Metallurgical-process-for-valuable-elements-recovery-from-red-mud—A-review

������������������Metallurgicalprocessforvaluableelementsrecoveryfromredmud—AreviewZhaoboLiu,HongxuLiPII:S0304-386X(15)00070-5DOI:doi:10.1016/j.hydromet.2015.03.018Reference:HYDROM4065Toappearin:HydrometallurgyReceiveddate:13January2015Reviseddate:23March2015Accepteddate:25March2015Pleasecitethisarticleas:Liu,Zhaobo,Li,Hongxu,Metallurgicalprocessforvaluableelementsrecoveryfromredmud—Areview,Hydrometallurgy(2015),doi:10.1016/j.hydromet.2015.03.018ThisisaPDFfileofanuneditedmanuscriptthathasbeenacceptedforpublication.Asaservicetoourcustomersweareprovidingthisearlyversionofthemanuscript.Themanuscriptwillundergocopyediting,typesetting,andreviewoftheresultingproofbeforeitispublishedinitsfinalform.Pleasenotethatduringtheproductionprocesserrorsmaybediscoveredwhichcouldaffectthecontent,andalllegaldisclaimersthatapplytothejournalpertain.ACCEPTEDMANUSCRIPTACCEPTEDMANUSCRIPTMetallurgicalprocessforvaluableelementsrecoveryfromredmud—AreviewZhaoboLiua,bHongxuLia,b,*aSchoolofMetallurgicalandEcologicalEngineering,UniversityofScienceandTechnologyBeijing,Beijing100083,ChinabBeijingKeyLaboratoryofRareandPreciousMetalsGreenRecyclingandExtraction,UniversityofScienceandTechnologyBeijing,Beijing100083,China*CorrespondingauthorProfessorHongxuLiSchoolofMetallurgicalandEcologicalEngineering,UniversityofScienceandTechnologyBeijing,Beijing,ChinaNo.30XueyuanRoad,Beijing,ChinaZipCode:100083E-mail:liu_zhaobo@sina.com;lihongxu@ustb.edu.cnMobilePhone:+8618811350293Tel:+8601082375103Fax:+8601062332265Abstract:Redmud,namelybauxiteresidueorredsludge,isapotentialvaluedsolidwasteproducedfromthealuminaextractionprocesswithsubstantialreserveofover2.7billiontonnesworldwide.Takingintoaccounttheriseinironorepriceandscarcityofrareearthsupplyworldwide,recoveringaluminium,iron,sodiumandothervaluableelementsfromredmudissignificantinthedisposalofproblemsassociatedwiththesesolidwastes.Thecurrentapplicationstatusandcompositioncharacteristicsofredmudarefirstintroduced.Metallurgicalprocessesforaluminium,sodium,iron,ti