{"refrec":{"BRefID":367076,"RR":"<b>Raiguel, S.; Nguyen, V.T.; Reis Rodrigues, I.; Deferm, C.; Riaño, S.; Binnemans, K.</b> (2023). Recovery of Lithium from simulated nanofiltration-treated seawater desalination brine using solvent extraction and selective precipitation. <i>Solvent Extraction and Ion Exchange 41(4)</i>: 425-448. <a href=\"https://dx.doi.org/10.1080/07366299.2023.2206440\" target=\"_blank\">https://dx.doi.org/10.1080/07366299.2023.2206440</a>","BEntID":364800,"PublicFlag":1,"CheckedFlag":1,"wosflag":1,"vabbflag":0,"RefStringPartII":". <i>Solvent Extraction and Ion Exchange 41(4)</i>: 425-448. <a href=\"https://dx.doi.org/10.1080/07366299.2023.2206440\" target=\"_blank\">https://dx.doi.org/10.1080/07366299.2023.2206440</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":1,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Raiguel, S.; Nguyen, V.T.; Reis Rodrigues, I.; Deferm, C.; Riaño, S.; Binnemans, K.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Raiguel, S. <i>et al.</i>","Englishabstract":"The world's seas and oceans contain vast amounts of lithium, but the low concentration hereof renders solvent extraction impractical for its recovery. By contrast, seawater desalination brine, after treatment by nanofiltration, contains a roughly tenfold greater concentration of lithium than raw seawater. Hence, lithium can be effectively recovered from such streams using solvent extaction. Compared with other techniques to sequester lithium from dilute solutions, solvent extraction offers the advantages of simple operations, robust and well-established technology and high recovery yields. Thus, we propose a solvent-extraction based process to recover lithium from seawater desalination brine, treated by nanofiltration. The first step comprises the removal of magnesium and calcium using methyltrioctylammonium neodecanoate in p-cymene. This is followed by a lithium extraction step using the extractants Mextral 54–100 and Cyanex 923 in Shellsol D70 diluent. The lithium extract is then scrubbed with water and stripped with hydrochloric acid. Subsequently, residual alkaline earth metals are removed with sodium hydroxide in ethanol and finally lithium is precipitated using sodium carbonate. The solvent extraction, scrubbing and stripping steps were demonstrated on mini-pilot scale in continuous countercurrent mode (in mixer-settlers), while the precipitation steps were demonstrated in batch. The process was found to have an overall yield of 74%, affording a lithium carbonate product with a purity of 97 wt%.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Recovery of Lithium from simulated nanofiltration-treated seawater desalination brine using solvent extraction and selective precipitation","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2025-09-25 01:36:50.712317","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"hydrometallurgy; solvent extraction; seawater desalination brine; lithium; mixer-settlers","OtherDescriptors":null,"Notes":null,"AnaPub":2023,"MonPub":null,"DateUpdate":"2025-09-18","DateCreate":"2023-09-18","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000986134700001","VABBcode":null,"OpenAcc":1,"DOI":"10.1080/07366299.2023.2206440"},"refs":null,"anarec":{"AnaID":367076,"PubliDate":2023,"Pagination":"425-448","XtraPublOfAnaID":null,"ISBN":null,"Volume":"41","Issue":"4","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":278651,"SerRR":"Solvent Extraction and Ion Exchange. 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