Table 17.2
(continued)
Dye
Adsorbent
q
max (mg/g)
Percentage
removal
Isotherm
modeling
Kinetics
Thermodynamic
studies
Optimum
pH
References
Bezactive
Orange 16
Zeolite A
305.8
Langmuir
Pseudo-second-order
Nešić et al.
(2013)
1
NaA clay
64.8
92.9%
Langmuir
Pseudo-second-order
Spontaneous and
endothermic
7.0
Sapawe et al.
(2013)
6
Surface-modified
natural zeolite
69.94
97.4%
Langmuir
Pseudo-second-order
Spontaneous and
exothermic
6.0
Liu et al. (2014a)
Basic blue 41
Zeolite tuff
192.31
95.7%
Langmuir
Pseudo-second-order
Spontaneous and
endothermic
8.0
Humelnicu et al.
(2017)
Acid Blue 92
Zeolitic imidazolate
framework
633.4
95.0%
Langmuir
Pseudo-second-order
–
2.1
Abdi et al. (2017)
Direct Red 80
500.2
624
R. S. Ashraf et al.