Table 5 Isotherm adsorption parameters corresponding to Langmuir, Freundlich, Temkin as well as Sips models.

From: Adsorptive removal of phosphate from water with biochar from acacia tree modified with iron and magnesium oxides

Model

Parameters

R2

SSE

Langmuir

qm

78.1 mg/g

0.937

1170

KL

0.346 L/mg

\(R_{L}\)

0.00945–0.956

Freundlich

n

1.94

0.702

28,600

Kf

8.10

Temkin

b

227 J/mol

0.900

826

Kt

8.02 L/g

Sips

n

1.79

0.681

30,600

Ks

9.88 L/g

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