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Table 2 Kinetic and isotherm parameters for the biosorption of Reactive black 5 onto magnesium oxide biosynthesized using exometabolites of Aspergillus japonicus

From: Endophytic Aspergillus japonicus mediated biosynthesises of magnesium oxide nanoparticles: sustainable dye removal and in silico molecular docking evaluation of their enhanced antibacterial activity

(a) Kinetic model

Parameters

Values

Pseudo first order

qe (calc.) (mg/g)

62.85

K1 (min−1)

0.0003

R2

0.8031

Pseudo second order

qe (calc.)

200.81

K2 (g/mg/min)

0.004

R2

0.9842

(b) Isotherm model

  

Langmuir

qmax (mg/g)

204.08

KL (L/mg)

0.0861

RL

8 × 104

R2

0.9422

Freundlich

n

1.9

KF (mg/g)

23.36

R2

0.8134