Sorption of 60Co(II) from aqueous solutions onto biosynthesized zinc oxide nanocomposites-Reference-Cited by-同舟云学术

Sorption of 60Co(II) from aqueous solutions onto biosynthesized zinc oxide nanocomposites

Published:2022-04-20 Issue:5 Volume:331 Page:2331-2347
ISSN:0236-5731
Container-title:Journal of Radioanalytical and Nuclear Chemistry
language:en
Short-container-title:J Radioanal Nucl Chem

Author:

Mekawy Zakaria A.,Moussa Saber I.,Mousa Abeer M.,Dakroury Gehan A.^ORCID,Allan Karam F.

Abstract

AbstractNano ZnO is biosynthesized using Lactobcillus sp. Poly Acrylic acid-co-Acrylonitrile/ZnO, PAACAN/ZnO, and poly Acrylic acid-co-Maleic acid/ZnO, PAACMA/ZnO, nancomposites were synthesized using 60Co γ-rays. PAACAN/ZnO and PAACMA/ZnO nanocomposites were characterized and used as sorbents for 60Co(II) radionuclide. The monolayer adsorption capacities of 60Co(II) onto PAACMA/ZnO and PAACAN/ZnO are 18.235, 7.105 mgg−1, respectively at pH 4.5 and 20 °C. The sorption reaction has a pseudo 2nd order mechanism. 0.1 M EDTA could be used as an eluent for desorption. The desorption efficiencies of 60Co(II) from PAACAN/ZnO and PAACMA/ZnO were 67.51 and 84.85%, respectively. The sorption process is endothermic and spontaneous.

Funder

Egyptian Atomic Energy Authority

Publisher

Springer Science and Business Media LLC

Subject

Health, Toxicology and Mutagenesis,Public Health, Environmental and Occupational Health,Spectroscopy,Pollution,Radiology, Nuclear Medicine and imaging,Nuclear Energy and Engineering,Analytical Chemistry

Link

https://link.springer.com/content/pdf/10.1007/s10967-022-08292-3.pdf

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