{"title":"Methods to treat industrial salted waste: a review","authors":"Xiuxiu Ruan, Min Song, Zhihao Fang, Hao Wang, Chaoyang Zhang, Weidong Chen","doi":"10.1007/s10311-024-01721-7","DOIUrl":null,"url":null,"abstract":"<div><p>The rising production of industrial salted waste induces issues of disposal and pollution, calling for advanced methods to treat, purify and recycle the raw salt in the context of the circular economy. The main components of salted waste are organic and mineral fractions. Here we review the methods used to treat salted waste with focus on sources of salted waste, properties and removal of organic matter, and separation of minerals. Organic matter can be removed by pyrolysis carbonization, high-temperature melting, elution, and oxidation. Salt can be separated by evaporative crystallization, salt washing, and nanofiltration.</p></div>","PeriodicalId":541,"journal":{"name":"Environmental Chemistry Letters","volume":"22 4","pages":"2035 - 2053"},"PeriodicalIF":15.0000,"publicationDate":"2024-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Environmental Chemistry Letters","FirstCategoryId":"93","ListUrlMain":"https://link.springer.com/article/10.1007/s10311-024-01721-7","RegionNum":2,"RegionCategory":"环境科学与生态学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"CHEMISTRY, MULTIDISCIPLINARY","Score":null,"Total":0}
引用次数: 0
Abstract
The rising production of industrial salted waste induces issues of disposal and pollution, calling for advanced methods to treat, purify and recycle the raw salt in the context of the circular economy. The main components of salted waste are organic and mineral fractions. Here we review the methods used to treat salted waste with focus on sources of salted waste, properties and removal of organic matter, and separation of minerals. Organic matter can be removed by pyrolysis carbonization, high-temperature melting, elution, and oxidation. Salt can be separated by evaporative crystallization, salt washing, and nanofiltration.
期刊介绍：
Environmental Chemistry Letters explores the intersections of geology, chemistry, physics, and biology. Published articles are of paramount importance to the examination of both natural and engineered environments. The journal features original and review articles of exceptional significance, encompassing topics such as the characterization of natural and impacted environments, the behavior, prevention, treatment, and control of mineral, organic, and radioactive pollutants. It also delves into interfacial studies involving diverse media like soil, sediment, water, air, organisms, and food. Additionally, the journal covers green chemistry, environmentally friendly synthetic pathways, alternative fuels, ecotoxicology, risk assessment, environmental processes and modeling, environmental technologies, remediation and control, and environmental analytical chemistry using biomolecular tools and tracers.
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