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Preparation of Ag Nanoclusters-Modified Non-Sintered Silica Ceramic-Like Nanosheet for Removing Dyes and Bacteria from Water

Authors Ren X, Lv X, Chen Z, Zhang P, Hu Snr X, Mei X

Received 20 October 2020

Accepted for publication 15 January 2021

Published 9 February 2021 Volume 2021:16 Pages 895—904

DOI https://doi.org/10.2147/IJN.S286406

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 3

Editor who approved publication: Dr Yan Shen


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Xiuli Ren,1 Xinyan Lv,1 Zhenhua Chen,1 Peng Zhang,1 Xun Hu Snr,2 Xifan Mei1

1Jinzhou Medical University, Jinzhou, 121001, Liaoning, People’s Republic of China; 2University of Jinan, Jinan, 250022, Shandong, People’s Republic of China

Correspondence: Zhenhua Chen; Xifan Mei Email zhchen561@yahoo.com; meixifan1971@163.com

Purpose: Worldwide water contamination treatment and water security are essential for all living organisms. Among various water contaminants, dye, and bacteria pollution needs to be solved urgently.
Methods and Results: In this work, a ceramic sheet from monodisperse, porous silica nanospheres (SiO2 NSs) with an average diameter of 220 was prepared. The prepared SiO2 ceramic sheets were investigated as a “filtration” material in removing dyes (alcian blue, AB; and methylene blue, MB) and bacteria (E. coli and S. aureus). The obtained sheets had efficient adsorption efficiency of 98.72% (for AB) and 97.35% (for MB), and a high adsorption capacity for AB is 220 (mg/g), for MB is 176 (mg/g). Furthermore, these SiO2 ceramic sheets had a high recycling capability for removing dyes by calcination. Being modified by Ag nanoclusters, the ceramic sheets present a strong bactericidal function.
Conclusion: Our results demonstrated that the obtained SiO2 non-sintered ceramic sheets is rapid and efficient in the filtration of dyes and bacteria from polluted water.

Keywords: SiO2 nanospheres, ceramic sheet, Ag nanoclusters, water treatment

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