Investigation of organic impurity and its occurrence in industrial waste salt produced by physicochemical process.

Industrial waste salt is classified as hazardous waste to the environment. The organic impurity and its occurrence in industrial waste salt affect the salt resource utilization. In this paper, composition quantitative analysis, XRD, TG-DSC, SEM/FIB-SEM coupled with EDS, FTIR, XPS and GC-Ms were chos...

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Autores principales:	Zongwen Zhao, Wenbin Xu, Zhongbing Wang, Weining Qin, Jie Lei, Xinglin Guo, Jiang Long
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/3cdc19a20627447faef37cd4df3093d9
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spelling	oai:doaj.org-article:3cdc19a20627447faef37cd4df3093d92021-12-02T20:17:40ZInvestigation of organic impurity and its occurrence in industrial waste salt produced by physicochemical process.1932-620310.1371/journal.pone.0256101https://doaj.org/article/3cdc19a20627447faef37cd4df3093d92021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0256101https://doaj.org/toc/1932-6203Industrial waste salt is classified as hazardous waste to the environment. The organic impurity and its occurrence in industrial waste salt affect the salt resource utilization. In this paper, composition quantitative analysis, XRD, TG-DSC, SEM/FIB-SEM coupled with EDS, FTIR, XPS and GC-Ms were chosen to investigate the organic impurity and its occurrence in industrial waste salt. The organic impurities owe small proportion (1.77%) in the specimen and exhibit weak thermal stability within the temperature of 600°C. A clear definition of organic impurity, including 11 kinds of organic compounds, including aldehyde, benzene and its derivatives etc., were detected in the industrial waste salt. These organic impurities, owing (C-O/C-O-C, C-OH/C = O, C-C/CHx/C = C etc.)-containing function group substance, are mainly distributed both on the surface and inside of the salt particles. Meanwhile, the organic substance may combine with metal cations (Ni2+, Mg2+, Cu2+ etc.) through functional groups, such as hydroxide, carbonyl etc., which increases its stability in the industrial waste salt. These findings provide comprehensive information for the resource utilization of industrial waste salt from chemical industry etc.Zongwen ZhaoWenbin XuZhongbing WangWeining QinJie LeiXinglin GuoJiang LongPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 8, p e0256101 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Zongwen Zhao Wenbin Xu Zhongbing Wang Weining Qin Jie Lei Xinglin Guo Jiang Long Investigation of organic impurity and its occurrence in industrial waste salt produced by physicochemical process.
description	Industrial waste salt is classified as hazardous waste to the environment. The organic impurity and its occurrence in industrial waste salt affect the salt resource utilization. In this paper, composition quantitative analysis, XRD, TG-DSC, SEM/FIB-SEM coupled with EDS, FTIR, XPS and GC-Ms were chosen to investigate the organic impurity and its occurrence in industrial waste salt. The organic impurities owe small proportion (1.77%) in the specimen and exhibit weak thermal stability within the temperature of 600°C. A clear definition of organic impurity, including 11 kinds of organic compounds, including aldehyde, benzene and its derivatives etc., were detected in the industrial waste salt. These organic impurities, owing (C-O/C-O-C, C-OH/C = O, C-C/CHx/C = C etc.)-containing function group substance, are mainly distributed both on the surface and inside of the salt particles. Meanwhile, the organic substance may combine with metal cations (Ni2+, Mg2+, Cu2+ etc.) through functional groups, such as hydroxide, carbonyl etc., which increases its stability in the industrial waste salt. These findings provide comprehensive information for the resource utilization of industrial waste salt from chemical industry etc.
format	article
author	Zongwen Zhao Wenbin Xu Zhongbing Wang Weining Qin Jie Lei Xinglin Guo Jiang Long
author_facet	Zongwen Zhao Wenbin Xu Zhongbing Wang Weining Qin Jie Lei Xinglin Guo Jiang Long
author_sort	Zongwen Zhao
title	Investigation of organic impurity and its occurrence in industrial waste salt produced by physicochemical process.
title_short	Investigation of organic impurity and its occurrence in industrial waste salt produced by physicochemical process.
title_full	Investigation of organic impurity and its occurrence in industrial waste salt produced by physicochemical process.
title_fullStr	Investigation of organic impurity and its occurrence in industrial waste salt produced by physicochemical process.
title_full_unstemmed	Investigation of organic impurity and its occurrence in industrial waste salt produced by physicochemical process.
title_sort	investigation of organic impurity and its occurrence in industrial waste salt produced by physicochemical process.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/3cdc19a20627447faef37cd4df3093d9
work_keys_str_mv	AT zongwenzhao investigationoforganicimpurityanditsoccurrenceinindustrialwastesaltproducedbyphysicochemicalprocess AT wenbinxu investigationoforganicimpurityanditsoccurrenceinindustrialwastesaltproducedbyphysicochemicalprocess AT zhongbingwang investigationoforganicimpurityanditsoccurrenceinindustrialwastesaltproducedbyphysicochemicalprocess AT weiningqin investigationoforganicimpurityanditsoccurrenceinindustrialwastesaltproducedbyphysicochemicalprocess AT jielei investigationoforganicimpurityanditsoccurrenceinindustrialwastesaltproducedbyphysicochemicalprocess AT xinglinguo investigationoforganicimpurityanditsoccurrenceinindustrialwastesaltproducedbyphysicochemicalprocess AT jianglong investigationoforganicimpurityanditsoccurrenceinindustrialwastesaltproducedbyphysicochemicalprocess
_version_	1718374339022159872

Investigation of organic impurity and its occurrence in industrial waste salt produced by physicochemical process.

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