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Aluminium salt slag characterization and utilization - A review

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dc.contributor.author Tsakiridis, PE en
dc.date.accessioned 2014-03-01T11:46:38Z
dc.date.available 2014-03-01T11:46:38Z
dc.date.issued 2012 en
dc.identifier.issn 03043894 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/37996
dc.subject Aluminium salt slag en
dc.subject Properties, Utilization en
dc.subject Waste processing en
dc.subject.other Aluminium industry en
dc.subject.other Aluminium oxide en
dc.subject.other Aluminium salts en
dc.subject.other European Countries en
dc.subject.other Hazardous wastes en
dc.subject.other Landfill disposal en
dc.subject.other Non-metallic en
dc.subject.other Potassium chloride en
dc.subject.other Smelting process en
dc.subject.other Value added products en
dc.subject.other Waste processing en
dc.subject.other Carbides en
dc.subject.other Electrochemical electrodes en
dc.subject.other Metal recovery en
dc.subject.other Nitrides en
dc.subject.other Phosphorus compounds en
dc.subject.other Recycling en
dc.subject.other Slags en
dc.subject.other Smelting en
dc.subject.other Sodium chloride en
dc.subject.other Aluminum en
dc.subject.other aluminum oxide en
dc.subject.other aluminum salt en
dc.subject.other ammonia en
dc.subject.other carbon dioxide en
dc.subject.other fluorocarbon en
dc.subject.other methane en
dc.subject.other potassium chloride en
dc.subject.other sodium chloride en
dc.subject.other aluminum en
dc.subject.other compliance en
dc.subject.other environmental impact assessment en
dc.subject.other hazardous waste en
dc.subject.other landfill en
dc.subject.other literature review en
dc.subject.other mineralogy en
dc.subject.other recovery en
dc.subject.other recycling en
dc.subject.other salt en
dc.subject.other secondary sector industry en
dc.subject.other slag en
dc.subject.other smelting en
dc.subject.other waste disposal en
dc.subject.other waste treatment en
dc.subject.other aluminium salt slag en
dc.subject.other carbon footprint en
dc.subject.other crystallization en
dc.subject.other electrolysis en
dc.subject.other energy consumption en
dc.subject.other evaporation en
dc.subject.other filtration en
dc.subject.other freeze crystallization en
dc.subject.other furnace en
dc.subject.other gasification en
dc.subject.other grinding en
dc.subject.other heat transfer en
dc.subject.other hydrolysis en
dc.subject.other industrial waste en
dc.subject.other leaching en
dc.subject.other melting point en
dc.subject.other metal industry en
dc.subject.other non metallic residue en
dc.subject.other process design en
dc.subject.other purification en
dc.subject.other recycling en
dc.subject.other reverberatory furnace en
dc.subject.other review en
dc.subject.other rotary melting furnace en
dc.subject.other slag en
dc.subject.other solvent extraction en
dc.subject.other waste disposal en
dc.subject.other waste management en
dc.subject.other Aluminum en
dc.subject.other Hazardous Waste en
dc.subject.other Europe en
dc.title Aluminium salt slag characterization and utilization - A review en
heal.type other en
heal.identifier.primary 10.1016/j.jhazmat.2012.03.052 en
heal.identifier.secondary http://dx.doi.org/10.1016/j.jhazmat.2012.03.052 en
heal.publicationDate 2012 en
heal.abstract Aluminium salt slag (also known as aluminium salt cake), which is produced by the secondary aluminium industry, is formed during aluminium scrap/dross melting and contains 15-30% aluminium oxide, 30-55% sodium chloride, 15-30% potassium chloride, 5-7% metallic aluminium and impurities (carbides, nitrides, sulphides and phosphides). Depending on the raw mix the amount of salt slag produced per tonne of secondary aluminium ranges from 200 to 500. kg. As salt slag has been classified as toxic and hazardous waste, it should be managed in compliance with the current legislation. Its landfill disposal is forbidden in most of the European countries and it should be recycled and processed in a proper way by taking the environmental impact into consideration. This paper presents a review of the aluminium salt slag chemical and mineralogical characteristics, as well as various processes for metal recovery, recycling of sodium and potassium chlorides content back to the smelting process and preparation of value added products from the final non metallic residue. © 2012 Elsevier B.V.. en
heal.journalName Journal of Hazardous Materials en
dc.identifier.doi 10.1016/j.jhazmat.2012.03.052 en
dc.identifier.volume 217-218 en
dc.identifier.spage 1 en
dc.identifier.epage 10 en


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