Solid and liquid fuels
|
Gross calorific value/ MJ kg−1
|
AlcoholsEthanol
| 30 |
Methanol
|
23
|
Coal and coal productsAnthracite (4% water)
| 36 |
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
Peat (20% water) |
16
|
Petroleum and petroleum productsDiesel fuel
|
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
|
WoodWood (15% water)
|
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
|
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