	TMEs	Isotherm parameters	Parameters values	References
Freundlich Isotherm	Fe²⁺	q_m (mg∙g⁻¹)	95.49	Farrokhzadeh et al. [11]
		1/n	0.49
		R²	0.810
	Zn²⁺	q_m (mg∙g⁻¹)	50.35	Bhatti et al. [3]
		1/n	0.12
		R²	0.995
	Cd²⁺	q_m (mg∙g⁻¹)	157.7	Sharma et al. [8]
		1/n	0.73
		R²	-
	Zn²⁺	q_m (mg∙g⁻¹)	10700	Kalavathy and Miranda [2]
		1/n	0.45
		R²	0.996
	Pb²	q_m (mg∙g⁻¹)	97600	Sahabi et al. [20]
		1/n	0.54
		R²	0.974
	Cd²⁺	q_m (mg∙g⁻¹)	3073.88
		1/n	0.75
		R²	0.965