Greener Method for the Application of TiO₂ Nanoparticles to Remove Herbicide in Water

Table 1

Chemical composition of clay.

No.	Chemical composition	Percentage (wt %)
1	SiO2	72.77
2	Al2O3	16.96
3	MgCO3	4.55
4	K2O	1.95
6	CaCO3	0.63
7	TiO2	0.79
8	Fe2O3	2.32
9	Others	0.13