Table 9 Inventory the carbon footprint, latent energy, and unit cost of raw materials.
No. | Raw material | Cost ($/kg) | EE (MJ/kg) | E-CO2 (kg/kg) |
|---|---|---|---|---|
1 | Portland cement | 0.11 | 4.8 | 0.83 |
2 | Silica fume | 0.04 | 0.100 | 0.014 |
3 | Metakaolin | 0.40 | 3.5 | 0.06 |
4 | Quartz powder | 0.15 | 0.14 | 0.01 |
5 | Sand | 0.02 | 0.022 | 0.001 |
6 | Superplasticizer | 3.20 | 18.1 | 0.25 |
7 | Water | 0.00 | 0.01 | 0.0002 |
8 | Steel fiber | 4.8 | 20.59 | 5.4 |
9 | Polypropylene | 1.25 | 16.5 | 6.7 |