|
Petroleum and petroleum products |
46 |
|
Gas oil |
46 |
|
Heavy fuel oil |
43 |
|
Kerosine |
47 |
|
Light distillate |
48 |
|
Light fuel oil |
44 |
|
Medium fuel oil |
43 |
|
Petrol |
44.8–46.9 |
|
Wood |
16 |
|
Gaseous fuels at 15 °C, 101.325 kPa, dry |
Gross calorific value/MJ m− 3 |
|
Coal gas coke oven (debenzolized) |
20 |
|
Coal gas continuous vertical retort (steaming) |
18 |
|
Coal gas low temperature |
34 |
|
Commercial butane |
118 |
|
Commercial propane |
94 |
|
North Sea gas natural |
39 |
|
Producer gas coal |
6 |
|
Producer gas coke |
5 |
|
Water gas carburetted |
19 |
|
Water gas blue |
11 |
- 1 kJ/kg = 1 J/g = 0.4299 Btu/ lbm = 0.23884 kcal/kg
- 1 Btu/lbm = 2.326 kJ/kg = 0.55 kcal/kg
- 1 kcal/kg = 4.1868 kJ/kg = 1.8 Btu/lbm
- 1 dm3 (Liter) = 10-3 m3 = 0.03532 ft3 = 1.308x10-3 yd3 = 0.220 Imp gal (UK) = 0.2642 Gallons (US)
