How biomass growth mode affects ammonium oxidation start-up and NOB inhibition in the partial nitritation of cold and diluted reject water

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41210%2F19%3A79918" target="_blank" >RIV/60460709:41210/19:79918 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/60461373:22320/17:43913547 RIV/60461373:22320/19:43920111

Výsledek na webu

<a href="https://www.tandfonline.com/doi/full/10.1080/09593330.2017.1403491" target="_blank" >https://www.tandfonline.com/doi/full/10.1080/09593330.2017.1403491</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1080/09593330.2017.1403491" target="_blank" >10.1080/09593330.2017.1403491</a>

Jazyk výsledku

angličtina

Název v původním jazyce

How biomass growth mode affects ammonium oxidation start-up and NOB inhibition in the partial nitritation of cold and diluted reject water

Popis výsledku v původním jazyce

This work compares the start-up and stability of three partial nitritation (PN) sequencing batch reactors (SBRs) with biomass grown in one of the three modes: suspended sludge, biofilm and biomass encapsulated in polyvinyl alcohol (PVA) pellets. The SBRs were operated at 15gr.C with influent total ammonium nitrogen (TAN) concentrations of 75-600 mg-TAN L-1. PN start-up was twice as fast in the biofilm and encapsulated biomass SBRs than in the suspended sludge SBR. After start-up, PN in the biofilm and suspended sludge SBRs was stable at 150-600 mg-TAN L-1. But, at 75 mg-TAN L-1, full nitrification gradually developed. In the encapsulated biomass SBR, full nitrification occurred even at 600 mg-TAN L-1, showing that NOB in this set-up can adapt even to 4,3 mg of free ammonia per litter and 0,27 of free nitrous acid per litter. Thus, PN in the biofilm was best for the treatment of an influent containing 150-600 mg-TAN L-1.

Název v anglickém jazyce

How biomass growth mode affects ammonium oxidation start-up and NOB inhibition in the partial nitritation of cold and diluted reject water

Popis výsledku anglicky

This work compares the start-up and stability of three partial nitritation (PN) sequencing batch reactors (SBRs) with biomass grown in one of the three modes: suspended sludge, biofilm and biomass encapsulated in polyvinyl alcohol (PVA) pellets. The SBRs were operated at 15gr.C with influent total ammonium nitrogen (TAN) concentrations of 75-600 mg-TAN L-1. PN start-up was twice as fast in the biofilm and encapsulated biomass SBRs than in the suspended sludge SBR. After start-up, PN in the biofilm and suspended sludge SBRs was stable at 150-600 mg-TAN L-1. But, at 75 mg-TAN L-1, full nitrification gradually developed. In the encapsulated biomass SBR, full nitrification occurred even at 600 mg-TAN L-1, showing that NOB in this set-up can adapt even to 4,3 mg of free ammonia per litter and 0,27 of free nitrous acid per litter. Thus, PN in the biofilm was best for the treatment of an influent containing 150-600 mg-TAN L-1.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10511 - Environmental sciences (social aspects to be 5.7)

Projekt

<a href="/cs/project/QK1710176" target="_blank" >QK1710176: Dvoustupňová úprava kapalné frakce fermentačního zbytku umožňující racionální využití živin a vody</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

ENVIRONMENTAL TECHNOLOGY

ISSN

0959-3330

e-ISSN

1479-487X

Svazek periodika

40

Číslo periodika v rámci svazku

6

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

10

Strana od-do

673-682

Kód UT WoS článku

000456561600001

EID výsledku v databázi Scopus

2-s2.0-85034627737