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01000naa a22002652 4500 |
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NLM204198178 |
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DE-627 |
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20231223231601.0 |
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tu |
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231223s2010 xx ||||| 00| ||eng c |
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|a pubmed24n0681.xml
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|a (DE-627)NLM204198178
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|a (NLM)21141389
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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 Wait, Isaac W
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Model of radiation transmittance by inorganic fouling on UV reactor lamp sleeves
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| 264 |
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1 |
|c 2010
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| 336 |
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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| 338 |
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|a Band
|b nc
|2 rdacarrier
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| 500 |
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|a Date Completed 04.01.2011
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|a Date Revised 23.09.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a The efficacy of UV disinfection of water depends on the ability of radiation to pass from UV lamps through the quartz sleeves that encase them; the accumulation of metal-containing foulants on sleeve surfaces inhibits disinfection by absorbing radiation that would otherwise be available for inactivation. In a series of experiments, the composition and quantity of sleeve foulants were studied relative to water chemistry and sleeve transmittance. Findings indicate that iron and calcium dominate fouling, with elevated fouling activity by iron, aluminum, manganese, and zinc. A regression-based modeling approach was used to characterize and quantify the effects of foulant metals on UV absorbance. The molar extinction coefficient for iron was found to be more than 3 times greater than that of calcium. Iron's relatively high activity in fouling reactions, elevated capacity to absorb UV, and reduced solubility under oxidizing conditions makes it a fouling precursor of particular concern, with respect to potential for sleeve fouling in UV reactors
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|a Journal Article
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|a Water
|2 NLM
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|a 059QF0KO0R
|2 NLM
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| 700 |
1 |
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|a Blatchley, Ernest R
|c 3rd
|e verfasserin
|4 aut
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| 773 |
0 |
8 |
|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 82(2010), 11 vom: 15. Nov., Seite 2272-8
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
8 |
|g volume:82
|g year:2010
|g number:11
|g day:15
|g month:11
|g pages:2272-8
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|a AR
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|d 82
|j 2010
|e 11
|b 15
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|h 2272-8
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