Initial

Conc. (mg/L)

qe,exp

(mg/g)

Pseudo-first order

Pseudo-second order

qe,cal

(mg/g)

k1

(min−1)

R2

qe,cal

(mg/g)

k2

(g・mg−1・min−1)

R2

58a

17.73

0.097

0.002

0.0427

17.67

0.3027

0.9999

58b

13.54

0.124

0.008

0.7734

13.49

0.4210

0.9999

58c

10.85

0.163

0.016

0.7404

10.82

0.6668

0.9999

165a

53.88

1.16

0.031

0.8454

54.35

0.0385

1.0000

165b

35.87

0.434

0.014

0.5338

35.97

0.1137

1.0000

165c

28.82

0.113

0.008

0.6067

28.82

0.5016

1.0000

284a

92.07

17.29

0.040

0.9437

92.94

0.0070

0.9999

284b

69.32

2.354

0.027

0.8829

69.64

0.0277

1.0000

284c

55.58

0.719

0.013

0.5887

55.56

0.0562

0.9999

385a

127.17

65.90

0.045

0.9818

130.72

0.0021

0.9993

385b

98.08

25.55

0.047

0.9656

99.90

0.0049

0.9997

385c

78.64

4.61

0.032

0.8775

79.18

0.0137

0.9999