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231225s2020 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X19872263
|2 doi
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|a pubmed24n1004.xml
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|a (DE-627)NLM301311013
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|a (NLM)31522656
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Liu, Wenke
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Lead recovery from spent lead acid battery paste by hydrometallurgical conversion and thermal degradation
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|c 2020
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 17.02.2020
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|a Date Revised 17.02.2020
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Spent lead paste is the main component in lead-acid batteries reaching end of life. It contains about 55% lead sulphate and 35% lead dioxide, as well as minor amounts of lead oxide. It is necessary to recycle spent lead paste with minimal pollution and low energy consumption instead of the conventional smelting method. In this study, a novel approach involving hydrometallurgical desulphurisation and thermal degradation is developed to recover lead as PbO products from spent lead acid batteries. First, the desulphurisation effects and phase compositions of products with different transforming agents were compared, and the optimum conditions using (NH4)2CO3 as a transforming agent were determined. And then, the thermal degradation processes of both precursors lead carbonate and lead dioxide were investigated to prepare α-PbO, Pb3O4, and β-PbO products in argon and air atmospheres, respectively. Both the desulphurisation precursors and the calcination products were characterised by thermogravimetry and differential scanning calorimetry, X-ray diffraction, and scanning electron microscopy. The results showed that the lead oxide products were prepared, including α-PbO at 450°C in argon, Pb3O4 and β-PbO at 480°C and 620°C in air, respectively
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|a Journal Article
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|a Spent lead paste
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|a characterisation
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|a hydrometallurgical desulphurisation
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|a lead oxide
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| 650 |
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|a thermal degradation
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| 700 |
1 |
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|a Qin, Qingwei
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Dengqi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Guangqiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Cen, Yinjie
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liang, Jianyu
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 38(2020), 3 vom: 04. März, Seite 263-270
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
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|g volume:38
|g year:2020
|g number:3
|g day:04
|g month:03
|g pages:263-270
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|u http://dx.doi.org/10.1177/0734242X19872263
|3 Volltext
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