International Journal of Chemical Engineering / 2019 / Article / Tab 3

Research Article

Assessment of the Use of Epicarp and Mesocarp of Green Coconut for Removal of Fluoride Ions in Aqueous Solution

Table 3

The Langmuir and Freundlich models constants.

ModelEpicarpMesocarp

Langmuir model25°C35°C45°C25°C35°C45°C
(mg·g−1)1.69092.22651.81761.80211.78023.2253
(L·mg−1)1.13381.04481.85372.09681.14651.1874
0.96890.99040.96480.96520.95940.9863
−43.0679−49.5204−37.8549−37.5464−35.8396−42.9539
Freundlich model
()0.14390.19780.62900.56870.85361.7757
1.24901.20531.45151.38221.42301.1868
0.95950.98560.95210.95440.94680.9816
−41.2255−46.6851−35.7090−35.6467−33.9463−40.8807

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