2016-Sustainable Industrial Processing Summit
SIPS 2016 Volume 10: Battery, Recycling, Environmental, Mining
| Editors: | Kongoli F, Kumar V, Aifantis K, Pagnanelli F |
| Publisher: | Flogen Star OUTREACH |
| Publication Year: | 2016 |
| Pages: | 220 pages |
| ISBN: | 978-1-987820-54-6 |
| ISSN: | 2291-1227 (Metals and Materials Processing in a Clean Environment Series) |
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Preparation of high purity lead oxide from spent lead paste
Wenhao Yu1; Jiakuan Yang1; Yuchen Hu1; Mingyang Li1; Junxiong Wang1;1HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY (HUST), Wuhan, China;
Type of Paper: Regular
Id Paper: 392
Topic: 14
Abstract:
The hydrometallurgical process for lead recovery is being developed as the global lead consumption increasing in recent years, especially in China as the popularity of electric bicycle. Since the negative impact of impurities on the battery performance, the removal of Fe, Ba and other impurities is a big challenge of the hydrometallurgical process for lead recovery. A novel hydrometallurgical process is investigated to prepare high purity lead oxide from spent lead pastes in this paper. The 再-PbO can be obtained via desulphurization, acid leaching and liquid-phase synthesis process. The lead recovery rate can be as high as 92% of the overall process. In addition, more than 99% of Fe and 99% of Ba can be removed under the optimal conditions. Fe and Ba content in the PbO obtained was less than 40 ppm and 1ppm respectively. The lead oxide prepared presented a granular structure and can be used as the positive materials for lead acid battery.