Table 1 Energy use and carbon emission factors for Fe, Al, and Cu production
From: Resource, economic, and carbon benefits of end-of-life trucks’ urban mining in China
Metal | Indictor | Unit | Primary production | Secondary production | Range of all factors |
---|---|---|---|---|---|
Al | Energy use | MJ kg⁻¹ material⁻¹ | 47.00 | 2.40 | ±20% |
Carbon emission | t CO₂ t⁻¹ material⁻¹ | 8.80 | 0.29 | ±20% | |
Fe | Energy use | MJ kg⁻¹ material⁻¹ | 14.00 | 5.0 0 | ±20% |
Carbon emission | t CO₂ t⁻¹ material⁻¹ | 1.67 | 0.70 | ±20% | |
Cu | Energy use | MJ kg⁻¹ material⁻¹ | 16.90 | 6.30 | ±20% |
Carbon emission | t CO₂ t⁻¹ material⁻¹ | 1.25 | 0.44 | ±20% |