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231224s2017 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2016.08.005
|2 doi
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|a pubmed24n0878.xml
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|a (DE-627)NLM263596885
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|a (NLM)27543176
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|a (PII)S0956-053X(16)30430-5
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Buzatu, Traian
|e verfasserin
|4 aut
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|a Studies on mathematical modeling of the leaching process in order to efficiently recover lead from the sulfate/oxide lead paste
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|c 2017
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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 10.07.2017
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|a Date Revised 13.07.2017
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2016 Elsevier Ltd. All rights reserved.
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|a Increasing global lead consumption has been mainly supported by the acid battery manufacturing industry. As the lead demand will continue to grow, to provide the necessary lead will require an efficient approach to recycling lead acid batteries. In this paper was performed a mathematical modeling of the process parameters for lead recovery from spent lead-acid batteries. The results of the mathematical modeling compare well with the experimental data. The experimental method applied consists in the solubilisation of the sulfate/oxide paste with sodium hydroxide solutions followed by electrolytic processing for lead recovery. The parameters taken into considerations were NaOH molarity (4M, 6M and 8M), solid/liquid ratio - S/L (1/10, 1/30 and 1/50) and temperature (40°C, 60°C and 80°C). The optimal conditions resulted by mathematical modeling of the electrolytic process of lead deposition from alkaline solutions have been established by using a second-order orthogonal program, in order to obtain a maximum efficiency of current without exceeding an imposed energy specific consumption. The optimum value for the leaching recovery efficiency, obtained through mathematical modeling, was 89.647%, with an error of δy=3.623 which leads to a maximum recovery efficiency of 86.024%. The optimum values for each variable that ensure the lead extraction efficiency equal to 89.647% are the following: 3M - NaOH, 1/35 - S/L, 70°C - temperature
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|a Journal Article
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|a Leaching extraction efficiency
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|a Mathematical modeling
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|a NaOH solubilisation
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|a Sulfate/oxide lead paste
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|a Oxides
|2 NLM
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|a Lead
|2 NLM
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|a 2P299V784P
|2 NLM
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|a lead oxide
|2 NLM
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| 650 |
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|a 4IN6FN8492
|2 NLM
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| 650 |
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|a Sodium Hydroxide
|2 NLM
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| 650 |
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|a 55X04QC32I
|2 NLM
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| 650 |
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|a lead sulfate
|2 NLM
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| 650 |
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|a C516H654O8
|2 NLM
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| 700 |
1 |
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|a Ghica, Gabriel Valeriu
|e verfasserin
|4 aut
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|a Petrescu, Ionuţ Mircea
|e verfasserin
|4 aut
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| 700 |
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|a Iacob, Gheorghe
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Buzatu, Mihai
|e verfasserin
|4 aut
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| 700 |
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|a Niculescu, Florentina
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 60(2017) vom: 19. Feb., Seite 723-733
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:60
|g year:2017
|g day:19
|g month:02
|g pages:723-733
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|u http://dx.doi.org/10.1016/j.wasman.2016.08.005
|3 Volltext
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|d 60
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