The effective adsorption of tetracycline onto zirconia nanoparticles synthesized by novel microbial green technology

Journal of Environmental Management
Banhishikha DebnathDijendra Nath Roy

Abstract

Pseudomonas aeruginosa bacteria have been used in this study for zirconia nanoparticles synthesis through green technology for adsorption driven bioremediation of tetracycline from wastewater. The characterization of synthesized nano zirconia has been performed by employing dynamic light scattering, field emission-transmission electron microscopy, energy dispersive X-ray, X-ray diffraction, fourier transform infrared spectroscopy, and point of zero charge analysis. The zirconia nanoparticles have shown average particle size ~15 nm, monoclinic and tetragonal crystal structure with 6.41 nm of crystallite size, the presence of elemental zirconium and oxygen, and the occurrence of functional groups like O-Zr-OH, Zr-O-Zr and Zr-O bonds. The zirconia nanoparticles mediated adsorption of tetracycline has been found to be effective at solution pH 6.0 and in a very less contact time 15 min. Strong electrostatic interaction between zwitterionic form of tetracycline and protonated surface of zirconia nanoparticles is the governing adsorption mechanism in this study. The kinetic study has been performed on the basis of the tetracycline adsorption process revealing that the adsorption phenomenon follows pseudo-second order kinetic, further ...Continue Reading

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Citations

Jul 1, 2020·Environmental Science and Pollution Research International·Elnaz AzamateslamtalabReza Mohammadi
Aug 29, 2020·Water Science and Technology : a Journal of the International Association on Water Pollution Research·Siyao TianWanting Zhu
Nov 24, 2020·Frontiers in Microbiology· Mandeep, Pratyoosh Shukla

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