Immobilization of Polyoxometalate-Ionic Liquid on Coconut Shell Nanoporous Carbon Support: An improved material for water purification

Authors

  • Thompson Izuagie Department of Chemistry, Sokoto State University, Sokoto-Nigeria
  • Muhammad Sirajo Department of Chemistry, Sokoto State University, Sokoto-Nigeria
  • Thompson Izuagie Department of Chemistry, Sokoto State University, Sokoto-Nigeria
  • Manir G. Abubakar Department of Chemistry, Sokoto State University, Sokoto-Nigeria
  • Thompson Izuagie Department of Chemistry, Sokoto State University, Sokoto-Nigeria

DOI:

https://doi.org/10.4314/cajost.v4i2.88

Keywords:

Polyoxometalates, Ionic Liquid, Coconut shell, Nanoporous carbon, Contaminated Water.

Abstract

Access to clean water by all is one of the UN Sustainable Development Goals.
To achieve this, there is need to prepare sustainable materials for efficient water
purification. This research aims to immobilize the Polyoxomatelate-Ionic Liquid
(POM-IL), {[CH3(CH2)6]4N}7[α-PW11O39] on nanoporous carbon (NC) prepared
from coconut shell to form an advanced material (POM-IL@NC) for effective
removal of multiple contaminants from polluted water. The POM-IL@NC
material was characterized by Fourier Transform-Infrared (FTIR) spectroscopy,
Scanning Electron Microscopy (SEM), X-ray Diffraction (XRD) Analysis and
Brunauer-Emmett-Teller (BET) method. The material was then tested
respectively for the removal of copper and lead using Atomic Absorption
Spectroscopy (AAS) and methylene blue using Ultraviolet-Visible (UV-Vis)
Spectroscopy from simulated polluted waters via adsorption. The material was
further subjected to antimicrobial analysis. The results showed that the POMIL@NC material performed better than the pristine NC in the removal of copper,
lead and methylene blue from the contaminated water. The POM-IL@NC also
exhibited significant improvement in antimicrobial activity than NC against
Escherichia coli and Staphylococcus aureus. This shows that the new material
could effectively be applied for multiple contaminants treatment of polluted
water.

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Published

08/18/2022

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How to Cite

Immobilization of Polyoxometalate-Ionic Liquid on Coconut Shell Nanoporous Carbon Support: An improved material for water purification. (2022). CaJoST, 4(2), 213-220. https://doi.org/10.4314/cajost.v4i2.88

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