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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1177/0734242X18785727
|2 doi
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|a pubmed24n0955.xml
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|a (DE-627)NLM286556243
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|a (NLM)30014768
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Zhuang, Xuning
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Stocks and environmental release of mercury in backlight cold cathode fluorescence lamps
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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| 338 |
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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| 500 |
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|a Date Completed 09.09.2019
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|a Date Revised 09.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Cold cathode fluorescent lamps (CCFLs), with mercury as their essential component, were widely used as backlight in liquid crystal display (LCD) appliances before 2008. Since 2008, the mercury-free light emitting diode started to be used as a substitute for CCFLs and the replacement finished in about 2014. Nowadays, CCFLs are obsolete products from the viewpoint of manufacture but they are important as waste. In recent years, large amounts of CCFLs are flowing to waste phase for treatment and this has become a major issue in most countries. To better understand and control the risk of CCFLs, the stock of mercury in CCFLs, its flow to waste phase and mercury emission with the life cycle of CCFLs in mainland China were estimated in this study. Results showed that there was 15.2 tons of mercury stocked in CCFLs in main LCD appliances (i.e., LCD televisions, LCD monitors, and laptop monitors) from 2003-2015. CCFLs and mercury started to flow to waste phase around the year 2007 and will likely peak in 2018 with an annual flow of 324.8 million units and 1.5 tons respectively, then will likely decline dramatically till 2030. Dismantling and production were the two main life stages of CCFLs with mercury vapor release, during which approximately 2.1 tons and 1.2 tons of mercury were released to the atmosphere respectively. The research also indicates that mercury recycling in specialized facilities was another life stage with high mercury emission risk in which the processes of shredding, separation, and residue disposal are inevitably accompanied by mercury release
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|a Journal Article
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|a Mercury
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|a Weibull distribution
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|a cold cathode fluorescent lamps
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| 650 |
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4 |
|a environmental release
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4 |
|a life cycle
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4 |
|a stock estimation
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| 650 |
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|a Mercury
|2 NLM
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| 650 |
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7 |
|a FXS1BY2PGL
|2 NLM
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| 700 |
1 |
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|a Wang, Yu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Yuan, Wenyi
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Bai, Jianfeng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jingwei
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Waste management & research : the journal of the International Solid Wastes and Public Cleansing Association, ISWA
|d 1991
|g 36(2018), 9 vom: 15. Sept., Seite 849-856
|w (DE-627)NLM098164791
|x 1096-3669
|7 nnns
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| 773 |
1 |
8 |
|g volume:36
|g year:2018
|g number:9
|g day:15
|g month:09
|g pages:849-856
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|u http://dx.doi.org/10.1177/0734242X18785727
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