Table 2 Langmuir and Freundlich isotherm constants for Pb(II) ions adsorption.

From: Novel mercerized Haloxylon salicornicum Sahara plants derived adsorbents for efficient removal of lead(II) from wastewater

Model

Parameter

Adsorbent

HS

HSN

Langmuir

qm (mg/g)

112.86

113.76

 

b (L/mg)

0.040

0.201

 

R2

0.987

0.998

 

RL

0.0819

0.016

 

χ2

288.106

139.218

 

SSE

32515.674

15837.510

 

MSE

3612.852

2262.501

Freundlich

Kf ((mg/g)⋅(L/mg)1/n)

8.59

31.87

 

1/n

0.497

0.258

 

R2

0.960

0.800

 

χ2

338.112

139.2

 

SSE

41259.487

15837.5

 

MSE

4584.387

2262.5

Back to article page