Environmental Engineering Reference
In-Depth Information
Table 9.3
Organo-bentonites used for removal of anionic dyes from aqueous solutions together with their adsorption
capacities.
Clay Type
Surfactant
Dye Name
Speciic
Surface
Area
Adsorption
Capacity
(mg/g)
Reference
Bentonite
Cetyltrimethylammonium bromide
Congo red
18.41
210.104
[37]
Bentonite
Hexadecyltrimethylammonium
bromide; Octyltrimethyl
ammonium bromide;
Myristyltrimethylammonium
bromide
Orange II
and
Orange G
17.46
4.86
0.21
228.74
170.46
[50]
Bentonite
Polyepicholorohydrin-dimethylamine
Violet K-3R and Acid
Dark Blue 2G
Not Provided
44.64
40.77
[51]
Bentonite
Dodecyltrimethylammonium
bromide
Acid Blue 193 (AB193)
Not Provided
740.5
[70]
Montmor.
KSF protonated dodecylamine
Remazol brilliant blue R
128
38.99
[72]
Bentonite
Cetyltrimethyl ammonium bromide
Benzopurpurin 4B
Not Provided
153.84
[80]
Bentonite
Dodecyltrimethyl ammonium
bromide
Reactive blue (RB19)
32.86
206.58
[82]
Bentonite
Cetyldimethylbenzylammonium
chloride and Cetylpyridinium
chloride
Acid Red 151
8.92
2.41
357.14
416.60
[83]
Montmor.
Calcium alginateorganophilc
Acid Green B
Direct Pink 3B
Not Provided
26
16
[97]
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