EXPERIMENTAL STUDY ON SEPARATION OF LEAD PASTE DIAPHRAGM FIBER FROM WASTE DZM LEAD-ACID BATTERIES

HU Biao; GAO Tao; WANG Haibei; LOU Kebai; MA Jun; YANG Zhichao

doi:10.13205/j.hjgc.202203023

Volume 40 Issue 3

Mar. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(3): 154-158,23

HU Biao, GAO Tao, WANG Haibei, LOU Kebai, MA Jun, YANG Zhichao. EXPERIMENTAL STUDY ON SEPARATION OF LEAD PASTE DIAPHRAGM FIBER FROM WASTE DZM LEAD-ACID BATTERIES[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(3): 154-158,23. doi: 10.13205/j.hjgc.202203023

Citation:

HU Biao, GAO Tao, WANG Haibei, LOU Kebai, MA Jun, YANG Zhichao. EXPERIMENTAL STUDY ON SEPARATION OF LEAD PASTE DIAPHRAGM FIBER FROM WASTE DZM LEAD-ACID BATTERIES[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(3): 154-158,23. doi: 10.13205/j.hjgc.202203023

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EXPERIMENTAL STUDY ON SEPARATION OF LEAD PASTE DIAPHRAGM FIBER FROM WASTE DZM LEAD-ACID BATTERIES

doi: 10.13205/j.hjgc.202203023

1. Xiuchuan Research Center for Green Manufacturing Technology, Tianjin University of Technology, Tianjin 300384, China;
2. Beijing General Research Institute of Mining&Metallurgy, Beijing 100071, China;
3. Tianneng Power Supply Material Co., Ltd, Changxing 313100, China

Received Date: 2021-06-29
Available Online: 2022-07-07

Abstract

Abstract

According to the material characteristics of each component in waste lead paste, the raw materials of waste lead paste were rinsed and screened for 154 μm aperture, 77 μm aperture and 54 μm aperture step by step. Afterwards, electrolytic separation experiments were carried out on the materials above each grade of sieve, PbSO₄, and metal lead mixture in the lower fiber and the upper fiber were collected respectively. Through scanning electron microscope (SEM) morphology analysis and X-ray diffraction (XRD) detection, the results showed that the diaphragm fiber in waste lead paste could be separated effectively by step rinse screening and electrolytic separation. The main lead compounds in the material above the sieve were PbSO₄ and a small amount of Pb, and the main components in the material below the sieve were PbO₂ and PbSO₄. After 54 μm aperture sieving experiment, the separated diaphragm fibers reached 9.45%(by mass ratio) of the total waste lead paste.
- waste lead paste,
- diaphragm fiber,
- rinse screening,
- electrolytic separation

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References(14)

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