Thermal Response for the Adsorption of Arsenic(III) Removal on Mixed Adsorbents

  • K. K. Srivastava
  • A. P. Singh
  • H. Shekhar
Keywords: Mixed adsorbent; adsorption isotherm; temperature effect; thermodynamic parameter


The study regarding suitability of low cost and easily available materials such as red mud and mixture of red mud with haematite, china clay and fly ash and china clay with fly ash for the removal of As3+ from solution was conducted by adsorption technique in the batch experiment. The adsorption equilibrium data for adsorption of As(III) at different temperatures (30°C, 40°C and 50°C) favoured the applicability of Langmuir model of isotherm and the adsorption capacity of all used adsorbents (except red mud-haematite) during the removal of As(III) which increased with increasing solution temperature.