About: Inhibition effect of free ammonia and free nitrous acid on nitrite-oxidising bacteria during sludge liquor treatment: influence of feeding strategy

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About: Inhibition effect of free ammonia and free nitrous acid on nitrite-oxidising bacteria during sludge liquor treatment: influence of feeding strategy Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The importance of feeding strategy for the long-term selective inhibition of nitrite-oxidising bacteria (NOB) was demonstrated by comparison of laboratory-scale bioreactors: CSTR and SBR. Sludge liquor containing ammonia nitrogen in a range of 970–1500 mg L-1 was the influent of the reactors. The experiments were performed at (23 ± 2) °C, with high concentration of dissolved oxygen (up to 8 mg L-1) and with unlimited sludge retention time. In the SBR, permanent restriction of NOB activity was achieved for more than 700 days by the strong inhibition effect of fluctuating concentrations of free ammonia and free nitrous acid during the operational cycles of SBR. In contrast, nitrite-oxidising bacteria were able to gradually adapt to the conditions prevailing in CSTR and produce nitrate although the concentration of free ammonia and free nitrous acid significantly exceeded inhibition limits for NOB activity in this system. The importance of feeding strategy for the long-term selective inhibition of nitrite-oxidising bacteria (NOB) was demonstrated by comparison of laboratory-scale bioreactors: CSTR and SBR. Sludge liquor containing ammonia nitrogen in a range of 970–1500 mg L-1 was the influent of the reactors. The experiments were performed at (23 ± 2) °C, with high concentration of dissolved oxygen (up to 8 mg L-1) and with unlimited sludge retention time. In the SBR, permanent restriction of NOB activity was achieved for more than 700 days by the strong inhibition effect of fluctuating concentrations of free ammonia and free nitrous acid during the operational cycles of SBR. In contrast, nitrite-oxidising bacteria were able to gradually adapt to the conditions prevailing in CSTR and produce nitrate although the concentration of free ammonia and free nitrous acid significantly exceeded inhibition limits for NOB activity in this system. (en)
Title	Inhibition effect of free ammonia and free nitrous acid on nitrite-oxidising bacteria during sludge liquor treatment: influence of feeding strategy Inhibition effect of free ammonia and free nitrous acid on nitrite-oxidising bacteria during sludge liquor treatment: influence of feeding strategy (en)
skos:prefLabel	Inhibition effect of free ammonia and free nitrous acid on nitrite-oxidising bacteria during sludge liquor treatment: influence of feeding strategy Inhibition effect of free ammonia and free nitrous acid on nitrite-oxidising bacteria during sludge liquor treatment: influence of feeding strategy (en)
skos:notation	RIV/60460709:41210/14:64094!RIV15-MZE-41210___
http://linked.open...avai/riv/aktivita	P R S
http://linked.open...avai/riv/aktivity	P(QI91C199), R, S
http://linked.open...iv/cisloPeriodika	7
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Hrnčířová, Helena Hanč, Aleš Švehla, Pavel Radechovský, Josef Pacek, Lukáš
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Česká zemědělská univerzita v Praze / Fakulta agrobiologie, potravinových a přírodních zdrojů
http://linked.open...dnocenehoVysledku	21842
http://linked.open...ai/riv/idVysledku	RIV/60460709:41210/14:64094
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	completely stirred tank reactor, free ammonia, free nitrous acid, inhibition, nitrite-oxidising bacteria, sequencing batch reactor (en)
http://linked.open.../riv/klicoveSlovo	free nitrous acid completely stirred tank reactor free ammonia nitrite-oxidising bacteria inhibition sequencing batch reactor
http://linked.open...odStatuVydavatele	SK - Slovenská republika
http://linked.open...ontrolniKodProRIV	[786DC546B0E0]
http://linked.open...i/riv/nazevZdroje	Chemical Papers-Chemicke zvesti
http://linked.open...in/vavai/riv/obor	DJ
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Optimization of farm vermicomposting technology
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	68
http://linked.open...iv/tvurceVysledku	Hanč, Aleš Jeníček, Pavel Švehla, Pavel Bartáček, Jan Pacek, Lukáš Radechovský, Josef Hrnčířová, Helena
http://linked.open...ain/vavai/riv/wos	000332958500003
issn	0366-6352
number of pages	8 (xsd:int)
http://localhost/t...ganizacniJednotka	41210

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