A Facile and Reliable Preparing Route of Brown Fused Alumina from Aluminum Dross

Jun Zhang; Hua Bo Li; Yong Hua Duan

doi:10.4028/www.scientific.net/KEM.680.335

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 680A Facile and Reliable Preparing Route of Brown...

A Facile and Reliable Preparing Route of Brown Fused Alumina from Aluminum Dross

Abstract:

Aluminum dross is the staple solid waste in electrolytic aluminum industry. Taking full advantage of the aluminum dross is of great significance for controlling environmental pollution and saving resource. In this work, brown fused alumina is successfully prepared using aluminum dross as raw material through different pretreatments for aluminum dross. The results show that the brown fused alumina product is comprised of α-Al₂O₃ (ca.95%), NaCl (ca.1~3%) and CaF₂(ca.1~3%), and contents of the other components are as follows: MgO 0.33%, SiO₂ 1.12%, Fe₂O₃ 0.41%, CaO 0.58%, TiO₂ 0.13%, K₂O 0.05%, Na₂O 0.87% and V₂O₅ 0.92%. This quality of the resulting brown fused alumina can fully meet the national standards of China (GB/T 2478-2008).

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Periodical:

Key Engineering Materials (Volume 680)

Pages:

335-338

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.680.335

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Online since:

February 2016

Authors:

Jun Zhang*, Hua Bo Li, Yong Hua Duan

Keywords:

Aluminum Dross, Brown Fused Alumina, Preparation, Pretreatment

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