System
Experimental result
Pseudo-second order model
Pseudo-first order model
NR /Incinerated paper sludge suspension
Q
exp
(mg/g)
Q
max
(mg/g)
K
2
(g/mg,mn)
R
2
(%)
Q
e
(mg/g)
K
1
(min
-1
)
R
2
(%)
401. 936
384.615
0.0169
0.999
67.050
0.0700
0.899
R
2
: Regression coefficient
Table 3:
Kinetic parameters of NR dye adsorbed onto incinerated paper sludge for [NR] =50mg/L, [Incinerated sludge] =1g/L, pH =5, T=298K and contact time =80min.
