The global leather industry is increasing attention for treating liquid effluents and providing adequate endpoints for the sludge and residues generated in the processes. Conventional tanning necessitates use and discharge of about 8–10% of common salt on the weight of hides and skins, resulting in high salinity of tannery effluents apart from large quantities of unfixed chromium Considering the level of Cr in the wastewater, the development of appropriate techniques to recover and recycle the residual Cr is relevant