Official Journal of the Japan Wood Research Society
Table 3 Energy consumed and CO2 emitted to produce 1 ton of Bio-coke
Process | Item | Amount | Unit | t CO2 | (%) | |
|---|---|---|---|---|---|---|
Input | ||||||
Raw material | ||||||
Energy | Chips for 1 t Bio-coke | 8.33 × 100 | m3 | – | – | |
Obtaining raw wood material for chips (9.93 m3) | Process I | – | – | 6.44 × 10−2 | 7.0 | |
Process II | 5.91 × 10−3 | |||||
Manufacturing | Processing (1) (producing 9.93 m3 of chips) Process III, IV | Light oil | 3.26 × 101 | L | 8.41 × 10−2 | 8.4 |
Gasoline | 1.39 × 10−1 | L | 3.22 × 10−4 | |||
LP gas | 6.72 × 10−5 | t | 2.02 × 10−4 | |||
Kerosene | 3.32 × 10−2 | L | 7.71 × 10−5 | |||
Processing (2) (Producing 1 t Bio-coke) Processes V–X | Electricity | 1.46 × 103 | kWh | 7.50 × 10−1 | 82.9 | |
Light oil | 1.49 × 100 | L | 3.85 × 10−3 | |||
Kerosene | 8.21 × 10−1 | L | 2.05 × 10−3 | |||
Multi-diesel oil | 5.28 × 10−3 | L | 1.53 × 10−5 | |||
Pellet | 2.00 × 10−1 | t | 7.65 × 10−2 | |||
Product transfer | Process XI | Light oil | 6.78 × 100 | L | 1.75 × 10−2 | 1.7 |
Output product | Process XII | Bio-coke | 1.00 × 100 | t | 0 | 0.0 |
Total amount | t CO2 | 1.01 × 100 | 100 | |||