Preparation and Characterization of Functionalized Cellulose Nanomaterials (CNMs) for Pb(II) Ions Removal from Wastewater

Table 5

Comparison of adsorption capacity of Pb(II) ions by different adsorbents.

Adsorbent	Adsorption condition	Qmax (mg/g)	Isotherms	Kinetics	References
Chitosan functionalized with xanthate	25°C, pH 4	322.6	Langmuir	PSO	[81]
Tannin-nanocellulose (TNCC)	25°C, pH 6	53.37	Langmuir	PSO	[82]
Activated carbon	25°C, pH 7	47.61	Langmuir	PSO	[83]
Fe3O4@TATS@ATA	25°C, pH 5.7	205.2	Langmuir	PSO	[84]
CYCS/CNC	25°C, pH 7	334.9	Langmuir	PSO	[85]
Magnetic hydrogel beads (m-CS/PVA/CCNFs)	35°C, pH 4.5	171	Langmuir	PSO	[86]
Biomass-magnetic hybrid	25°C, pH 6.8	63.6	Langmuir	PSO	[87]
CNM	25°C, pH 6.0	91.74	Langmuir	PSO	This work
NaIO4-CNM	25°C, pH 6.0	384.62	Langmuir	PSO	This work