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231225s2021 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2021.403
|2 doi
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|a pubmed25n1107.xml
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|a (DE-627)NLM33235119X
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|a (NLM)34695032
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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 |
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|a Yang, Ran
|e verfasserin
|4 aut
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|a Enhancing nitrate and phosphorus removal from stormwater in a fold-flow bioretention system with saturated zones
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|c 2021
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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 27.10.2021
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|a Date Revised 27.10.2021
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|a published: Print
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|a Citation Status MEDLINE
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|a The traditional bioretention systems possess a remarkably low nitrogen and phosphorus removal effect. The removal rate fluctuates greatly, and even appears as negative removal of nitrogen and phosphorus. Four simulated bioretention experimental columns with different bilayer media, packing composition and structure were constructed. Based on the traditional fillers, the modified composite fillers with hydroxy-aluminum and modified vermiculite sludge particle (HAVSP) were added. The traditional filler (C1) and the modified composite filler (C2) were added respectively, moreover saturated zones were set up to enhance the effect of nitrogen and phosphorus removal. Removal of nutrients from experimental columns by simulated runoff efficiency was evaluated and compared. In addition, the effect of media depth on phosphorus retention and denitrifying enzyme activity in bioretention columns was also evaluated. The experimental column #2 filled with C2 had the optimum removal effect on TP (93.70%), however, the removal effect of TP by filling C1 experimental columns was insufficient (57.36%). Designed to remove nitrate (NO3--N) and total nitrogen, the experimental column #4 showed the best performance (83.54% and 92.15%, respectively). In this study, we propose a fold-flow bioretention system by filling HAVSP in combination with saturated zones. The runoff water quality can be effectively improved, and a new bioretention cell configuration can be provided for efficient stormwater treatment
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|a Journal Article
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|a Nitrates
|2 NLM
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|a Phosphorus
|2 NLM
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| 650 |
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|a 27YLU75U4W
|2 NLM
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|a Nitrogen
|2 NLM
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| 650 |
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|a N762921K75
|2 NLM
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| 700 |
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|a Zheng-Rong, Fu
|e verfasserin
|4 aut
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|a Man-Ying, Ma
|e verfasserin
|4 aut
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| 700 |
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|a Xian, Liu
|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), 8 vom: 25. Okt., Seite 2079-2092
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnas
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| 773 |
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|g volume:84
|g year:2021
|g number:8
|g day:25
|g month:10
|g pages:2079-2092
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|u http://dx.doi.org/10.2166/wst.2021.403
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