Influence of pH and adsorbate structure on adsorption of benzene derivatives on activated carbon

摘要

Adsorption of benzene derivatives of various chemical properties from dilute aqueous solutions on one experimental activated carbon is investigated. The experimental isotherms were measured over a wide range of concentrations and solution pH, and for the constant value of ionic strength. The experimental systems were analyzed in terms of adsorption theory on energetically heterogeneous solids. The optimization isotherm parameters, i.e. equilibrium constants and dispersions of adsorption energies, were analyzed in terms of solute properties, e.g. number and character of functional groups.