Assessment of Sewage Water Treatment Using Grinded Bauxite Rock as a Robust and Low-Cost Adsorption

Table 1

The bauxite rock’s main chemical composition.

Element	Weight (%)	Atomic (%)
O	30.52	49.61
Al	34.51	33.27
Si	1.69	1.56
Ca	0.27	0.17
Fe	33.02	15.38