Table 17.2
(continued)
Dye
Adsorbent
q
max (mg/g)
Percentage
removal
Isotherm
modeling
Kinetics
Thermodynamic
studies
Optimum
pH
References
Acid Blue
25 (14)
C. durian
peel
26.62
60%
Langmuir
Pseudo-second-order
Spontaneous and
endothermic
2.0
Dahri et al.
(2016)
2
Durian seed-based
activated carbon
–
97%
Langmuir
Pseudo-second-order
Spontaneous and
endothermic
8.0
Ahmad et al.
(2014)
3
Durian seed
–
92.52%
Langmuir
Pseudo-second-order
Spontaneous and
endothermic
6.0
Ahmad et al.
(2015b)
Methyl violet
C. durian
peel
0.606 mmol g-1
95%
Langmuir
–
Spontaneous and
endothermic
6.0
Dahri et al.
(2015a)
1
Papaya seeds
555.557
80%
Langmuir
Pseudo-second-order
–
3–10
Hameed (2009)
1
Papaya seeds
637.29
–
Langmuir
Pseudo-second-order
–
12.0
Paz et al. (2013)
1
Organo-modified
rice straw
296
93%
Langmuir
Pseudo-second-order
Spontaneous and
endothermic
7.0–12.0
Ebrahimian
Pirbazari et al.
(2016)
Methyl violet
2B
C. equisetifolia
needle
164.99
69%
Langmuir
Pseudo-second-order
Spontaneous and
endothermic
6.70
Dahri et al.
(2013)
1
C. equisetifolia
needle
110.8
93%
Langmuir
Pseudo-second-order
Spontaneous and
endothermic
4.0
Dahri et al.
(2015b)
2
77.6
89%
9
C. equisetifolia
needle
49.5
75%
Langmuir
Pseudo-second-order
Spontaneous and
endothermic
2.0
Dahri et al.
(2016)
9
C. equisetifolia
needle
82.34
–
Langmuir
Pseudo-second-order
Spontaneous and
endothermic
2.9
Kooh et al.
(2016)
Reactive Red
31
Activated carbon
39.37
–
Langmuir
Pseudo-second-order
–
2–11
Geethakarthi and
Phanikumar
(2011)
21
55.87
620
R. S. Ashraf et al.