Table 2 Equilibrium adsorption parameters for phenol removal by MSAC and pristine AC.

From: Toward a mechanistic understanding of adsorption behavior of phenol onto a novel activated carbon composite

Model

MSAC

Pristine AC

Temperature (K)

Temperature (K)

298

313

328

343

358

298

313

328

343

358

Langmuir

qm (mg/g)

145.71

135.62

131.09

120.94

120.31

116.604

117.274

118.547

111.827

111.973

KL (L/mg)

0.0128

0.0103

0.0076

0.0062

0.0042

0.0062

0.0049

0.0039

0.0034

0.0026

R2

0.9986

0.9994

0.9986

0.9994

0.9989

0.9984

0.9989

0.9994

0.9997

0.9999

R2adj

0.9982

0.9992

0.9981

0.9992

0.9986

0.9979

0.9986

0.9992

0.9996

0.9999

MSE (mg/g)2

0.941

0.329

0.667

0.223

0.331

0.529

0.336

0.165

0.076

0.019

Freundlich

KF ((mg/g)(mg/L)−1/n)

12.713

9.627

6.587

4.811

2.693

4.688

3.395

2.495

1.919

1.249

1/n (dimensionless)

2.554

2.399

2.168

2.045

1.783

2.056

1.894

1.763

1.694

1.561

R2

0.9786

0.9796

0.9829

0.9827

0.9873

0.9911

0.9925

0.9929

0.9923

0.9938

R2adj

0.9715

0.9729

0.9773

0.9769

0.9831

0.9882

0.9901

0.9905

0.9897

0.9917

MSE (mg/g)2

14.778

11.283

8.054

6.445

3.945

2.995

2.331

2.065

1.851

1.262

Tempkin

KT (L/mg)

76.173

79.876

81.173

87.464

90.389

92.349

92.928

93.986

101.142

107.134

bT (J/mol)

0.12

0.091

0.066

0.053

0.038

0.055

0.045

0.038

0.033

0.028

R2

0.999

0.9998

0.9997

0.9999

0.9985

0.9969

0.9951

0.9936

0.9935

0.9913

R2adj

0.9987

0.9998

0.9996

0.9999

0.9979

0.9959

0.9934

0.9915

0.9913

0.9884

MSE (mg/g)2

0.673

0.094

0.148

0.024

0.475

1.019

1.537

1.848

1.557

1.753

Back to article page