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240801s2024 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2024.07.001
|2 doi
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|a pubmed24n1498.xml
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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 Barthet, Alexis
|e verfasserin
|4 aut
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1 |
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|a Advanced granulometric characterization of shredded waste printed circuit boards for sampling
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|c 2024
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|a Text
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 10.08.2024
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|a Date Revised 10.08.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2024 Elsevier Ltd. All rights reserved.
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|a Whether it be to measure their value before a trade, to calculate yields and optimize the recycling process or to check for the presence of harmful substances, Waste Electronic and Electric Equipments (WEEE) need to be characterized. Sampling can give an accurate assessment of the grade of a batch of WEEE, but quantifying the uncertainty around this estimate can be delicate. Pierre Gy's sampling theory of particulate matter studies how the latter is affected by the physical and chemical properties of the studied objects. However, its application requires a deep understanding of the correlations existing between their size, shape, volume, density, mass and grade, which are still unclear for WEEE fragments. Although average information is typically available on batches of WEEE, a more detailed description would be necessary to gain insight into such relationships. To start filling the gap, this paper focuses on the fine characterization of two different batches of waste printed circuit boards, crushed into pieces of about 10 mm. One by one, over 5,000 fragments were sampled, photographed and analyzed. Their individual mass, density, volume, thickness, surface, width and length were all measured separately. Based on their appearance, they were also sorted into four heuristic categories: plastic, metal, circuit boards and electronic components. Descriptive statistics of this novel granulometric database are shown here, throwing light on the unique correlations between the studied parameters and exhibiting a peculiar mass-size law. They point to new avenues on how to adapt Gy's sampling model to WEEE
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|a Journal Article
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|a Particulate Matter
|2 NLM
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| 700 |
1 |
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|a Chauris, Hervé
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Romary, Thomas
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Semetey, Vincent
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Chautru, Emilie
|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 187(2024) vom: 01. Aug., Seite 296-305
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
1 |
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|g volume:187
|g year:2024
|g day:01
|g month:08
|g pages:296-305
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|u http://dx.doi.org/10.1016/j.wasman.2024.07.001
|3 Volltext
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