Adsorbent

Kf

n

R2

Clay

0.24

0.82

0.954

Clay-BTMA

1.06

0.67

0.98

Clay-PTMA

11.72

0.51

0.957

Clay-BTEA

4.59

0.86

0.986

Clay-BTBA

5.81

0.83

0.994