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231224s2014 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2013.10.031
|2 doi
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|a pubmed25n0775.xml
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|a eng
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|a Rocchetti, Laura
|e verfasserin
|4 aut
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|a Environmental burdens in the management of end-of-life cathode ray tubes
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|c 2014
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 15.09.2014
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|a Date Revised 20.01.2014
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2013 Elsevier Ltd. All rights reserved.
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|a We compared the environmental burdens in the management of end-of life cathode ray tubes (CRTs) within two frameworks according to the different technologies of the production of televisions/monitors. In the first case, CRT recycling is addressed to the recovery of the panel and funnel glass for the manufacturing of new CRT screens. In the second case, where flat screen technology has replaced that of CRT, the recycling is addressed to the recovery of the glass cullet and lead for other applications. The impacts were evaluated according to the problem-oriented methodology of the Institute of Environmental Sciences, Leiden University, Leiden, The Netherlands. Our data confirm that in both cases, the recycling treatment allows benefits to be gained for the environment through the recovery of the secondary raw materials. These benefits are higher for the "CRT technology" framework (1 kg CO2 saved per CRT) than for the "flat screen technology" (0.9 kg CO2 saved, per CRT, as the highest possible), mainly due to the high energy consumption for lead separation from the funnel glass. Furthermore, the recovery of yttrium from the fluorescent powders that are a residue of the recycling treatment would further improve the CO2 credit for both the frameworks considered, which would provide a further saving of about 0.75 kg CO2 per CRT, net of the energy and raw materials needed for the recovery. Overall, this study confirms that, even with a change in the destination of the recovered materials, the recycling processes provide a benefit for the environment: indeed the higher loads for the environment are balanced by avoiding the primary production of the recovered materials
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|a Journal Article
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|a End-of-life CRT
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|a Environmental impacts
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|a Life-cycle assessment
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|a Recycling
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|a Yttrium
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|a Powders
|2 NLM
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|a Yttrium
|2 NLM
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| 650 |
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|a 58784XQC3Y
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| 700 |
1 |
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|a Beolchini, Francesca
|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 34(2014), 2 vom: 01. Feb., Seite 468-74
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnas
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| 773 |
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|g volume:34
|g year:2014
|g number:2
|g day:01
|g month:02
|g pages:468-74
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|u http://dx.doi.org/10.1016/j.wasman.2013.10.031
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