Journal of Polymers and the Environment

, Volume 27, Issue 1, pp 106–117 | Cite as

Synthesis, Characterization and Experimental Studies of Nano Zn–Al–Fe3O4 Blended Alginate/Ca Beads for the Adsorption of Rhodamin B

  • M. KumarEmail author
  • G. Vijayakumar
  • R. Tamilarasan
Original Paper


In the present study, adsorptive removal of rhodamin-B (RMN-B) from aqueous solution was investigated by using nano Zn–Al–Fe3O4 incorporated sodium alginate (SA) beads. SA is a natural polysaccharide, non toxic and biodegradable material. The incorporation of Zn–Al–Fe3O4 into SA was done by ionic polymerization method using CaCl2. A batch mode study was used for the adsorption of RMN-B onto Zn–Al–Fe3O4/ alginate beads. The adsorption efficiency of RMN-B was investigated by the following modeling equations like Freundlich, Langmuir, Pseudo-first order, Pseudo-second order, Intraparticle diffusion, Gibbs free energy, Enthalpy and Entropy. The predicted experimental results of various modeling equations were implied that the process follow Langmuir and pseudo-second order equations. The intraparticle diffusion parameters indicate that the diffusion between RMN-B and nano beads were predominant in throughout of process. The surface morphology of nano beads of before and after adsorption were show that RMN-B is strongly adhered on whole surface of the nano material. The FTIR spectrum indicates that the RMN-B strongly adsorbed on the surface and TGA study reveals that the alginate/Zn–Al–Fe3O4/Ca material has an excellent temperature withstand capacity.


Alginate Nano Zn–Al–Fe3O4 Calcium, nano beads RMN-B and adsorption 


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Authors and Affiliations

  1. 1.Research and Development, Department of ChemistryDhanalakshmi College of EngineeringChennaiIndia
  2. 2.Department of ChemistryArignar Anna Government Arts CollegeTiruchirappalliIndia
  3. 3.Department of ChemistryAnna University, University College of Engineering PattukottaiThanjavurIndia

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