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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2022.08.009
|2 doi
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|a pubmed24n1152.xml
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|a (DE-627)NLM345665503
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|a (NLM)36049270
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|a (PII)S0956-053X(22)00417-2
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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 Wang, Xiao-Jian
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Sulfuric acid leaching of ball-milling activated FePO4 residue after lithium extraction from spent lithium iron phosphate cathode powder
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|c 2022
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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
|b cr
|2 rdacarrier
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|a Date Completed 18.10.2022
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|a Date Revised 18.10.2022
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2022 Elsevier Ltd. All rights reserved.
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|a A mechanical-chemical process is proposed to recover the iron phosphate residue(IPR)of spent lithium iron phosphate(LFP)after lithium extraction. In this process, the IPR was pretreated by ball-milling and leached with the sulfuric acid solution. The results showed that, under the optimized ball-milling conditions (a mass ratio of the stainless-steel-ball to material to water of 2:1:2.5, a milling time of 20 min), the maximum particle size of IPR decreased from 34.265 um to 13.102 um, the specific surface increased from 11.41 m2/g to 13.74 m2/g, and the cell volume distortion rate could reach 0.331 %. Under the optimized leaching conditions (a temperature of 333 K, a concentrated acid-to-material ratio of 0.46 mL/g, a liquid-to-solid ratio of 5:1 mL/g, and a stirring speed of 600 rpm), the leaching efficiency of iron phosphate could reach 98 %. The kinetic study indicated that the leaching was controlled by diffusion and chemical reaction with the apparent activation energy of 29 kJ/mol. The dissolution-precipitation phase transition of IPR was also found at high temperatures. This study illustrates that such a mechanical-chemical process is an effective way to improve the leaching efficiency of IPR with a lower sulfuric acid dosage, which has great potential in industrial applications
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|a Journal Article
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|a Ball-milling
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|a Mechanical-chemical process
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|a Sulfuric acid leaching
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|a The iron phosphate residue
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|a The spent lithium iron phosphate
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|a Phosphates
|2 NLM
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|a Powders
|2 NLM
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|a Sulfuric Acids
|2 NLM
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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|a Steel
|2 NLM
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|a 12597-69-2
|2 NLM
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| 650 |
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|a Lithium
|2 NLM
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|a 9FN79X2M3F
|2 NLM
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|a Iron
|2 NLM
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|a E1UOL152H7
|2 NLM
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| 650 |
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|a sulfuric acid
|2 NLM
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| 650 |
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|a O40UQP6WCF
|2 NLM
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| 700 |
1 |
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|a Zheng, Shi-Li
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Yang
|e verfasserin
|4 aut
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| 700 |
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|a Qiao, Shan
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Long, Zhi-Qi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhao, Bo
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Li, Zhe-Fei
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 153(2022) vom: 10. Nov., Seite 31-40
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:153
|g year:2022
|g day:10
|g month:11
|g pages:31-40
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|u http://dx.doi.org/10.1016/j.wasman.2022.08.009
|3 Volltext
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|d 153
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