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20231223095436.0 |
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231223s2006 xx ||||| 00| ||eng c |
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|a pubmed24n0543.xml
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|a (DE-627)NLM163011915
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|a (NLM)16722061
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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 |
1 |
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|a Lee, S H
|e verfasserin
|4 aut
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| 245 |
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|a Identification of the adverse effect of nitrate on the phosphate release rate and improvement of EBPR process models
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|c 2006
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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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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 07.11.2006
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|a Date Revised 17.09.2019
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|a published: Print
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|a Citation Status MEDLINE
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|a The adverse effect of nitrate on the phosphate release rate in the anaerobic phase was observed and was hardly explainable with conventional EBPR process models. Four possible mechanisms were proposed including substrate competition, reduced fermentation, parallel reaction and sequential reaction. Batch experiments were designed and conducted to identify the dominant mechanism. Results showed that the sequential reaction was the only possible mechanism where only denitrification occurred if any nitrate existed in the anaerobic phase. Then the phosphate release following after the nitrate was completely removed. Nitrate inhibition effect was added into the PHA storage rate to incorporate the sequential reaction in the conventional ASM3 plus EAWAG bio-P module (ASM3 + P). Nitrate inhibition coefficient, K(I,NO,PAO) was found to be as low as 0.05 mg/L. This correlated well with experimental observation where no also meant that the anaerobic compartment of a continuous flow reactor could be seriously affected by the residual nitrate contained in the sludge recycle flow. This phenomenon caused overestimation of the phosphate uptake rate and consequently underestimation of PO4(3-) -P concentration. This problem was resolved by incorporation of a nitrate inhibition term in the ASM3 + P for more accurate simulation of the EBPR process
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Nitrates
|2 NLM
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|a Phosphates
|2 NLM
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| 700 |
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|a Ko, J H
|e verfasserin
|4 aut
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| 700 |
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|a Kim, J R
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, Y J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, J J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Kim, C W
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lee, T H
|e verfasserin
|4 aut
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| 773 |
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8 |
|i Enthalten in
|t Water science and technology : a journal of the International Association on Water Pollution Research
|d 1986
|g 53(2006), 4-5 vom: 05., Seite 115-23
|w (DE-627)NLM098149431
|x 0273-1223
|7 nnns
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| 773 |
1 |
8 |
|g volume:53
|g year:2006
|g number:4-5
|g day:05
|g pages:115-23
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|d 53
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|h 115-23
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