Advances in Environmental Chemistry

Research Article

Defluoridation with Locally Produced Thai Bone Char

Table 2

Freundlich and Langmuir sorption isotherms parameters for different size ranges of the Thai BC using synthetic solution (3.9 mg/L).
Range of BC size (mm)Freundlich isothermLangmuir isotherm
2.38–4.740.0530.7280.9010.2790.2410.973
1.19–2.370.0590.7920.9400.5970.1090.946
0.841–1.180.0500.6100.9340.2140.3090.984
<0.8410.1360.6330.7810.2431.2060.928