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Nanosorbent based on coprecipitation of ZnO in goethite for competitive sorption of Cd(II)-Pb(II) and Cd(II)-Pb(II)-Ni(II) systems

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Abstract

Amongst the various water pollutants, heavy metal ions require special attention because of their toxic nature and effects on humans and the environment. Preserving natural resources will have positive impacts on living conditions by reducing diseases and water treatment by nanotechnology is effective in solving this problem owing to the properties of nanomaterials. In this study, a goethite nanoparticle was prepared by hydrothermal method, while ZnO/goethite nanocomposite by co-precipitation was developed. The nanoparticles were characterized using Scanning Electron Microscopy (SEM), X-ray Diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), Transform Electron Microscopy (TEM), Thermogravimetric Differential Thermal Analysis (TGA-DTA), Dynamic Light Scattering (DLS), and Breunner-Emmet-Teller (BET) surface area analysis. The adsorption of Cd(II)-Pb(II) and Cd(II)-Pb(II)-Ni(II) ions systems on ZnO/goethite nanocomposite was investigated in a batch mode. The findings of the study showed that nanoparticles ZnO/goethite composite were mixed of spherical and rod-like shapes. The BET results revealed average particle sizes of 41.11 nm for nanoparticles for ZnO/goethite while TGA/DTA confirmed the stability of the adsorbents. The optimum adsorption capacities of the nanocomposite for Pb(II), Cd(II), and Ni(II) ions from the Pb-Cd-Ni ternary system were 415.5, 195.3, and 87.13 mg g−1, respectively. The adsorption isotherm data fitted well with the Langmuir isotherm model. The study concluded that the nanoparticle adsorbents are efficient for the remediation of toxic pollutants and are, therefore, recommended for wastewater treatment.

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Acknowledgements

Dr. John Godwin thanks the World Academy of Science (TWAS), and CSIR-Institute of Minerals and Materials Technology (CSIR-IMMT), India, for the Doctoral Fellowship award.

Dr. Jacques R. Njimou thanks the Indian National Science Academy for the ‘INSA–JRD TATA Fellowship No: DO/CCSTDS/113/2019. He is also grateful for the SEM MRI award Number:1827176and Fulbright grant PS00301505 that offered data sharing between the University of Ngaoundere and Indiana University of Pennsylvania.

We thank Prof. S. Basu, the Director of CSIR-IMMT, and Prof. Bankim C. Tripathy for hosting, supervising, and for the opportunity of data sharing between IMMT, University of Ilorin, Nigeria, and the University of Ngaoundere, Cameron.

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Authors and Affiliations

  1. Department of Chemistry, Kogi State College of Education (Technical), P.O.B 242, Kabba, Nigeria

    John Godwin

  2. Department of Chemistry, University of Ilorin, P.M.B. 1515, Ilorin, Nigeria

    John Godwin, Nasalam Abdus-Salam & Haleemat Iyabode Adegoke

  3. Hydro & Electrometallurgy Department, Institute of Minerals and Materials Technology, Bhubaneswar, 751 013, India

    John Godwin, Prasanna Kumar Panda & Bankim Chandra Tripathy

  4. School of Chemical Engineering and Mineral Industries, University of Ngaoundere, P. O Box 454, Ngaoundere, Cameroon

    Jacques Romain Njimou

  5. Madia Department of Chemistry, Biochemistry, Physics, and Engineering, Kopchick College of Natural Science and Mathematics, Indiana University of Pennsylvania, Indiana, PA, 15705, USA

    Jacques Romain Njimou & Sanda Andrada Maicaneanu

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Contributions

John Godwin, Jacques R. Njimou: Conceptualization, Methodology, Investigation, Formal analysis, Visualization, Writing original draft, Review & editing.

Nasalam Abdus-Salam: Conceptualization, Supervision, Investigation, Formal analysis.

Prasanna Kumar Panda: Data curation, Review & editing.

Haleemat Iyabode Adegoke: Formal analysis, Methodology, Data curation.

Bankim C. Tripathy: Investigation, Project administration, Supervision.

Sanda Andrada Maicaneanu: Supervision Methodology, Review & editing.

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Correspondence to Jacques Romain Njimou.

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Godwin, J., Njimou, J.R., Abdus-Salam, N. et al. Nanosorbent based on coprecipitation of ZnO in goethite for competitive sorption of Cd(II)-Pb(II) and Cd(II)-Pb(II)-Ni(II) systems. J Environ Health Sci Engineer (2023). https://doi.org/10.1007/s40201-023-00882-x

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