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231224s2017 xx |||||o 00| ||eng c |
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|a 10.2175/106143016X14733681696167
|2 doi
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|a pubmed24n0897.xml
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|a (DE-627)NLM26928799X
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|a (NLM)28236826
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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1 |
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|a Scott, Robert
|e verfasserin
|4 aut
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| 245 |
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|a Advanced Oxidation of Tartrazine and Brilliant Blue with Pulsed Ultraviolet Light Emitting Diodes
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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
|b cr
|2 rdacarrier
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|a Date Completed 08.06.2017
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|a Date Revised 08.10.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a This study investigated the effect of ultraviolet light-emitting diodes (UVLEDs) coupled with hydrogen peroxide as an advanced oxidation process (AOP) for the degradation of two test chemicals. Brilliant Blue FCF consistently exhibited greater degradation than tartrazine, with 83% degradation after 300 minutes at the 100% duty cycle compared with only 17% degradation of tartrazine under the same conditions. These differences are attributable to the structural properties of the compounds. Duty cycle was positively correlated with the first-order rate constants (k) for both chemicals but, interestingly, negatively correlated with the normalized first-order rate constants (k/duty cycle). Synergistic effects of both hydraulic mixing and LED duty cycle were manifested as novel oscillations in the effluent contaminant concentration. Further, LED output and efficiency were dependent upon duty cycle and less efficient over time perhaps due to heating effects on semiconductor performance
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|a Journal Article
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|a Benzenesulfonates
|2 NLM
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|a Coloring Agents
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|a Water Pollutants, Chemical
|2 NLM
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|a Hydrogen Peroxide
|2 NLM
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|a BBX060AN9V
|2 NLM
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|a brilliant blue
|2 NLM
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|a H3R47K3TBD
|2 NLM
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|a Tartrazine
|2 NLM
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|a I753WB2F1M
|2 NLM
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|a Mudimbi, Patrick
|e verfasserin
|4 aut
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|a Miller, Michael E
|e verfasserin
|4 aut
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|a Magnuson, Matthew
|e verfasserin
|4 aut
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|a Willison, Stuart
|e verfasserin
|4 aut
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|a Phillips, Rebecca
|e verfasserin
|4 aut
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|a Harper, Willie F
|c Jr
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 89(2017), 1 vom: 01. Jan., Seite 24-31
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
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|g volume:89
|g year:2017
|g number:1
|g day:01
|g month:01
|g pages:24-31
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|u http://dx.doi.org/10.2175/106143016X14733681696167
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