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231224s2018 xx |||||o 00| ||eng c |
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|a 10.1080/09593330.2017.1340344
|2 doi
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|a pubmed25n0908.xml
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|a (DE-627)NLM272719617
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|a (NLM)28592192
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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 Sahariah, Biju Prava
|e verfasserin
|4 aut
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|a Pyridine influence on a sequential anaerobic-anoxic-aerobic FMBR system for phenol, thiocyanate and ammonia removal
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|c 2018
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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
|b cr
|2 rdacarrier
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|a Date Completed 17.08.2018
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|a Date Revised 02.12.2018
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a A synthetic wastewater containing various pyridine concentrations (25-250 mg/L) was treated in a sequential anaerobic(B1)-anoxic(B2)-aerobic(B3) fed batch moving bed reactor (FMBR) system. Pyridine was associated with phenol (1500 mg/L), SCN- (800 mg/L), chemical oxygen demand (COD) (5400-5430 mg/L) and NH4+-N (500 mg/L) at hydraulic retention time (HRT) of 6 (B1: 3 days; B2 and B3: 1.5 days each) days. In B1, pyridine removal was 10-12% from influent concentration of 25-100 mg/L and beyond that, it was zero. Removal of phenol (53-39%) and COD (33-22%) occurred in B1, but pyridine above 50 mg/L inhibited both. In B2, 68-90% of pyridine removal occurred along with phenol (>98%), COD (>67%), SCN- (>85%) removal and denitrification. In B2, with an increase in pyridine loading removal rate of phenol, COD and nitrate increased, whereas SCN- removal decreased beyond pyridine loading of 0.031g/L day. In B3, nitrification decreased with high generation of free ammonia. Pyridine degradation in B1, B2 and B3 follows the Stover-Kincannon model with a maximum substrate removal rate of 111.1, 333.3 and 23.81 g/L day, respectively. Thiocyanate removal in B2 and ammonia removal in B3 follows the Bhatia inhibition model with a maximum substrate removal rate of 0.641 and 0.528/day, respectively. The overall efficiency of the FMBR system remained unaffected up to 250 mg pyridine/L at 6 days HRT
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|a Journal Article
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|a Fed batch moving bed reactor
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|a denitrification
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|a nitrification
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|a phenol
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|a pyridine
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|a thiocyanate
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|a Pyridines
|2 NLM
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|a Thiocyanates
|2 NLM
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|a Water Pollutants, Chemical
|2 NLM
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|a Phenol
|2 NLM
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|a 339NCG44TV
|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 Anandkumar, J
|e verfasserin
|4 aut
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|a Chakraborty, Saswati
|e verfasserin
|4 aut
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|i Enthalten in
|t Environmental technology
|d 1998
|g 39(2018), 14 vom: 07. Juli, Seite 1786-1794
|w (DE-627)NLM098202545
|x 1479-487X
|7 nnns
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|g volume:39
|g year:2018
|g number:14
|g day:07
|g month:07
|g pages:1786-1794
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|u http://dx.doi.org/10.1080/09593330.2017.1340344
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