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Metals recovery supports sustainability and the development of a circular economy with benefits for resource conservation and the environment. In this study, five extractants (Acorga M5640, LIX 54, LIX 622, LIX 622\u00a0N, and LIX 864) diluted (15% (v\/v)) in Shell GTL with 2.5% (v\/v) octanol were compared and evaluated for Cu recovery from an extreme AMD sample (5.3\u2009\u00b1\u20090.3\u00a0g\/L Cu) collected at the inactive S\u00e3o Domingos Mine in the Iberian Pyrite Belt of Portugal. Of the five extractants, Acorga M5640 showed the best selective efficiency. Further tests showed that 30% (v\/v) of this extractant was able to selectively extract \u2248 96.0% of the Cu from the AMD in one extraction step and all of the remaining Cu (to below detection) in three steps. Among the different stripping agents tested, 2\u00a0M sulfuric acid was the most efficient, with \u2248 99% of the Cu stripped, and the recyclability of the organic phase was confirmed in five successive cycles of extraction and stripping. Furthermore, contact time tests revealed that the extraction kinetics allows the transfer of \u2248 97% of the Cu in 15\u00a0min, and aqueous to organic phase ratios tests demonstrated a maximum loading capacity of \u2248 16\u00a0g\/L Cu in the organic phase. Raising the concentration of Cu in the stripping solution (2\u00a0M sulfuric acid) to \u2248 46\u00a0g\/L through successive striping steps showed the potential to recover elemental Cu using traditional electrowinning. Finally, a biological approach for Cu recovery from the stripping solution was evaluated by adding the supernatant of a sulfate-reducing bacteria culture to make different molar ratios of biogenic sulfide to copper; ratios over 1.75 resulted in precipitation of more than 95% of the Cu as covellite nanoparticles.<\/jats:p>\n                <jats:p><jats:bold>Graphical Abstract<\/jats:bold><\/jats:p>","DOI":"10.1007\/s10230-022-00858-7","type":"journal-article","created":{"date-parts":[[2022,3,7]],"date-time":"2022-03-07T04:13:27Z","timestamp":1646626407000},"page":"387-401","update-policy":"https:\/\/doi.org\/10.1007\/springer_crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["A New Application of Solvent Extraction to Separate Copper from Extreme Acid Mine Drainage Producing Solutions for Electrochemical and Biological Recovery Processes","Eine neue Anwendung der L\u00f6sungsmittelextraktion zur Abtrennung von Kupfer aus extrem sauren Grubenwasserl\u00f6sungen f\u00fcr elektrochemische und biologische R\u00fcckgewinnungsverfahren","Una nueva aplicaci\u00f3n de la extracci\u00f3n con disolventes para separar el cobre de extremos drenajes \u00e1cidos de minas para procesos de recuperaci\u00f3n electroqu\u00edmica y biol\u00f3gica","\u6eb6\u5242\u8403\u53d6\u6cd5\u63d0\u53d6\u5f3a\u9178\u6027\u77ff\u4e95\u6392\u653e\u5e9f\u6c34\u94dc\u7684\u65b0\u5e94\u7528\u4e3a\u91d1\u5c5e\u7535\u5316\u5b66\u548c\u751f\u7269\u56de\u6536\u63d0\u4f9b\u89e3\u51b3\u65b9\u6848."],"prefix":"10.1007","volume":"41","author":[{"given":"Amir","family":"Nobahar","sequence":"first","affiliation":[]},{"given":"Alemu Bejiga","family":"Melka","sequence":"additional","affiliation":[]},{"given":"Alexandra","family":"Pusta","sequence":"additional","affiliation":[]},{"given":"Jo\u00e3o Paulo","family":"Louren\u00e7o","sequence":"additional","affiliation":[]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0675-2716","authenticated-orcid":false,"given":"Jorge Dias","family":"Carlier","sequence":"additional","affiliation":[]},{"given":"Maria Clara","family":"Costa","sequence":"additional","affiliation":[]}],"member":"297","published-online":{"date-parts":[[2022,3,7]]},"reference":[{"issue":"1\u20134","key":"858_CR1","doi-asserted-by":"publisher","first-page":"85","DOI":"10.1016\/j.minpro.2010.08.009","volume":"97","author":"S Agarwal","year":"2010","unstructured":"Agarwal S, Ferreira AE, Santos SMC, Reis MTA, Ismael MRC, Correia MJN, Carvalho JMR (2010) Separation and recovery of copper from zinc leach liquor by solvent extraction using Acorga M5640. 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