One-, Two-, and Three-Parameter Isotherms, Kinetics, and Thermodynamic Evaluation of Co(II) Removal from Aqueous Solution Using Dead Neem Leaves

Table 7

Comparison of adsorption capacity of DNL and equilibrium reaction time with other adsorbents for Co(II) adsorption.

Adsorbent	qm (mg/g)	Equilibrium time (min)	Reference
Lignocellulose/montmorillonite (LMT) nanocomposite	93.43	60	[59]
Activated disordered mesoporous carbons	90%	15	[54]
Untreated peat moss	30.03	60	[60]
Peat moss treated with HNO3	21.51	100
Peat moss treated with NaOH	35.21	15
Thespesia populnea bark activated carbon	26.09	60	[55]
Carbon gel without doping	2.8927	180	[61]
Carbon gel doped with graphite	7.97
Apricot stone activated carbon	111.11	90	[62]
South African coal fly ash	0.40	240	[63]
Magnetic chitosan	27.5	1	[64]
Saudi roasted date pits	6.28	40	[65]
Neem leaves	523	10	This study