Table 6 Cost-effectiveness of converter co-processing technology
Description | Unit cost | Amount | Total cost (USD) |
|---|---|---|---|
Materials cost | 241,448 | ||
Waste oil & oily wastewater treatment | 769 USD t−1 | 250 t | 192,250 |
Waste activated carbon treatment | 923 USD t−1 | 20.4 t | 18,829 |
Fresh activated carbon | 923 USD t−1 | 20.4 t | 18,829 |
PE packaging film | 2308 USD t−1 | 5 t | 11,540 |
Fuel and power cost | 45,623 | ||
Diesel fuel | 977 USD m−3 | 0.5 m3 | 489 |
Electricity | 0.1 USD (kWh)−1 | 450,000 kWh | 45,000 |
Tap water | 0.54 USD m−3 | 249 m3 | 134 |
Labor service cost | 230,800 | ||
Depreciation and maintenance costs | 113,700 | ||
Total cost | 631,571 | ||
Co-processing cost per ton | 126.31 (A) | ||
Chemical cleaning process per ton | 242.85 (B) | ||
Cost saving per ton | 116.54 = (B) - (A) | ||