Table 1

Isotherm model constants of three isotherm models for arsenic adsorption onto ceria NPs

Model

Parameters

Temperature (K)

283

303

323


Langmuir model

qmax (mg g-1)

17.08

18.02

18.15

KL (L mg-1)

0.063

0.066

0.24

R

0.9695

0.9704

0.9815

Freundlich model

Kf (mg g-1) (L mg-1)1/n

1.32

1.40

2.32

n

1.54

1.52

1.77

R

0.9957

0.9948

0.9966


qmax, adsorption capacity; KL, adsorption constant; Kf and n, Freundlich constants; R, correlation coeeficient.

Feng et al. Nanoscale Research Letters 2012 7:84   doi:10.1186/1556-276X-7-84

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