A novel method of preparing PbS from waste lead paste through in-situ vulcanization and reduction

Lu Zhan; Shihao Shen; Bing Xie; Kai Yang

doi:10.1016/j.jclepro.2018.10.190

A novel method of preparing PbS from waste lead paste through in-situ vulcanization and reduction

Lu Zhan^*, Shihao Shen, Bing Xie, Kai Yang

^*Corresponding author for this work

School of Ecology and Environmental Sciences

Research output: Contribution to journal › Article › peer-review

14 Scopus citations

Abstract

Lead in the Waste lead-acid batteries (WLAB) is a serious, important environmental problem if it is not properly disposed. And this is one of the issues that catches the world attention. At the same time, the waste lead is a kind of resource which is worthy of recovery. This paper proposes a new method to prepare ultrafine PbS using the main components of the lead paste in WLAB. Fully utilizing the sulfur in the PbSO₄ of the lead paste, PbS can be prepared after in-situ vulcanization and reduction. A little sulfur is added for vulcanization of Pb, PbO and PbO₂ in the paste, and the dosage of the sulfur can be calculated as M_S=0.167M_Pb+0.25M_PbO+0.35M_PbO2. PbSO₄ can be reduced to PbS by adding carbon. Therefore, the sulfur in PbSO₄ will be kept in PbS and will not generate SO₂ emission, which will be beneficial for the air protection. The mechanisms of each step are also explored in detail. This study can provide an environmentally-friendly way for recycling Pb from the WLAB with a high value-added product.

Original language	English
Pages (from-to)	778-784
Number of pages	7
Journal	Journal of Cleaner Production
Volume	208
DOIs	https://doi.org/10.1016/j.jclepro.2018.10.190
State	Published - 20 Jan 2019

Keywords

Lead-acid batteries
Pb
Recycle
Ultrafine PbS

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.jclepro.2018.10.190

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title = "A novel method of preparing PbS from waste lead paste through in-situ vulcanization and reduction",

abstract = "Lead in the Waste lead-acid batteries (WLAB) is a serious, important environmental problem if it is not properly disposed. And this is one of the issues that catches the world attention. At the same time, the waste lead is a kind of resource which is worthy of recovery. This paper proposes a new method to prepare ultrafine PbS using the main components of the lead paste in WLAB. Fully utilizing the sulfur in the PbSO4 of the lead paste, PbS can be prepared after in-situ vulcanization and reduction. A little sulfur is added for vulcanization of Pb, PbO and PbO2 in the paste, and the dosage of the sulfur can be calculated as MS=0.167MPb+0.25MPbO+0.35MPbO2. PbSO4 can be reduced to PbS by adding carbon. Therefore, the sulfur in PbSO4 will be kept in PbS and will not generate SO2 emission, which will be beneficial for the air protection. The mechanisms of each step are also explored in detail. This study can provide an environmentally-friendly way for recycling Pb from the WLAB with a high value-added product.",

keywords = "Lead-acid batteries, Pb, Recycle, Ultrafine PbS",

author = "Lu Zhan and Shihao Shen and Bing Xie and Kai Yang",

note = "Publisher Copyright: {\textcopyright} 2018 Elsevier Ltd",

year = "2019",

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day = "20",

doi = "10.1016/j.jclepro.2018.10.190",

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T1 - A novel method of preparing PbS from waste lead paste through in-situ vulcanization and reduction

AU - Zhan, Lu

AU - Shen, Shihao

AU - Xie, Bing

AU - Yang, Kai

PY - 2019/1/20

Y1 - 2019/1/20

N2 - Lead in the Waste lead-acid batteries (WLAB) is a serious, important environmental problem if it is not properly disposed. And this is one of the issues that catches the world attention. At the same time, the waste lead is a kind of resource which is worthy of recovery. This paper proposes a new method to prepare ultrafine PbS using the main components of the lead paste in WLAB. Fully utilizing the sulfur in the PbSO4 of the lead paste, PbS can be prepared after in-situ vulcanization and reduction. A little sulfur is added for vulcanization of Pb, PbO and PbO2 in the paste, and the dosage of the sulfur can be calculated as MS=0.167MPb+0.25MPbO+0.35MPbO2. PbSO4 can be reduced to PbS by adding carbon. Therefore, the sulfur in PbSO4 will be kept in PbS and will not generate SO2 emission, which will be beneficial for the air protection. The mechanisms of each step are also explored in detail. This study can provide an environmentally-friendly way for recycling Pb from the WLAB with a high value-added product.

AB - Lead in the Waste lead-acid batteries (WLAB) is a serious, important environmental problem if it is not properly disposed. And this is one of the issues that catches the world attention. At the same time, the waste lead is a kind of resource which is worthy of recovery. This paper proposes a new method to prepare ultrafine PbS using the main components of the lead paste in WLAB. Fully utilizing the sulfur in the PbSO4 of the lead paste, PbS can be prepared after in-situ vulcanization and reduction. A little sulfur is added for vulcanization of Pb, PbO and PbO2 in the paste, and the dosage of the sulfur can be calculated as MS=0.167MPb+0.25MPbO+0.35MPbO2. PbSO4 can be reduced to PbS by adding carbon. Therefore, the sulfur in PbSO4 will be kept in PbS and will not generate SO2 emission, which will be beneficial for the air protection. The mechanisms of each step are also explored in detail. This study can provide an environmentally-friendly way for recycling Pb from the WLAB with a high value-added product.

KW - Lead-acid batteries

KW - Pb

KW - Recycle

KW - Ultrafine PbS

UR - https://www.scopus.com/pages/publications/85056182014

U2 - 10.1016/j.jclepro.2018.10.190

DO - 10.1016/j.jclepro.2018.10.190

M3 - 文章

AN - SCOPUS:85056182014

SN - 0959-6526

VL - 208

SP - 778

EP - 784

JO - Journal of Cleaner Production

JF - Journal of Cleaner Production

ER -

A novel method of preparing PbS from waste lead paste through in-situ vulcanization and reduction

Abstract

Keywords

UN SDGs

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