Removal of Congo Red and Methylene Blue from Aqueous Solutions by Vermicompost-Derived Biochars
Fig 3
Adsorption isotherms for the retention of dyes on biochars.
(a) Langmuir adsorption isotherm for adsorption of CR on biochars; (b) Freundlich adsorption isotherm for adsorption of CR on biochars; (c) Temkin adsorption isotherm for adsorption of CR on biochars; (d) Langmuir adsorption isotherm for adsorption of MB on biochars; (e) Freundlich adsorption isotherm for adsorption of MB on biochars; (f) Temkin adsorption isotherm for adsorption of MB on biochars.