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Title

ADSORPTION OFP -TOLUENESULFONIC ACID ONTO DIETHANOLAMINEFUNCTIONALIZED POLYMERIC RESIN: KINETIC EXPERIMENT

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Abstract

 INTRODUCTION: WASTEWATER CONTAININGP -TOLUENESULFONIC ACID (P-TSA) PRESENTS A SERIOUS DISPOSAL PROBLEM FOR ITS TOXICITY AND BAD BIODEGRADATION AS WELL AS GOOD SOLUBILITY IN WATER [1]. ADSORPTION OF P-TSA ON CONVENTIONAL POLYSTYRENE RESIN (PS) ALSO RESTRICTS BY HYDROPHOBIC SURFACE OF ADSORBENT. TO IMPROVE THIS DRAWBACK, ONE MAY MODIFY PS BY POLAR FUNCTIONAL GROUPS [2]. HERE, THE PS WAS FUNCTIONALIZED BY DIETHANOLAMINE (DEA) IN A SIMPLE MANNER. THE OBJECTIVE OF THIS RESEARCH IS TO EVALUATE THE VARIOUS KINETIC MODELS TO DESCRIBE THE ADSORPTION KINETIC DATA GENERATED FROM P-TSA ADSORPTION ON DEA-MODIFIED PS (DEA-PS), AND ALSO FIND THE ADSORPTION MECHANISM AS WELL AS RATE-LIMITING STEP.

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