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 ModelParametersTemperature(°C)
305070

Langmuir 𝑞 𝑚 , Maximum monolayer adsorption capacities (mg/g)24.3927.0228.57
𝑅 𝐿 , separation factor0.1180.0970.094
𝐾 𝐿 , Langmuir constant0.0750.0770.096
𝑅 2 , correlation coefficient0.9650.9490.962

Freundlich 𝐾 𝐹 , affinity factor (mg/gm (L/mg)1/n)4.0674.1454.898
1 / 𝑛 , Freundlich exponent0.4190.4530.445
𝑅 2 , correlation coefficient0.9180.9370.951

Temkin 𝐾 𝑇 , binding constant (L/mg)1.0560.63511.675
𝐵 , Temkin constant4.8016.3934.328
𝑅 2 , correlation coefficient0.9370.9350.972