Ultrahigh Water Permeance of Reduced Graphene Oxide Membrane for Radioactive Liquid Waste Treatment

Membrane methods exhibit great potential for application in radioactive liquid waste treatment. In this work, we prepared a reduced graphene oxide using the amino-hydrothermal method (AH-rGO) that exhibited effective rejection rates of 99.9% for CoCl<sub>2</sub>, ZnCl<sub>2</sub...

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Autores principales:	Xinming Xia, Feng Zhou, Risheng Yu, Longsheng Cao, Liang Chen
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	reduced graphene oxide membrane radioactive liquid waste nanofiltration permeance Chemical technology TP1-1185 Chemical engineering TP155-156
Acceso en línea:	https://doaj.org/article/dd58438e17c04b648d553426b13e0c49
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spelling	oai:doaj.org-article:dd58438e17c04b648d553426b13e0c492021-11-25T18:19:30ZUltrahigh Water Permeance of Reduced Graphene Oxide Membrane for Radioactive Liquid Waste Treatment10.3390/membranes111108092077-0375https://doaj.org/article/dd58438e17c04b648d553426b13e0c492021-10-01T00:00:00Zhttps://www.mdpi.com/2077-0375/11/11/809https://doaj.org/toc/2077-0375Membrane methods exhibit great potential for application in radioactive liquid waste treatment. In this work, we prepared a reduced graphene oxide using the amino-hydrothermal method (AH-rGO) that exhibited effective rejection rates of 99.9% for CoCl<sub>2</sub>, ZnCl<sub>2</sub>, NiCl<sub>2</sub>, and radionuclide <sup>60</sup>Co solutions with an ultrahigh water permeance of >71.9 L m<sup>−2</sup> h<sup>−1</sup> bar<sup>−1</sup>. The thickness of the AH-rGO membranes affects the water permeance, as the membrane with a thickness of ≈250 nm has the highest water permeance of up to 125.1 L m<sup>−2</sup> h<sup>−1</sup> bar<sup>−1</sup> with the corresponding rejection rate of 86.8%. Importantly, this is the most permeable membrane with a satisfactory level of the rejection rate for typical radioactive ions of Co<sup>2+</sup>, Zn<sup>2+</sup>, and Ni<sup>2+</sup>. Moreover, the AH-rGO membranes presented excellent stability. These findings demonstrate the potential of reduced graphene oxide (rGO) membranes for radioactive liquid waste treatment.Xinming XiaFeng ZhouRisheng YuLongsheng CaoLiang ChenMDPI AGarticlereduced graphene oxidemembraneradioactive liquid wastenanofiltrationpermeanceChemical technologyTP1-1185Chemical engineeringTP155-156ENMembranes, Vol 11, Iss 809, p 809 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	reduced graphene oxide membrane radioactive liquid waste nanofiltration permeance Chemical technology TP1-1185 Chemical engineering TP155-156
spellingShingle	reduced graphene oxide membrane radioactive liquid waste nanofiltration permeance Chemical technology TP1-1185 Chemical engineering TP155-156 Xinming Xia Feng Zhou Risheng Yu Longsheng Cao Liang Chen Ultrahigh Water Permeance of Reduced Graphene Oxide Membrane for Radioactive Liquid Waste Treatment
description	Membrane methods exhibit great potential for application in radioactive liquid waste treatment. In this work, we prepared a reduced graphene oxide using the amino-hydrothermal method (AH-rGO) that exhibited effective rejection rates of 99.9% for CoCl<sub>2</sub>, ZnCl<sub>2</sub>, NiCl<sub>2</sub>, and radionuclide <sup>60</sup>Co solutions with an ultrahigh water permeance of >71.9 L m<sup>−2</sup> h<sup>−1</sup> bar<sup>−1</sup>. The thickness of the AH-rGO membranes affects the water permeance, as the membrane with a thickness of ≈250 nm has the highest water permeance of up to 125.1 L m<sup>−2</sup> h<sup>−1</sup> bar<sup>−1</sup> with the corresponding rejection rate of 86.8%. Importantly, this is the most permeable membrane with a satisfactory level of the rejection rate for typical radioactive ions of Co<sup>2+</sup>, Zn<sup>2+</sup>, and Ni<sup>2+</sup>. Moreover, the AH-rGO membranes presented excellent stability. These findings demonstrate the potential of reduced graphene oxide (rGO) membranes for radioactive liquid waste treatment.
format	article
author	Xinming Xia Feng Zhou Risheng Yu Longsheng Cao Liang Chen
author_facet	Xinming Xia Feng Zhou Risheng Yu Longsheng Cao Liang Chen
author_sort	Xinming Xia
title	Ultrahigh Water Permeance of Reduced Graphene Oxide Membrane for Radioactive Liquid Waste Treatment
title_short	Ultrahigh Water Permeance of Reduced Graphene Oxide Membrane for Radioactive Liquid Waste Treatment
title_full	Ultrahigh Water Permeance of Reduced Graphene Oxide Membrane for Radioactive Liquid Waste Treatment
title_fullStr	Ultrahigh Water Permeance of Reduced Graphene Oxide Membrane for Radioactive Liquid Waste Treatment
title_full_unstemmed	Ultrahigh Water Permeance of Reduced Graphene Oxide Membrane for Radioactive Liquid Waste Treatment
title_sort	ultrahigh water permeance of reduced graphene oxide membrane for radioactive liquid waste treatment
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/dd58438e17c04b648d553426b13e0c49
work_keys_str_mv	AT xinmingxia ultrahighwaterpermeanceofreducedgrapheneoxidemembraneforradioactiveliquidwastetreatment AT fengzhou ultrahighwaterpermeanceofreducedgrapheneoxidemembraneforradioactiveliquidwastetreatment AT rishengyu ultrahighwaterpermeanceofreducedgrapheneoxidemembraneforradioactiveliquidwastetreatment AT longshengcao ultrahighwaterpermeanceofreducedgrapheneoxidemembraneforradioactiveliquidwastetreatment AT liangchen ultrahighwaterpermeanceofreducedgrapheneoxidemembraneforradioactiveliquidwastetreatment
_version_	1718411350913318912

Ultrahigh Water Permeance of Reduced Graphene Oxide Membrane for Radioactive Liquid Waste Treatment

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