Material

Unit

Energy (MJ/Unit)

Cement [2]

1 kg

4.6

Lime [2]

1 kg

5.63

Burnt brick [2]

1 Brick

4.25

Lime-pozzolana cement [3]

1 kg

2.5

NaOH [4]

1 kg

20.5

Na₂SiO₃ [5]

1 kg

5.37