Synthesis and characterization of Ni-doped CaTiO3 nano-powders and their potential for the removal of Cd from wastewaters

Document Type : Research Article

Author

Advance Materials Research Center, Department of Materials Engineering, Najafabad Branch, Islamic Azad University, Najafabad, Iran

Abstract

A simple method was applied to construct Ni-doped CaTiO3 nano-powders from commercial CaCO3 and TiO2, characterized by XRD, FE-SEM, and FT-IR. The sample was composed of small grains with an average size of 78 nm. This method could be a useful, inexpensive, and efficient tool for the preparation of Ni-doped CaTiO3 nano-powders. The prepared sample was used for the removal of Cd2+ from water media. Results indicated that Cd2+ removal by Ni-doped CaTiO3 nano-powders was very efficient (100% removal yield) when the pH was adjusted to 4.5, the catalyst dosage amounted to 0.05 g, and the Cd2+ solution concentration was 60 mg.L-1. A pseudo-second-order kinetic model described the kinetics of Cd2+ removal.

Graphical Abstract

Synthesis and characterization of Ni-doped CaTiO3 nano-powders and their potential for the removal of Cd from wastewaters

Highlights

  • A simple method was applied for the construction of Ni-doped CaTiO3 nano-powders from commercial CaCO3 and TiO2.
  • The as-prepared sample was characterized by XRD, FE-SEM, and FT-IR techniques.
  • The sample composed of small grains with an average size of 78 nm.
  • The method could be a useful, inexpensive and efficient tool for the preparation of  Ni-doped CaTiO3 nano-powders.
  • The Ni-doped CaTiO3 nano-powder was most efficient for the removal of Cd2+ from water media. 

Keywords

Main Subjects

References

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Journal of Particle Science and Technology
Volume 8, Issue 1
May 2022
Pages 9-16

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History

  • Receive Date: 08 June 2022
  • Revise Date: 11 October 2022
  • Accept Date: 15 October 2022

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