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Efficiency of Superparamagnetic Nano Iron Oxide loaded Poly (Acrylamide-co-Acrylic acid) Hydrogel in Uptaking Pb2 Ions from Water

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Author Affiliations

  • 1Department of Chemistry, Govt. V.Y.T. PG. Autonomous College, Durg, CG, INDIA

Int. Res. J. Environment Sci., Volume 1, Issue (5), Pages 6-13, December,22 (2012)

Abstract

A novel adsorbent, superparamagnetic nano iron oxide loaded poly (acrylamide-co-acrylic acid) hydrogel (superparamagnetic PAA hydrogel), was employed for the removal of toxic lead ions from aqueous solution. The influence of pH, contact time, metal ion concentration, adsorbent dose and temperature on the sensitivity of the removal process was investigated. The synthesized copolymer was magnetized insitu and the size, structure and coating of magnetic nano particles were characterized by TEM, XRD and FTIR analysis respectively. The sorption data was analyzed and fitted to linearized adsorption isotherm of the Langmuir, Freundlich and Temkin equations respectively. This hydrogel has been found to be an efficient adsorbent for toxic Pb2+ ions removal from water (&

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