Enhanced treatment of secondary municipal wastewater effluent : comparing (biological) filtration and ozonation in view of micropollutant removal, unselective effluent toxicity, and the potential for real-time control

Ozonation and three (biological) filtration techniques (trickling filtration (TF), slow sand filtration (SSF) and biological activated carbon (BAC) filtration) have been evaluated in different combinations as tertiary treatment for municipal wastewater effluent. The removal of 18 multi-class pharmac...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 76(2017), 1-2 vom: 16. Juli, Seite 236-246
1. Verfasser: Chys, Michael (VerfasserIn)
Weitere Verfasser: Demeestere, Kristof, Ingabire, Ange Sabine, Dries, Jan, Van Langenhove, Herman, Van Hulle, Stijn W H
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Comparative Study Journal Article Waste Water Water Pollutants, Chemical Charcoal 16291-96-6 Ozone 66H7ZZK23N Silicon Dioxide 7631-86-9
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245 1 0 |a Enhanced treatment of secondary municipal wastewater effluent  |b comparing (biological) filtration and ozonation in view of micropollutant removal, unselective effluent toxicity, and the potential for real-time control 
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520 |a Ozonation and three (biological) filtration techniques (trickling filtration (TF), slow sand filtration (SSF) and biological activated carbon (BAC) filtration) have been evaluated in different combinations as tertiary treatment for municipal wastewater effluent. The removal of 18 multi-class pharmaceuticals, as model trace organic contaminants (TrOCs), has been studied. (Biological) activated carbon filtration could reduce the amount of TrOCs significantly (>99%) but is cost-intensive for full-scale applications. Filtration techniques mainly depending on biodegradation mechanisms (TF and SSF) are found to be inefficient for TrOCs removal as a stand alone technique. Ozonation resulted in 90% removal of the total amount of quantified TrOCs, but a post-ozonation step is needed to cope with an increased unselective toxicity. SSF following ozonation showed to be the only technique able to reduce the unselective toxicity to the same level as before ozonation. In view of process control, innovative correlation models developed for the monitoring and control of TrOC removal during ozonation, are verified for their applicability during ozonation in combination with TF, SSF or BAC. Particularly for the poorly ozone reactive TrOCs, statistically significant models were obtained that correlate TrOC removal and reduction in UVA254 as an online measured surrogate parameter 
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650 7 |a 16291-96-6  |2 NLM 
650 7 |a Ozone  |2 NLM 
650 7 |a 66H7ZZK23N  |2 NLM 
650 7 |a Silicon Dioxide  |2 NLM 
650 7 |a 7631-86-9  |2 NLM 
700 1 |a Demeestere, Kristof  |e verfasserin  |4 aut 
700 1 |a Ingabire, Ange Sabine  |e verfasserin  |4 aut 
700 1 |a Dries, Jan  |e verfasserin  |4 aut 
700 1 |a Van Langenhove, Herman  |e verfasserin  |4 aut 
700 1 |a Van Hulle, Stijn W H  |e verfasserin  |4 aut 
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773 1 8 |g volume:76  |g year:2017  |g number:1-2  |g day:16  |g month:07  |g pages:236-246 
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