SYNTHESIS AND CHARACTERIZATION OF CELLULOSE SULPHANILIC ACID [CSA] RESIN AND ITS APPLICATION IN INDUSTRIAL WASTEWATER TREATMENT

Batch shaking adsorption experiments were carried out to evaluate the performance of synthesized cellulose sulphanilic acid (CSA) resins in the adsorption of heavy metal ions from wastewater of Balaji steel industry, Jodhpur, India. The influences of experimental parameters, viz. solution PH, resin dose, agitation speed and contact time were investigated. Optimum adsorption conditions were found to be PH 6.0, 0.1 g resin dosage, 120 rpm agitation speed and 120 min equilibrium time. The maximum adsorption of Pb+2, Cd+2, Zn+2, Cu+2 and Fe+2 ions on CSA resin was found to be 87.56, 90.96, 93.81, 95.67 and 97.89 % respectively. The adsorption is an exothermic process which runs spontaneously. The adsorption mechanism of CSA resin was explained as an ion-exchange process. However, it was observed that chelating effect is also playing an important role in the adsorption of metal ions into CSA resin