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Adsorption

Antimony removal from aqueous solutions using magnetic nickel ferrite (NiFe2O4) nanoparticles

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Pages 1141-1158 | Received 02 Apr 2018, Accepted 03 Oct 2018, Published online: 16 Oct 2018
 

ABSTRACT

In this study, magnetic nickel ferrite (NiFe2O4) nanoparticles were synthesized via microwave assisted combustion method and these particles were used as adsorbent for antimony removal. The most effective parameters for the removal efficiency are adsorbent dosage and temperature, while the impact of pH is insignificant. In order to determine the most suitable kinetic model, the compatibility of pseudo-first order, pseudo-second order and the intraparticle diffusion model was compared and the most suitable kinetic model was determined to be pseudo-second-order. Langmuir and Freundlich isotherms were assessed and the most suitable isotherm was observed to be Freundlich model.

Additional information

Funding

Zeynep KARCIOĞLU KARAKAŞ is grateful to the Scientific and Technological Research Council of Turkey (TÜBİTAK) for financial support through the National Scholarship Programme for PhD students.

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