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231224s2013 xx ||||| 00| ||eng c |
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Wu, Shubiao
|e verfasserin
|4 aut
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|a Response of removal rates to various organic carbon and ammonium loads in laboratory-scale constructed wetlands treating artificial wastewater
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|c 2013
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|2 rdacarrier
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|a Date Completed 04.03.2013
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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 High levels (92 and 91%) of organic carbon were successfully removed from artificial wastewater by a laboratory-scale constructed wetland under inflow loads of 670 mg/m2 x d (100 mg/d) and 1600 mg/m2d (240 mg/d), respectively. Acidification to pH 3.0 was observed at the low organic carbon load, which further inhibited the denitrification process. An increase in carbon load, however, was associated with a significant elevation of pH to 6.0. In general, sulfate and nitrate reduction were relatively high, with mean levels of 87 and 90%, respectively. However, inhibition of nitrification was initiated with an increase in carbon loads. This effect was probably a result of competition for oxygen by heterotrophic bacteria and an inhibitory effect of sulfide (S2) toxicity (concentration approximately 3 mg/L). In addition, numbers of healthy stalks of Juncus effusus (common rush) decreased from 14 000 to 10 000/m2 with an increase of sulfide concentration, indicating the negative effect of sulfide toxicity on the wetland plants
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Organic Chemicals
|2 NLM
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|a Quaternary Ammonium Compounds
|2 NLM
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|a Waste Water
|2 NLM
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|a Carbon
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|a 7440-44-0
|2 NLM
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|a Kuschk, Peter
|e verfasserin
|4 aut
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|a Wiessner, Arndt
|e verfasserin
|4 aut
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|a Kästner, Matthias
|e verfasserin
|4 aut
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|a Pang, Changle
|e verfasserin
|4 aut
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|a Dong, Renjie
|e verfasserin
|4 aut
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 85(2013), 1 vom: 04. Jan., Seite 44-53
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
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|g volume:85
|g year:2013
|g number:1
|g day:04
|g month:01
|g pages:44-53
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|h 44-53
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