2016-Sustainable Industrial Processing Summit
SIPS 2016 Volume 3: Oye Intl. Symp. / Ionic Liquid and Aluminum
| Editors: | Kongoli F, Feng N, Polyakov P, Gaune-Escard M |
| Publisher: | Flogen Star OUTREACH |
| Publication Year: | 2016 |
| Pages: | 180 pages |
| ISBN: | 978-1-987820-40-9 |
| ISSN: | 2291-1227 (Metals and Materials Processing in a Clean Environment Series) |
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Engineering development and application prospect of alumina extraction technologies from high-alumina fly ash
Guangzhu Li1; Xiaolin Pan1;1, Shenyang, China;
Type of Paper: Regular
Id Paper: 102
Topic: 37
Abstract:
The high-alumina fly ash containing more than 40 wt% alumina is mainly distributed in midwest Inner Mongolia and north Shanxi province of China, which is the solid waste of high-aluminum coal during combustion. The prospective reserves of high-alumina fly ash are estimated to be 15 billion tons in the form of alumina. The processing technologies and the characteristics of the main products, as well as the by-products in the alkaline processes and the acid processes to extract alumina from high-alumina fly ash, were discussed in this paper based on both the experimental results and the engineering applications. The key points and prospects during the engineering processes were also pointed out. The application of alumina extraction from the high-alumina fly ash can not only expand the reserves of alumina-containing resources and reduce the covers of solid wastes, but also possess great economic value in special areas of China, which has a positive and profound influence on the sustainable development of the aluminum industry.
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