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Spinel synthesis from aluminium dross
KTH, School of Industrial Engineering and Management (ITM), Materials Science and Engineering, Materials Process Science.
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2011 (English)In: Transactions of the Institutions of Mining and Metallurgy, Section C: Mineral Processing and Extractive Metallurgy, ISSN 0371-9553, Vol. 120, no 4, 247-250 p.Article in journal (Refereed) Published
Abstract [en]

It is believed that aluminium recycling is going to become the main route of aluminium production in future. The secondary aluminium dross produced during aluminium remelting contains large amounts of salts and oxides. In recent years, various techniques were developed to recycle the dross in order to obtain the valuable materials in it. In this paper, spinel has been successfully synthesised from aluminium dross. After leaching for 1 h (the ratio of solid/liquid was 1 : 50 at 20uC) with water, the salts KCl and NaCl were almost removed off from the dross. The temperature effect on the spinel synthesis was investigated in detail using the traditional solid phase sintering method. It was found that with increasing temperature, the spinel and Al2O 3 became the main phases in the final products.

Place, publisher, year, edition, pages
2011. Vol. 120, no 4, 247-250 p.
Keyword [en]
Aluminium dross, Leaching, Salt removing, Spinel, Aluminium production, Aluminium recycling, Solid phase sintering, Solid/liquid, Materials properties, Recycling, Sintering, Sodium chloride, Aluminum
National Category
Materials Engineering
URN: urn:nbn:se:kth:diva-150676DOI: 10.1179/1743285511Y.0000000007ScopusID: 2-s2.0-81055124209OAI: diva2:744946

QC 20140909

Available from: 2014-09-09 Created: 2014-09-08 Last updated: 2015-10-09Bibliographically approved

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Li, PengSeetharaman, Seetharaman
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