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Journal of Chemistry
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Journal of Chemistry
/
2013
/
Article
/
Tab 2
/
Research Article
Breakthrough Curve Analysis for Column Dynamics Sorption of Mn(II) Ions from Wastewater by Using
Mangostana garcinia
Peel-Based Granular-Activated Carbon
Table 2
Isotherm model parameters at different temperature.
Isotherm Model
Parameters
Temperature(°C)
30
50
70
Langmuir
𝑞
𝑚
, Maximum monolayer adsorption capacities (mg/g)
24.39
27.02
28.57
𝑅
𝐿
, separation factor
0.118
0.097
0.094
𝐾
𝐿
, Langmuir constant
0.075
0.077
0.096
𝑅
2
, correlation coefficient
0.965
0.949
0.962
Freundlich
𝐾
𝐹
, affinity factor (mg/gm (L/mg)
1/n
)
4.067
4.145
4.898
1
/
𝑛
, Freundlich exponent
0.419
0.453
0.445
𝑅
2
, correlation coefficient
0.918
0.937
0.951
Temkin
𝐾
𝑇
, binding constant (L/mg)
1.056
0.6351
1.675
𝐵
, Temkin constant
4.801
6.393
4.328
𝑅
2
, correlation coefficient
0.937
0.935
0.972