Table 3 Result of the semi-quantitative chemical analysis of OPC and calcium carbonate sludge materials.
From: Geoenvironmental use of CaCo3 sludge in subgrade soil for a greener sugar industry
Materials | Chemical analysis (%) | ||||||
|---|---|---|---|---|---|---|---|
MgO | Al2O3 | SiO2 | SO3 | K2O | CaO | Fe2O3 | |
Ordinary Portland cement, OPC (wt%) | 2.35 | 5.56 | 20.64 | 1.88 | 0.95 | 63.82 | 3.25 |
Calcium carbonate sludge, CaCO3 (wt%) | 0.51 | 0.13 | 0.77 | 1.04 | 0.01 | 97.24 | 0.16 |
