Eco-Efficient Biosorbent Based on Leucaena leucocephala Residues for the Simultaneous Removal of Pb(II) and Cd(II) Ions from Water System: Sorption and Mechanism

Table 2

Langmuir isotherm constants for single and simultaneous Pb(II) and Cd(II) removal by LLEPs.

Metallic ions	Langmuir isotherm
	(mg/g)	(dm^3/mg)
Single removal
Pb(II)	25.510	6.112	0.980
Cd(II)	14.792	55.793	0.998
Simultaneous removal
Pb(II)	21.552	2.269	0.996
Cd/II	16.807	12.549	0.968