Research Article
Binary Effect of Fly Ash and Palm Oil Fuel Ash on Heat of Hydration Aerated Concrete
Table 1
Chemical composition of OPC, POFA, and PFA.
| | Chemical combination (%) | OPC | POFA | PFA |
| | SiO2 | 16.40% | 63.70% | 53.60% | | Al2O3 | 4.24% | 3.68% | 26.60% | | Fe2O3 | 3.53% | 6.27% | 5.36% | | CaO | 68.30% | 5.97% | 7.28% | | K2O | 0.22% | 9.15% | 1.30% | | P2O5 | — | 4.26% | 1.51% | | MgO | 2.39% | 4.11% | 0.67% | | CO2 | 0.10% | 0.10% | 0.10% | | SO3 | 4.39% | 1.59% | 0.63% | | Cl | — | 0.50% | — | | TiO2 | — | 0.30% | 1.94% | | Mn | — | 0 < LLD | 0 < LLD | | Na | — | 0 < LLD | — | | Mno | 0.15% | — | — | | Ti | 0 < LLD | — | — | | SrO | — | — | 0.33% | | BaO | — | — | 0.20% | | Zr | — | — | 0 < LLD |
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