Table 1 Chemical composition of POFA and OPC.
From: Synergistic effects and optimization of palm oil fuel ash and jute fiber in sustainable concrete
Chemical composition | SiO2 | CO2 | Al2O3 | Fe2O3 | K2O | P2O5 | CaO | MgO | TiO2 | SO3 | Cl | Zr | LoI |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
POFA | 64.9 | 0.1 | 7.96 | 6.78 | 7.87 | 3.04 | 5.64 | 1.74 | 0.57 | 0.83 | 0.25 | < LLD | – |
OPC | 21 | – | 5.5 | 3 | 0.7 | – | 64.5 | 2 | 0.3 | 2.8 | 0.1 | – | 0.1 |