Study on the adsorption properties of methyl orange by natural one-dimensional nano-mineral materials with different structures

Abstract Methyl orange (MO) is a common anionic azo dye that is harmful to the environment and biology, so it must be treated innocuously before it can be discharged. Adsorption is an effective method to remove anionic dyes. Nanotube mineral is a natural one-dimensional adsorption material, and its...

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Autores principales:	Lijuan Wu, Xuewen Liu, Guocheng Lv, Runliang Zhu, Lintao Tian, Meng Liu, Yuxin Li, Wenxiu Rao, Tianming Liu, Libing Liao
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/9261d1d7ab44479aa75d35e50cadea4d
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spelling	oai:doaj.org-article:9261d1d7ab44479aa75d35e50cadea4d2021-12-02T14:58:45ZStudy on the adsorption properties of methyl orange by natural one-dimensional nano-mineral materials with different structures10.1038/s41598-021-90235-12045-2322https://doaj.org/article/9261d1d7ab44479aa75d35e50cadea4d2021-05-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-90235-1https://doaj.org/toc/2045-2322Abstract Methyl orange (MO) is a common anionic azo dye that is harmful to the environment and biology, so it must be treated innocuously before it can be discharged. Adsorption is an effective method to remove anionic dyes. Nanotube mineral is a natural one-dimensional adsorption material, and its unique morphology and structure endow it with good adsorption capacity. Although there are many related studies, there is a lack of in-depth discussions on the influence of nanotube’s composition and structure on the adsorption of dyes and other pollutants. In this paper, two kinds of natural one-dimensional silicate minerals [halloysite nanotubes (HNTs) and chrysotile nanotubes (ChNTs)] with similar morphology but slightly different compositions and crystal structures were used as adsorbents, and MO solution was used as simulate pollutants. It is the first time to discuss in depth the influence of the composition and structure of nanotube minerals on their charge properties and the adsorption performance of methyl orange dyes. It is found that HNTs and ChNTs have different adsorption capacity due to the difference of electronegativity between Al3+ and Mg2+ in the crystal, so they possess negative and positive charges respectively in near-neutral solution, which leads to the adsorption capacity of MO by ChNTs with positive charges which is greater than that of HNTs.Lijuan WuXuewen LiuGuocheng LvRunliang ZhuLintao TianMeng LiuYuxin LiWenxiu RaoTianming LiuLibing LiaoNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-11 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Lijuan Wu Xuewen Liu Guocheng Lv Runliang Zhu Lintao Tian Meng Liu Yuxin Li Wenxiu Rao Tianming Liu Libing Liao Study on the adsorption properties of methyl orange by natural one-dimensional nano-mineral materials with different structures
description	Abstract Methyl orange (MO) is a common anionic azo dye that is harmful to the environment and biology, so it must be treated innocuously before it can be discharged. Adsorption is an effective method to remove anionic dyes. Nanotube mineral is a natural one-dimensional adsorption material, and its unique morphology and structure endow it with good adsorption capacity. Although there are many related studies, there is a lack of in-depth discussions on the influence of nanotube’s composition and structure on the adsorption of dyes and other pollutants. In this paper, two kinds of natural one-dimensional silicate minerals [halloysite nanotubes (HNTs) and chrysotile nanotubes (ChNTs)] with similar morphology but slightly different compositions and crystal structures were used as adsorbents, and MO solution was used as simulate pollutants. It is the first time to discuss in depth the influence of the composition and structure of nanotube minerals on their charge properties and the adsorption performance of methyl orange dyes. It is found that HNTs and ChNTs have different adsorption capacity due to the difference of electronegativity between Al3+ and Mg2+ in the crystal, so they possess negative and positive charges respectively in near-neutral solution, which leads to the adsorption capacity of MO by ChNTs with positive charges which is greater than that of HNTs.
format	article
author	Lijuan Wu Xuewen Liu Guocheng Lv Runliang Zhu Lintao Tian Meng Liu Yuxin Li Wenxiu Rao Tianming Liu Libing Liao
author_facet	Lijuan Wu Xuewen Liu Guocheng Lv Runliang Zhu Lintao Tian Meng Liu Yuxin Li Wenxiu Rao Tianming Liu Libing Liao
author_sort	Lijuan Wu
title	Study on the adsorption properties of methyl orange by natural one-dimensional nano-mineral materials with different structures
title_short	Study on the adsorption properties of methyl orange by natural one-dimensional nano-mineral materials with different structures
title_full	Study on the adsorption properties of methyl orange by natural one-dimensional nano-mineral materials with different structures
title_fullStr	Study on the adsorption properties of methyl orange by natural one-dimensional nano-mineral materials with different structures
title_full_unstemmed	Study on the adsorption properties of methyl orange by natural one-dimensional nano-mineral materials with different structures
title_sort	study on the adsorption properties of methyl orange by natural one-dimensional nano-mineral materials with different structures
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/9261d1d7ab44479aa75d35e50cadea4d
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Study on the adsorption properties of methyl orange by natural one-dimensional nano-mineral materials with different structures

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