Table 3 CO2 emission for burnt clay and fly ash bricks at various production stages.
CO2 emission stages | gCO2 emission burnt clay brick (with European emission values) | gCO2 emission fly ash brick (with European emission values) | gCO2 emission burnt clay brick (with Indian emission values) | gCO2 emission fly ash brick (with Indian emission values) |
|---|---|---|---|---|
Extraction | Nil | Nil | Nil | Nil |
Material Transportation | 0.136 | 16.77 | 0.3146 | 48.61 |
Water, NaOH & GGBFS | 0.006 | 20.56 & 0.52 | 0.006 | 20.56 & 0.52 |
Fuel Transport | 1.757 | Nil | 0.50 | Nil |
Firing/Electricity | 90.16 | 0.008 | 90.16 | 0.008 |
Storage and Distribution | 5.02 | 5.95 | 11.59 | 13.73 |
Total CO2 @1Â kg of brick | 97.08 | 14.6 | 102.07 | 27.63 |
Total CO2 @ 1 brick | 290 | 43.80 | 285.6 | 82.90 |
