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|a (DE-627)NLM159171415
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|a (NLM)16312974
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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 Butler, M D
|e verfasserin
|4 aut
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|a Dinitrogen oxide detection for nitrification failure early warning systems
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|c 2005
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|a Text
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|a ohne Hilfsmittel zu benutzen
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|2 rdamedia
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|2 rdacarrier
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|a Date Completed 12.07.2006
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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 Experiments were conducted in order to establish whether N2O could be used to predict nitrification failure (through non-invasive means). Previous research had shown a strong correlation between N2O gas and NH3 in the effluent, giving rise to the possibility N2O can be used as an indicator for failure in the nitrification process. Two pilot-scale activated sludge plants were used, each with two lanes. The smaller consisted of a 601 aeration tank and a 201 clarifier; the larger pilot plant had an aeration tank of 3151 and a clarifier of 1001. The small pilot plant experiments showed that N2O gas was given off almost immediately from O2 deprivation/NH3 shock loads, but did not follow the expected trend of the time lag of NH3 in the effluent. This led to further investigation in the hydrodynamics and mixing characteristics of aeration basins, where a second larger pilot plant was used. Further experiments were conducted of high NH3 loadings and O2 deprivation, showed that work of was reproducible. However, it was also shown that with partial nitrification failure, a different N2O response of a continual rise was observed
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|a Comparative Study
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Sewage
|2 NLM
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|a Ammonia
|2 NLM
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|a 7664-41-7
|2 NLM
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|a Nitrous Oxide
|2 NLM
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|a K50XQU1029
|2 NLM
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|a Stephenson, T
|e verfasserin
|4 aut
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|a Stokes, L
|e verfasserin
|4 aut
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|a Stuetz, R M
|e verfasserin
|4 aut
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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 52(2005), 8 vom: 24., Seite 249-56
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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|g volume:52
|g year:2005
|g number:8
|g day:24
|g pages:249-56
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