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231223s2009 xx |||||o 00| ||eng c |
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|a 10.2166/wst.2009.304
|2 doi
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|a pubmed24n0632.xml
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|a (DE-627)NLM189438223
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|a (NLM)19542642
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|a DE-627
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|c DE-627
|e rakwb
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|a eng
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|a Yang, Q
|e verfasserin
|4 aut
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|a Advanced nitrogen removal via nitrite from municipal wastewater in a pilot-plant sequencing batch reactor
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|c 2009
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 10.09.2009
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|a Date Revised 21.11.2013
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|a published: Print
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|a Citation Status MEDLINE
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|a To obtain economically sustainable wastewater treatment, advanced nitrogen removal from municipal wastewater and the feasibility of achieving and stabilizing short-cut nitrification and denitrification were investigated in a pilot-plant sequencing batch reactor (SBR) with a working volume of 54 m(3). Advanced nitrogen removal, from summer to winter, with effluent TN lower than 3 mg/L and nitrogen removal efficiency above 98% was successfully achieved in pulsed-feed SBR. Through long-term application of process control in pulsed-feed SBR, nitrite accumulation reached above 95% at normal temperature of 25 degrees C. Even in winter, at the lowest temperature of 13 degrees C, nitrite was still the end production of nitrification and nitrite accumulation was higher than 90%. On the basis of achieving advanced nitrogen removal, short-cut nitrification and denitrification was also successfully achieved. Compare to the pulse-feed SBR with fixed time control, the dosage of carbon source and energy consumption in pulsed-feed SBR with process control were saved about 30% and 15% respectively. In pulsed-feed SBR with process control, nitrogen removal efficiency was greatly improved. Moreover, consumption of power and carbon source was further saved
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Emulsifying Agents
|2 NLM
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|a Nitrites
|2 NLM
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|a Nitrogen
|2 NLM
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|a N762921K75
|2 NLM
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|a Liu, X H
|e verfasserin
|4 aut
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|a Peng, Y Z
|e verfasserin
|4 aut
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|a Wang, S Y
|e verfasserin
|4 aut
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|a Sun, H W
|e verfasserin
|4 aut
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|a Gu, S B
|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 59(2009), 12 vom: 21., Seite 2371-7
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
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|g volume:59
|g year:2009
|g number:12
|g day:21
|g pages:2371-7
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|u http://dx.doi.org/10.2166/wst.2009.304
|3 Volltext
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