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231225s2019 xx |||||o 00| ||eng c |
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|a 10.1002/wer.1139
|2 doi
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|a pubmed24n0989.xml
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|a (DE-627)NLM296900923
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|a (NLM)31070831
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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 Xie, Kang
|e verfasserin
|4 aut
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|a Performance and bacterial community composition of volcanic scoria particles (VSP) in a biological aerated filter (BAF) for micro-polluted source water treatment
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|c 2019
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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
|b cr
|2 rdacarrier
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|a Date Completed 11.10.2019
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|a Date Revised 11.10.2019
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|a published: Print-Electronic
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|a GENBANK: KP717508.1, EF700397.1, LC029408.1, JQ723677.1, JN679174.1, KC588303.1, GQ246753.1, FJ263934.1, JX843913.2, EF636170.1, DQ452585.1, KC735794.1, KP161408.1, HQ202472.1, KP161407.1, KM216490.1, KJ994818.1, KC735999.1
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|a Citation Status MEDLINE
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|a © 2019 Water Environment Federation.
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|a A laboratory-scale biological aerated filter (BAF), using volcanic scoria particles (VSP), was used for treating micro-polluted source water. The system reached a steady-state stage and performed better at removing pollutants. In steady-state stage, the effluent ammonia ( NH 4 + - N ) and chemical oxygen demand (COD) were consistently maintained below 0.3 and 3 mg/L, respectively. Both the NH 4 + - N and COD removal efficiencies decreased with shorter hydraulic retention time (HRT). The effluent NH 4 + - N and COD exceeded health standards at 15 min of HRT. Although performance was relatively poor for VSP-BAF at low temperature, the NH 4 + - N removal still achieved the drinking water quality standard. The influences of influent NH 4 + - N and COD concentration changes were similar to that of temperature. A better performance was observed in NH 4 + - N removal under higher influent NH 4 + - N concentrations. In contrast, the effluent COD was more than 3 mg/L when the influent COD concentrations increased to about 9 mg/L. The phylogenetic and cluster analyses indicated that the effect of HRT on bacteria community structure was higher than that of temperature, while the ammonia-oxidizing bacteria (AOB) are sensitive to temperature. The main phyla identified in total bacteria communities were Proteobacteria, Bacteroidetes, Firmicutes, and Nitrospirae. The main AOB were Nitrosomonadales and an uncultured ammonia-oxidizing bacterium. PRACTITIONER POINTS: The BAF using VSP obtained a good performance for treating micro-polluted source water. The influence of HRT on the system was more significant than that of temperature. The system is resistant to NH 4 + - N concentration shocks while is unable to withstand the COD increasing. The effect of HRT on bacteria community structure was significantly higher than that of temperature
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|a Journal Article
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|a ammonia-oxidizing bacteria
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|a bacterial community structure
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|a biological aerated filter
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|a micro-polluted source water
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|a temperature
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|a volcanic scoria particles
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| 700 |
1 |
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|a Wang, Bin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Qiu, Liping
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Shoubin
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jiabin
|e verfasserin
|4 aut
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| 700 |
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|a Liu, Guicai
|e verfasserin
|4 aut
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| 700 |
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|a Sun, Shaofang
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Water environment research : a research publication of the Water Environment Federation
|d 1998
|g 91(2019), 9 vom: 05. Sept., Seite 954-967
|w (DE-627)NLM098214292
|x 1554-7531
|7 nnns
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| 773 |
1 |
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|g volume:91
|g year:2019
|g number:9
|g day:05
|g month:09
|g pages:954-967
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|u http://dx.doi.org/10.1002/wer.1139
|3 Volltext
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