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Conflict of Interest: In relation to this article, we declare that there is no conflict of interest.

Publication history: Received December 15, 2005
Accepted May 15, 2006

This is an Open-Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/bync/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Synthesis of aluminum isopropoxide from aluminum dross

Seung-Joon Yoo^† Ho-Sung Yoon¹ Hee Dong Jang¹ Jung-Woon Lee² Seung-Tae Hong² Min-Jae Lee Se-Il Lee Ki-Won Jun³

Faculty of Environmental and Chemical Engineering, Seonam University, Namwon 590-711, Korea ¹Minerals Utilization and Materials Processing Division, Korea Institute of Geoscience and Mineral Resources, Daejeon 305-350, Korea ²Department of Chemical Engineering, Sogang University, Seoul 121-742, Korea ³Micro-Chemical Technology Laboratory, Korea Research Institute of Chemical Technology, Daejeon 305-343, Korea

Korean Journal of Chemical Engineering, July 2006, 23(4), 683-687(5), 10.1007/BF02706815

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Abstract

Synthetic reaction of aluminum isopropoxide, which is used as a starting material for catalytic-grade alumina, has been studied in the presence of a small amount of HgI2, HgCl2, I2 or FeCl3 from aluminum dross. It was synthesized by solid-liquid reaction between the aluminum metal and isopropyl alcohol, using vacuum distillation process. The purity of the synthesized aluminum isopropoxide was obtained over 97.6% experimentally, which had been analyzed quantitatively by complexometric method. The initial amount of sodium, which directly affects the catalytic activation in the alumina catalyst, was in the range of 0.926 to 1.563 wt% in the aluminum dross. Finally, it was decreased to 0.007 wt% in the aluminum isopropoxide product. Yield was changed according to the amount of aluminium existing in the aluminum dross. Aluminum could mostly be recovered regardless of the amount of aluminium existing in the aluminum dross.

Keywords

Aluminum Dross Aluminum Isopropoxide Solid-liquid Reaction Vacuum Distillation Na Content

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