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AuthorWenjie, O.
AuthorAhmed, Waqas
AuthorXiuxian, Fu
AuthorLu, Wang
AuthorJiannan, Li
AuthorJie, Yang
AuthorAsghar, Rana Muhammad Ammar
AuthorMahmood, Mohsin
AuthorAlatalo, Juha M.
AuthorImtiaz, Muhammad
AuthorLi, Weidong
AuthorMehmood, Sajid
Available date2023-01-02T05:52:24Z
Publication Date2022-01-01
Publication NameBioinorganic Chemistry and Applications
Identifierhttp://dx.doi.org/10.1155/2022/6209013
ISSN15653633
URIhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85141243381&origin=inward
URIhttp://hdl.handle.net/10576/37885
AbstractAqueous solutions containing toxic elements (TEs) (such as hexavalent chromium (Cr (VI)) can be toxic to humans even at trace levels. Thus, removing TEs from the aqueous environment is essential for the protection of biodiversity, hydrosphere ecosystems, and humans. For plant fabrication of zinc oxide nanoparticles (PF-ZnONPs), Azolla pinnata plants were used, and X-ray diffraction (XRD), energy dispersive spectroscopy (EDS), SEM, and FTIR techniques were used for the identification of PF-ZnONPs and ZnONPs, which were used to remove Cr (VI) from aqueous solution. A number of adsorption parameters were studied, including pH, dose, concentration of metal ions, and contact time. The removal efficiency of PF-ZnONPs for Cr (VI) has been found to be 96% at a time (60 min), 69.02% at pH 4, and 70.43% at a dose (10 mg·L-1). It was found that the pseudo-second-order model best described the adsorption of Cr (VI) onto PF-ZnONPs, indicating a fast initial adsorption via diffusion. The experimental data were also highly consistent with the Langmuir isotherm model calculations.
Languageen
Subjecttoxic elements
hexavalent chromium
zinc oxide nanoparticles
X-ray diffraction
energy dispersive spectroscopy
TitleThe Adsorption Potential of Cr from Water by ZnO Nanoparticles Synthesized by Azolla pinnata
TypeArticle
Volume Number2022
dc.accessType Open Access


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