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231224s2013 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2013.417
|2 doi
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|a pubmed24n0775.xml
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|a DE-627
|b ger
|c DE-627
|e rakwb
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| 041 |
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|a eng
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|a Umar, Muhammad
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Assessing the potential of a UV-based AOP for treating high-salinity municipal wastewater reverse osmosis concentrate
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|c 2013
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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
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|2 rdacarrier
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|a Date Completed 06.02.2014
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|a Date Revised 07.12.2022
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|a published: Print
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|a Citation Status MEDLINE
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|a The UVC/H(2)O(2) process was studied at laboratory scale for the treatment of one moderate (conductivity ∼8 mS/cm) and two high salinity (∼23 mS/cm) municipal wastewater reverse osmosis concentrate (ROC) samples with varying organic and inorganic characteristics. The process efficiency was characterized in terms of reduction of dissolved organic carbon (DOC), chemical oxygen demand (COD), colour and absorbance at 254 nm (A(254)), and the improvement of biodegradability. The reduction of colour and A(254) was significantly greater than for DOC and COD for all samples due to the greater breakdown of humic compounds, as confirmed by fluorescence excitation-emission matrix spectra. Fairly small differences in the reduction of DOC (26-38%) and COD (25-37%) were observed for all samples, suggesting that the salinity of the ROC did not have a significant impact on the UVC/H(2)O(2) treatment under the test conditions. The biodegradability of the treated ROC samples improved markedly (approximately 2-fold) after 60 min UVC/H(2)O(2) treatment. This study indicates the potential of UVC/H(2)O(2) treatment followed by biological processes for treating high-salinity concentrate, and the robustness of the process where the characteristics of the secondary effluent (influent to RO) and thus resultant ROC vary significantly
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|a Evaluation Study
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Waste Water
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Carbon
|2 NLM
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|a Hydrogen Peroxide
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|2 NLM
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| 700 |
1 |
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|a Roddick, Felicity
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Fan, Linhua
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 68(2013), 9 vom: 13., Seite 1994-9
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:68
|g year:2013
|g number:9
|g day:13
|g pages:1994-9
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|u http://dx.doi.org/10.2166/wst.2013.417
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