Highly efficient removal of Sb(V) from water by franklinite-containing nano-FeZn composites

Abstract The existence of toxic and carcinogenic pentavalent antimony in water is a great safety problem. In order to remove antimony(V) from water, the purpose of this study was to prepare a novel graphene nano iron zinc (rGO/NZV-FeZn) photocatalyst via hydrothermal method followed by ultrasonicati...

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Autores principales:	Huiqing Wu, Qingping Wu, Jumei Zhang, Qihui Gu, Weipeng Guo, Shun Rong, Yongxiong Zhang, Xianhu Wei, Lei Wei, Ming Sun, Aimei Li, Xinhui Jing
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/a65548a7cae14ba8867d42da6530b697
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spelling	oai:doaj.org-article:a65548a7cae14ba8867d42da6530b6972021-12-02T16:35:11ZHighly efficient removal of Sb(V) from water by franklinite-containing nano-FeZn composites10.1038/s41598-021-95520-72045-2322https://doaj.org/article/a65548a7cae14ba8867d42da6530b6972021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-95520-7https://doaj.org/toc/2045-2322Abstract The existence of toxic and carcinogenic pentavalent antimony in water is a great safety problem. In order to remove antimony(V) from water, the purpose of this study was to prepare a novel graphene nano iron zinc (rGO/NZV-FeZn) photocatalyst via hydrothermal method followed by ultrasonication. Herein, weakly magnetic nano-Fe–Zn materials (NZV-FeZn, GACSP/NZV-FeZn, and rGO/NZV-FeZn) capable of rapid and efficient Sb(V) adsorption from water were prepared and characterised. In particular, rGO/NZV-FeZn was shown to comprise franklinite, Fe0, and graphite. Adsorption data were fitted by a quasi-second-order kinetic equation and Langmuir model, revealing that among these materials, NZV-FeZn exhibited the best Sb removal performance (543.9 mgSb gNZV-FeZn −1, R 2 = 0.951). In a practical decontamination test, Sb removal efficiency of 99.38% was obtained for a reaction column filled with 3.5 g of rGO/NZV-FeZn. Column regenerability was tested at an initial concentration of 0.8111 mgSb L−1, and the treated water obtained after five consecutive runs complied with the GB5749-2006 requirement for Sb. rGO/NZV-FeZn was suggested to remove Sb(V) through adsorption-photocatalytic reduction and flocculation sedimentation mechanisms and, in view of its high cost performance, stability, and upscalable synthesis, was concluded to hold great promise for source water and wastewater treatment.Huiqing WuQingping WuJumei ZhangQihui GuWeipeng GuoShun RongYongxiong ZhangXianhu WeiLei WeiMing SunAimei LiXinhui JingNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-17 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Huiqing Wu Qingping Wu Jumei Zhang Qihui Gu Weipeng Guo Shun Rong Yongxiong Zhang Xianhu Wei Lei Wei Ming Sun Aimei Li Xinhui Jing Highly efficient removal of Sb(V) from water by franklinite-containing nano-FeZn composites
description	Abstract The existence of toxic and carcinogenic pentavalent antimony in water is a great safety problem. In order to remove antimony(V) from water, the purpose of this study was to prepare a novel graphene nano iron zinc (rGO/NZV-FeZn) photocatalyst via hydrothermal method followed by ultrasonication. Herein, weakly magnetic nano-Fe–Zn materials (NZV-FeZn, GACSP/NZV-FeZn, and rGO/NZV-FeZn) capable of rapid and efficient Sb(V) adsorption from water were prepared and characterised. In particular, rGO/NZV-FeZn was shown to comprise franklinite, Fe0, and graphite. Adsorption data were fitted by a quasi-second-order kinetic equation and Langmuir model, revealing that among these materials, NZV-FeZn exhibited the best Sb removal performance (543.9 mgSb gNZV-FeZn −1, R 2 = 0.951). In a practical decontamination test, Sb removal efficiency of 99.38% was obtained for a reaction column filled with 3.5 g of rGO/NZV-FeZn. Column regenerability was tested at an initial concentration of 0.8111 mgSb L−1, and the treated water obtained after five consecutive runs complied with the GB5749-2006 requirement for Sb. rGO/NZV-FeZn was suggested to remove Sb(V) through adsorption-photocatalytic reduction and flocculation sedimentation mechanisms and, in view of its high cost performance, stability, and upscalable synthesis, was concluded to hold great promise for source water and wastewater treatment.
format	article
author	Huiqing Wu Qingping Wu Jumei Zhang Qihui Gu Weipeng Guo Shun Rong Yongxiong Zhang Xianhu Wei Lei Wei Ming Sun Aimei Li Xinhui Jing
author_facet	Huiqing Wu Qingping Wu Jumei Zhang Qihui Gu Weipeng Guo Shun Rong Yongxiong Zhang Xianhu Wei Lei Wei Ming Sun Aimei Li Xinhui Jing
author_sort	Huiqing Wu
title	Highly efficient removal of Sb(V) from water by franklinite-containing nano-FeZn composites
title_short	Highly efficient removal of Sb(V) from water by franklinite-containing nano-FeZn composites
title_full	Highly efficient removal of Sb(V) from water by franklinite-containing nano-FeZn composites
title_fullStr	Highly efficient removal of Sb(V) from water by franklinite-containing nano-FeZn composites
title_full_unstemmed	Highly efficient removal of Sb(V) from water by franklinite-containing nano-FeZn composites
title_sort	highly efficient removal of sb(v) from water by franklinite-containing nano-fezn composites
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/a65548a7cae14ba8867d42da6530b697
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Highly efficient removal of Sb(V) from water by franklinite-containing nano-FeZn composites

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