{"title":"电膜在金属回收废Na2SO4溶液再生NaOH和H2SO4中的应用","authors":"Yeon-Chul Cho, Ki-Hun Kim, Jae-Woo Ahn","doi":"10.7844/kirr.2022.31.5.3","DOIUrl":null,"url":null,"abstract":"Electro-membrane technology is a process for separating and purifying substances in aqueous solution by electric energy using an ion exchange membrane with selective permeability, such as electrodialysis (ED) and bipolar electrodialysis (BMED). Electro-membrane technology is attracting attention as an environmental friendly technology because it does not generate by-products during the process and the recovered base or acid can be reused during the process. In this paper, we investigate the principles of ED and BMED technologies and various characteristics and problems according to the cell configuration. In particular, by investigating and analyzing research cases related to the treatment of waste sodium sulfate (Na 2 SO 4 ), which is generated in large amounts during the metal recovery process.","PeriodicalId":20967,"journal":{"name":"Resources Recycling","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2022-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Application of Electro-membrane for Regeneration of NaOH and H2SO4 from the Spent Na2SO4 Solutions in Metal Recovery Process\",\"authors\":\"Yeon-Chul Cho, Ki-Hun Kim, Jae-Woo Ahn\",\"doi\":\"10.7844/kirr.2022.31.5.3\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Electro-membrane technology is a process for separating and purifying substances in aqueous solution by electric energy using an ion exchange membrane with selective permeability, such as electrodialysis (ED) and bipolar electrodialysis (BMED). Electro-membrane technology is attracting attention as an environmental friendly technology because it does not generate by-products during the process and the recovered base or acid can be reused during the process. In this paper, we investigate the principles of ED and BMED technologies and various characteristics and problems according to the cell configuration. In particular, by investigating and analyzing research cases related to the treatment of waste sodium sulfate (Na 2 SO 4 ), which is generated in large amounts during the metal recovery process.\",\"PeriodicalId\":20967,\"journal\":{\"name\":\"Resources Recycling\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2022-10-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Resources Recycling\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.7844/kirr.2022.31.5.3\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Resources Recycling","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.7844/kirr.2022.31.5.3","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Application of Electro-membrane for Regeneration of NaOH and H2SO4 from the Spent Na2SO4 Solutions in Metal Recovery Process
Electro-membrane technology is a process for separating and purifying substances in aqueous solution by electric energy using an ion exchange membrane with selective permeability, such as electrodialysis (ED) and bipolar electrodialysis (BMED). Electro-membrane technology is attracting attention as an environmental friendly technology because it does not generate by-products during the process and the recovered base or acid can be reused during the process. In this paper, we investigate the principles of ED and BMED technologies and various characteristics and problems according to the cell configuration. In particular, by investigating and analyzing research cases related to the treatment of waste sodium sulfate (Na 2 SO 4 ), which is generated in large amounts during the metal recovery process.
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