Table 9 XRF test results on the SSA (the dewatered sludge after incineration)
From: Combined Use of Sewage Sludge Ash and Silica Fume in Concrete
Element | Content (%) | Element | Content (%) | Element | Content (%) |
|---|---|---|---|---|---|
L.O.I | 10.02 | Na2O | 1.23 | Zn | 0.54 |
Al2O3 | 7.7 | SiO2 | 25.3 | Zr | 0.1 |
Fe2O3 | 6.12 | SO3 | 5.9 | Cu | 0.07 |
CaO | 23.7 | K2O | 1.81 | Cl | 0.21 |
MgO | 2.86 | P2O5 | 13.6 | Sr | 0.1 |
TiO2 | 0.77 | MnO | 0.11 | Â | Â |