Table 6 Isotherm parameters for adsorption of Mo (VI) at different temperatures.

Langmuir

\(q_{m} \left( {mg.g^{ - 1} } \right) \)

37.74

37.13

31.84

\(K_{L} \left( {L.mg^{ - 1} } \right)\)

0.128

0.146

2.68

\(R_{L}\)

0.348 − 0.068

0.318 − 0.06

0.025 − 0.003

\(R^{2}\)

0.996

0.975

0.820

Freundlich

\(K_{F} \left( {mg.g^{ - 1} } \right)\left( {L.mg^{ - 1} } \right)^{\frac{1}{n}} \)

7.36

7.51

8.34

1/n

0.3707

0.3732

0.3075

\(R^{2}\)

0.946

0.886

0.615

D-R

\(q_{m} \left( {mmol.g^{ - 1} } \right)\)

32.14

33.12

29.25

\(\beta \left( {mol^{2} .KJ^{ - 2} } \right)\)

2.45

2.22

1.81

\(E_{DR} \left( {KJ.mol^{ - 1} } \right) \)

0.45

0.47

0.53

\(R^{2}\)

0.9877

0.9953

0.9565