Spent Lead-Acid Batteries Crushing Mechanical Properties and Impact Crushing Effect
International Journal of Materials Science and Applications
Volume 7, Issue 4, July 2018, Pages: 153-160
Received: Jul. 10, 2018;
Accepted: Aug. 21, 2018;
Published: Sep. 11, 2018
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Wu Caibin, School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, China
Li Bensheng, School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, China; Jiangxi Key Laboratory of Mining & Metallurgy Environmental Pollution Control, Ganzhou, China
Yuan Chenfang, School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, China
Zhao Jieming, School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, China
Ye Jingsheng, School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, China
Ni Shuainan, School of Resources and Environmental Engineering, Jiangxi University of Science and Technology, Ganzhou, China
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The spent lead-acid battery contains a large amount of lead metal and waste acid. If not treated or simply treated, it will cause serious environmental pollution and even endanger human health. The paper focuses on the recovery of valuable resources such as lead paste and plastic by replacing chemical methods with physical ones, which the bending performance was tested with electronic universal testing machine and the impact performance measured with plastic pendulum impact testing machine. At the same time, a self-designed crusher is also used for impact crushing. The test results showed that the plastic shell is hard and brittle and has strong resistance to bending, but its impact resistance is weak. The spent lead-acid batteries were crushed by self-designed impact crusher. In the broken products, the grids and fiber separators were distributed between 2.2-0.5 mm in diameter, while plastics mainly over 10 mm and lead paste mainly below 0.1 mm. The XRD results show that the lead in each particle size has different forms and contents of lead. Different comminution experiments show that the appropriate process parameters can achieve the existence of valuable resources such as plastics, grids, and lead pastes in spent lead-acid batteries according to their shape and size, which helps the subsequent sorting and recovery of valuable materials.
Spent Lead-Acid Batteries, Mechanical Properties, Impact Crushing, Granular Distribution, Resource Recovery
To cite this article
Spent Lead-Acid Batteries Crushing Mechanical Properties and Impact Crushing Effect, International Journal of Materials Science and Applications.
Vol. 7, No. 4,
2018, pp. 153-160.
Copyright © 2018 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/
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