Table 5 Adsorption isotherms parameters calculated for Rhodamine B adsorption.

From: Biosynthesis of calcium oxide nanoparticles by employing Mulberry (Morus nigra) leaf extract as an efficient source for Rhodamine B remediation

Isothermal models

Rhodamine-B dye

Freundlich

CaO NPs

KF

0.908510603

1/n

0.86821

R2

0.92757

Langmuir

CaO NPs

RL

0.7710718

qmax

57.53739931

KL

0.014844804

R2

0.989

Dubinin–Radushkevich

CaO NPs

qmDR (mg/g)

0.00082655

KDR (mol2/kj2)

5.80E-09

R2

0.93997

E (kJ/mol)

9.28E + 03

Temkin

CaO NPs

KT

3.739320087

R2

0.9602

BT (J/mol)

0.624609619

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