Basic parameters and conversion factors |
||
Wood – net calorific value (30% mc, dry basis) |
13.8 |
MJ/kg |
Charcoal – net calorific value (5% mc, dry basis) |
30.8 |
MJ/kg |
Charcoal/fuelwood |
165 |
Kg charcoal/CUM |
Wood density |
725 |
Kg/ CUM |
Black liquor availability* |
2.27 |
CUM/ tonne chemical pulp |
Chemical pulp (in form of black liquor) |
22 711 |
MJ/ tonne chemical pulp |
* for black liquor accounting as woodfuel, it can be assumed that from one tonne of chemical cellulosic pulp production, an amount of liquor equal to 2.27 m3 of woodfuel, in energy terms, results (FAO, 1997). |
||
| Auxiliary assumptions | ||
Fraction of wood residues used as fuel |
50 % |
|
Fraction of black liquor used as fuel |
100 % |
|
Energy Conversion Factors |
||||||
MJ |
PJ |
Toe |
Ktoe |
Boe |
||
Megajoules |
MJ |
1 |
1.00E-09 |
2.388E-05 |
2.388E-08 |
0.000164 |
Petajoules |
PJ |
1.00E+09 |
1 |
23 884.6 |
23.8846 |
1.64E+05 |
Tonne of oil equivalent |
Toe |
41 868 |
4.19E-05 |
1 |
0.001 |
6.849315 |
‘000 Toe |
Ktoe |
41 868 000 |
0.041868 |
1 000 |
1 |
0.006849 |
Barrel of oil equivalent |
Boe |
6 112.73 |
6.11E-06 |
0.146 |
0.000146 |
1 |
SI prefixes
Prefix |
Symbol |
Factor |
Peta |
P |
1015 |
Tera |
T |
1012 |
Giga |
G |
109 |
Mega |
M |
106 |
Kilo |
K |
103 |
