Remediation of Polluted Water Using Natural Zeolitic Aluminosilicates/Lateritic Clay Ceramic Matrix Membrane

Table 3

Chemical compositions of the ceramic membrane raw materials determined by PIXE analysis.

Compound	Clay raw material (wt %)	Zeolitic raw material (wt %)
Na2O	3.93	5.02
MgO	0.61	0.92
Al2O3	46.16	15.33
SiO2	45.72	76.06
K2O	0.97	0.36
CaO	0.16	0.76
TiO2	0.54	0.14
V2O3	0.03	0.02
MnO	0.04	0.002
FeO	1.50	0.45
CoO	0.17	—
NiO	0.01	—
Cu2O	0.02	—
ZnO	0.007	0.006
SrO	0.006	—
SiO2/Al2O3 ratio	0.99	4.96