Carbon sources derived from corncobs enhanced nitrogen removal in SBBR treating low C/N domestic sewage

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60460709%3A41330%2F22%3A91525" target="_blank" >RIV/60460709:41330/22:91525 - isvavai.cz</a>

Výsledek na webu

<a href="https://www.sciencedirect.com/science/article/pii/S0957582022007534" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0957582022007534</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.psep.2022.08.063" target="_blank" >10.1016/j.psep.2022.08.063</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Carbon sources derived from corncobs enhanced nitrogen removal in SBBR treating low C/N domestic sewage

Popis výsledku v původním jazyce

Domestic sewage has the characteristics of low carbon to nitrogen ratio (C/N), so an external carbon source is required to increase the denitrification performance of the system. Agricultural waste carbon sources have attracted much attention due to their wide range of sources and low cost. Therefore, this study investigated the corncob pretreated with acid and alkali as the external carbon source. Then the effect on nitrogen removal was further determined by sequencing batch biofilm reactor (SBBR). The results showed that the alkali pre-treated corncob had a higher carbon release capacity, the COD cumulative release amount was 123,5 mg/g L within 16 days. It had an excellent denitrification rate, with a total nitrogen removal rate of 90,1%. In addition, the denitrification rate of alkali pre-treated corncob (100 g) as a carbon source was equivalent to that of sodium acetate (influent C/N ratio: 15). At this time, the total nitrogen removal rate reached a maximum of more than 90%. Microbial community

Název v anglickém jazyce

Carbon sources derived from corncobs enhanced nitrogen removal in SBBR treating low C/N domestic sewage

Popis výsledku anglicky

Domestic sewage has the characteristics of low carbon to nitrogen ratio (C/N), so an external carbon source is required to increase the denitrification performance of the system. Agricultural waste carbon sources have attracted much attention due to their wide range of sources and low cost. Therefore, this study investigated the corncob pretreated with acid and alkali as the external carbon source. Then the effect on nitrogen removal was further determined by sequencing batch biofilm reactor (SBBR). The results showed that the alkali pre-treated corncob had a higher carbon release capacity, the COD cumulative release amount was 123,5 mg/g L within 16 days. It had an excellent denitrification rate, with a total nitrogen removal rate of 90,1%. In addition, the denitrification rate of alkali pre-treated corncob (100 g) as a carbon source was equivalent to that of sodium acetate (influent C/N ratio: 15). At this time, the total nitrogen removal rate reached a maximum of more than 90%. Microbial community

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20701 - Environmental and geological engineering, geotechnics

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2022

Kód důvěrnosti údajů

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

Název periodika

PROCESS SAFETY AND ENVIRONMENTAL PROTECTION

ISSN

0957-5820

e-ISSN

1744-3598

Svazek periodika

2022

Číslo periodika v rámci svazku

166

Stát vydavatele periodika

CZ - Česká republika

Počet stran výsledku

10

Strana od-do

628-637

Kód UT WoS článku

000852609100007

EID výsledku v databázi Scopus

2-s2.0-85137645390