Table 1 Chemical composition of initial materials for precursors, according to XRF analysis, Wt%.
From: Sustainable alkali activated binders from a blend of biomass ash and iron sludge precursor
SiO2 | CaO | K2O | Al2O3 | MgO | SO3 | P2O5 | Fe2O3 | Cl | Na2O | MnO | TiO2 | BaO | ZnO | SrO | ZrO2 | Other LOI | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
BFA | 32.99 | 32.63 | 7.48 | 5.91 | 5.57 | 5.38 | 4.26 | 2.87 | 0.681 | 0.672 | 0.613 | 0.495 | 0.185 | 0.126 | 0.044 | 0.042 | 0.052 0.042 |
IS | 0.25 | 0.05 | - | 0.04 | 0.74 | - | 0.27 | 98.39 | - | - | - | - | - | - | - | - | 0.26 - |
