Research Article

Simultaneous Adsorption of Cr(VI) and Phenol from Binary Mixture Using Iron Incorporated Rice Husk: Insight to Multicomponent Equilibrium Isotherm

Table 2

Parameters of multicomponent isotherms for adsorption of phenol and Cr(VI).

Isotherm modelParameterCr(VI)Phenol

Nonmodified
Langmuir
MPSD85.148357.7399

Modified
Langmuir
−0.6851−1.3429
MPSD67.528999.6646

Extended
Langmuir
36.38176.5689
0.022680.0742
MPSD46.06219.7955

Extended
Freundlich
0.32182−0.0922
−0.033293.4655
0.9131−0.0516
MPSD2.90794.4603

Nonmodified
Redlich Peterson
MPSD119.324827.1295

Modified
Redlich Peterson
8429.732943551.3300
2291.856322539.0503
β0.82820.7866
0.00240.2620
MPSD49.106258.5988