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231224s2016 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2015.11.002
|2 doi
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|a pubmed24n0848.xml
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|a (DE-627)NLM254596967
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|a (NLM)26564257
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|a (PII)S0956-053X(15)30187-2
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Biswas, Ranjit K
|e verfasserin
|4 aut
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|a Recovery of manganese and zinc from spent Zn-C cell powder
|b Experimental design of leaching by sulfuric acid solution containing glucose
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|c 2016
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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 21.12.2016
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|a Date Revised 05.08.2017
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2015 Elsevier Ltd. All rights reserved.
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|a The spent Zn-C cell powder, containing ZnMn2O4, ZnO, MnO(OH) and possibly Mn2O3 and Mn3O4, can be leached by a sulfuric acid solution mixed with some glucose. The leaching is found to be dependent on solid to liquid (S/L) ratio, amount of glucose, concentration of sulfuric acid solution, time and pulp agitation speed. For 5g powder (S), 1h leaching time and 300rpm pulp agitation speed, two-level four-factor (2(4)) experimental designs have been carried out to derive models for extraction of both Mn(II) and Zn(II). Amount of glucose (G, g), concentration of H2SO4 solution (C, mol/L), volume of H2SO4 solution as leachant (L, mL) and leaching temperature (T, °C) are considered as factors (variables). The model in both cases consists of mean, factor effects and interaction effects. The four-factor interaction effect is observed in neither of the cases. Some two-factor and three-factor effects are found to have produced positive or negative contributions to dissolution percentage in both cases. The models are examined for comparison with experimental results with good fits and also used for optimization of factors. At optimized condition (G=0.50g, C=2mol/L, L=250mL and T=100°C), an aliquot of 5g powder in 1h and at 300rpm produces a solution containing (7.08±0.10)g/L Mn(II) and (2.20±0.06)g/L Zn(II) corresponding to almost 100% extraction of both metal ions
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Factorial design
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|a Glucose
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|a H(2)SO(4)
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|a Manganese
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|a Spent Zn–C cell powder
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|a Zinc
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|a Environmental Pollutants
|2 NLM
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|a Sulfuric Acids
|2 NLM
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|a Manganese
|2 NLM
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|a 42Z2K6ZL8P
|2 NLM
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|a Carbon
|2 NLM
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|a 7440-44-0
|2 NLM
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|a Glucose
|2 NLM
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|a IY9XDZ35W2
|2 NLM
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|a Zinc
|2 NLM
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|a J41CSQ7QDS
|2 NLM
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|a sulfuric acid
|2 NLM
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|a O40UQP6WCF
|2 NLM
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|a Karmakar, Aneek K
|e verfasserin
|4 aut
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|a Kumar, Sree L
|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 51(2016) vom: 13. Mai, Seite 174-181
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:51
|g year:2016
|g day:13
|g month:05
|g pages:174-181
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|u http://dx.doi.org/10.1016/j.wasman.2015.11.002
|3 Volltext
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|a AR
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|d 51
|j 2016
|b 13
|c 05
|h 174-181
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