Ci :
|
Initial concentration of Auramine ‘O’ dye
|
Cf:
|
Final concentration of Auramine ‘O’ dye
|
m:
|
Mass of adsorbent
|
V:
|
Volume of the Auramine ‘O’ solution
|
qe:
|
Amount of Auramine ‘O’ adsorbed per unit mass of the adsorbent
|
q:
|
The amount of Auramine ‘O’ is adsorbed at time t
|
% R:
|
Percentage removal of Auramine ‘O’
|
Q0:
|
Maximum adsorption capacity (Langmuir parameter)
|
K1:
|
Rate constant of pseudo-first-order kinetics
|
K2:
|
Rate constant of pseudo-second-order kinetics
|
RL:
|
Free energy of adsorption (Langmuir parameter)
|
b:
|
Langmuir isotherm constant
|
KT:
|
Equilibrium binding constant
|
KF:
|
Freundlich adsorption coefficient
|
B1:
|
Constant related to the heat of sorption.
|
B:
|
Constant of the D-R isotherm
|
FTIR:
|
Fourier transform infrared spectroscopy
|
PPM:
|
Parts per million
|
ANOVA
|
Analysis of Variance
|
DCSC
ABC
|
De-oiled cotton seed cake
Activated de-oiled cotton seed cake biochar
|