A new model for heavy metal removal in a biosorption column

Column kinetics for metal removal could be described more adequately by a m odified dose-response model than by the Thomas model or Bohart-Adams model conventionally used. The new empirical model can be used either in a linear ized form or a non-linearized form. Use of the model minimizes the error re sulting from use of the Thomas model, especially at lower or higher time pe riods of the breakthrough curve.