Thermodynamic Studies on Styrene Butadiene Phenolformaldehyde Cation Exchange Resin

A.S. Aboul-Magd* and F.H. Kamal
Department of Chemistry, Faculty of Science, Al-Azhar University Nasr City, Cairo, Egypt  
Abstract

Equilibrium coefficients have been studied for the exchanges of

Cu(II)/H(I), Co(II)/H(I) and Ni(II)/H(I) systems on strongly cation

 

exchanger styrene butadiene phenolformaldehyde(SBPF) in aqueous and

 

aqueous-acetone media. The ionic strength of the solution was 0.1M,

 

and the exchanges was studied as a function of resin compositions. All

 

these coefficients increase with increasing organic solvent in the solution

 

phase. Applying a statistical thermodynamic model, the thermodynamic

 

equilibrium constants have been determined at three temperature range

 

between 25 and 55ºC. The standard free energies ΔGº, enthalpies ΔHº

 

and entropies ΔSº, drived from the data are presented.

Keywords

   View Article PDF File Creative Commons License
This work is licensed under a Creative Commons Attribution 4.0 International License.
 
  • Asian J. Chem. /
  •  1990 /
  •  2(2) /
  •  pp 191-199