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20231225214740.0 |
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231225s2021 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2021.362
|2 doi
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|a pubmed24n1106.xml
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|a (DE-627)NLM332026043
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|a DE-627
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|a eng
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1 |
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|a Tlili, Hiba
|e verfasserin
|4 aut
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|a Assessment of the performance of intermittent planted filters in treating urban wastewater under arid climate
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|c 2021
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 20.10.2021
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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 Intermittent planted filters are extensive biological purification techniques aimed at oxidizing and decontaminating urban wastewater at a low cost and with minimum environmental impacts. The main purpose of this study was to evaluate the performances of intermittent planted filters in treating urban wastewater under arid conditions of southern Tunisia. The experimental study was carried out on a pilot scale plant comprising five constructed gravel-sand basins. Screened urban wastewater effluent was intermittently applied with a daily hydraulic load of 400 L/m2. Several water quality parameters were monitored at the inlet and outlet of this treatment plant. The average removal rate were 94.8%, 92.3%, 99.3%, 89.9% and 93.3% for chemical and biological oxygen demand, total suspended solids, ammonium nitrogen and orthophosphate, respectively. Additionally, results demonstrated that this treatment system is capable of removing 3.67, 3.22 and 2.44 log units of total and faecal coliforms, and faecal streptococci, respectively. Results showed that Phragmites australis allowed the development of biofilm in the sand filter beds, improving their purification efficiency. Furthermore, no bio-sludge production, no mechanical aeration, low energy requirement (0.02 kW/m2) and green aesthetic ambience are the additional particular strengths of the proposed pilot plant
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|a Journal Article
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|a Sewage
|2 NLM
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|a Waste Water
|2 NLM
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|a Bali, Mahmoud
|e verfasserin
|4 aut
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|a Boukchina, Rachid
|e verfasserin
|4 aut
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| 773 |
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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 84(2021), 7 vom: 11. Okt., Seite 1704-1714
|w (DE-627)NLM098149431
|x 0273-1223
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|g volume:84
|g year:2021
|g number:7
|g day:11
|g month:10
|g pages:1704-1714
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|u http://dx.doi.org/10.2166/wst.2021.362
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