Table 6.8 Similar assessment of various adsorptive media recently utilized for arsenic removal
Adsorbents
pH*
Adsorbent
Dose Used
(g/L)
Arsenic
Concentration
Range (mg/L)
Adsorption
Capacity (mg/g)
Source
As(III)
As
(V)
Fly ash
4
5
1–100
–
2.40
Lorenzen et al.
(1995)
Red mud
7.25 20
0.1–50
0.884
0.941
Altundoğan et al.
(2000)
Kaolinite
5
100
0–200
–
0.86
Mohapatra et al.
(2007)
Goethite
6–8 1.6
0.1–200
28
7
Lenoble et al.
(2002)
Alumina
7.6
1–13
1–100
0.18
–
Singh and Pant
(2004)
TiO 2
7
1
1–200
32.4
41.4
Bang et al.
(2005)
Fe 3 O 4 -GO
7
0.1
0–550
85
38
Yoon et al.
(2016)
Fe 3 O 4 À reduced
GO
7
0.1
0–550
57
12
Yoon et al.
(2016)
NZVI-Reduced
GO
7
0.4
1–15
35.83
29.04
Wang et al.
(2014)
GNP-Hydrous
Cerium oxide
4
0.1
1–80
–
62.33
Yu et al. (2015)
CeO 2 -GO
–
0.5
0.1–200
185
212
Sakthivel et al.
(2017)
Fe 3 O 4 -MWNT
based electrodes
–
0.08
200–400
39
53
Mishra and
Ramaprabhu
(2010)
NZVI/AC
6.5
0.5–6
2
11
15
Zhu et al. (2009)
Mg-Al double
hydroxide/GO
5
0.5
0.1–150
–
180.26 Wen et al. (2013)
GN-α-FeOOH
Aerogel
8–9 0.05
1–16
13.42
81.3
Andjelkovic
et al. (2015)
rGO-Fe 3 O 4 -
TiO 2
7
0.2
3–10
147.05 –
Benjwal et al.
(2015)
GO-MnFe 2 O 4
1–2 0.2
10–50
–
240.3
Huong et al.
(2016) and Luo
et al. (2013)
β-FeOOH@GOCOOH
6.5
1
1–200
77.5
45.7
Chen et al.
(2015)
FeMnO x /RGO
0.2
0.2–7
22.17
22.05
Zhu et al. (2015)
GO–ZrO(OH) 2
7
0.5
2–80
95.15
84.89
Luo et al. (2013)
Eu-MGO/
Au@MWCNT
7
3
0–65
320
298
Roy et al. (2016)
166
T. S. Sakthivel et al.