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231224s2013 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2013.534
|2 doi
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|a eng
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|a Lefebvre, O
|e verfasserin
|4 aut
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|a Suitability of ozone pre-treatment for amoxicillin wastewater
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|c 2013
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|a Text
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|a ƒaComputermedien
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|a Date Completed 18.03.2014
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|a Date Revised 10.12.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a This study deals with the ozonation of amoxicillin in real pharmaceutical wastewater and its efficacy as a pre-treatment, prior to biological degradation by a mixed culture of bacteria in a sequencing batch reactor (SBR). An ozone utilization of 0.27 g/g-COD (chemical oxygen demand) lowered the pH of the wastewater to 6.6, reduced the specific ultraviolet absorption by 43% and increased the biochemical oxygen demand (BOD) concentration by 37%. The BOD:COD ratio became equal to 0.89, making the ozonated wastewater seemingly suitable for biological treatment; however, when the ozonated effluent was fed to the SBR, the reactor performance degraded, an effect which was attributed to ozonation by-products. In conclusion, ozonation might not be a suitable pre-treatment for pharmaceutical wastewater containing amoxicillin, and biotreatment with properly acclimated biomass may be a better option for treatment of such pharmaceutical wastewater
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|a Evaluation Study
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|a Water Pollutants, Chemical
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|a Ozone
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|a Amoxicillin
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|a Shi, X
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|a Tein, J G
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|a Ng, H Y
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|t Water science and technology : a journal of the International Association on Water Pollution Research
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|g 68(2013), 11 vom: 11., Seite 2492-6
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|u http://dx.doi.org/10.2166/wst.2013.534
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