Effect of Fractional Precipitation on Quality of Nanostructured Alumina Produced from Black Aluminium Dross Waste

Meor Yusoff Meor Sulaiman; Masliana Muslimin; Paulus Wilfred

doi:10.4028/www.scientific.net/AMR.173.24

Paper Titles

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The Effect of Sintering Temperature on Crystal Structure and Microstructure of Pr_0.67Ba_0.33MnO₃ Ceramic
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Effect of Al₂O₃/ZrO₂ Hybrid on the Fracture Toughness and Flexural Properties of PMMA Denture Base
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Effect of Fractional Precipitation on Quality of Nanostructured Alumina Produced from Black Aluminium Dross Waste
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Effect of Particle Sizes of Magnesium Oxide on Zirconia Toughened Alumina Vickers Hardness
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Development of a Simultaneous Elemental Analysis for Clay Minerals Using EDXRF
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Structural Properties Studies of GaN on 6H-SiC by Means of X-Ray Diffraction Technique
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Effects of Different Gloss Firing Temperature on the Crystallization of Zinc-Based Crystal Glaze
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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 173Effect of Fractional Precipitation on Quality of...

Effect of Fractional Precipitation on Quality of Nanostructured Alumina Produced from Black Aluminium Dross Waste

Abstract:

Black aluminium dross produced from a local aluminium smelting plant was used in this study. Solvothermal method was used to produce nanostructured alumina from this waste. Initial product obtained is of low quality with 86.9% Al2O3 content and mixed crystalline phases of 71% α-alumina and 29% calcium dodeca aluminate (CaO(Al2O3)6). The introduction of the fractional precipitation stage into the process helps in improving the purity of the alumina product to 96.5% and also produces 100% α-alumina crystalline phase. The study also shows that the crystallite size of the α-alumina products produced from this process is less than 100nm.