Adsorption Thermodynamics, Modeling, and Kinetics Studies for the Removal of Lead Ions Using ZnO Nanorods

Table 4

Lead ions removal using various nanoadsorbents and nanocomposites.

S. no	Adsorbent	Adsorption
1	γ-Fe2O3	50
2	Fe3O4@SA–Zr	333.33
3	γ-Fe2O3	71.42
4	Fe3O4	79.3
5	Magnetite–hematite	617.3
6	Fe3O4	36
7	Fe3O4	76.8
8	Fe3O4	46.18
9	γ-FeOOH	527.944
10	α-FeOOH	820.165
11	G-nZVI	97
12	AF-Fe3O4	369
13	Fe3O4-DMSA	-99
14	NH2-HCMSSs	194.3
15	CoFe2O4–NH2	140.1
16	NiO (25 nm)	62.5
17	NiO (28 nm)	625
18	NiO (38-130 nm)	50.505
19	CuO	160.7
20	ZnO	26.109
21	Si–OH & Al–OH	100
22	TiO2	132.458
23	Ti-AM	476.19
24	MnOs	80.1
25	Hydrated MnOs	204.1
26	Si	83.3
27	XG-g-PAM/SiO2	537.634
28	Fe3O4/silica–XG	21.32
29	SiOH	46.3
30	Si	200.8
31	SWCNTs/WSh	185.2
32	Fe3O4-GS	27.95
33	PAS-GO	312.5
34	PoPD/RGO	228
35	HFO-001, TiP-001, HMO-001	395
36	CS-TPP	398
37	CS-MAA	11.3
38	HAP	1429
39	CS/Fe-HAP	1385
40	SiO2-nH2O	60
41	γ-Fe2O3	68.9
42	SiC	156.2
43	Fe3O4	197.02
44	Zincon–Si–MNPs	(84-104)
45	MoS2	19.87
46	CeO2	188.7
47	TiO2	158.73
48	Fe3O4	82.64
49	Oval CuO	125
50	Cluster CuO	116
51	Leaves CuO	117
52	Rod CuO	120
53	Nanosheet CuO	115
54	Present study (ZnO rods)	142