Response of nitrogen removal performance and microbial community to a wide range of pH in thermophilic denitrification system
Copyright © 2022 Elsevier Ltd. All rights reserved..
Thermophilic biological nitrogen removal would be a promising alternative to conventional approaches for the treatment of high-temperature wastewater. In this study, the response of thermophilic denitrification system (50 °C) to a wide range of pH (3-11) was investigated. The results showed that thermophilic denitrification could adapt to pH 5-11, but suffered from obvious nitrite and ammonia accumulation at pH 3. Microbial insights indicated that the enrichment of specific functional thermophiles has contributed to the tolerance towards unfavorable pH. Besides, the potential selecting advantage of nitrate reducing bacteria over nitrite reducing bacteria and the enrichment of dissimilatory nitrate reduction to ammonium (DNRA) bacteria could be responsible for the nitrite and ammonia accumulation at pH 3. Moreover, the functional gene prediction denoted higher narG/(nirK + nirS) and nrfA at pH 3, which could facilitate partial denitrification and DNRA. These findings could provide new insight into the application of thermophilic biological nitrogen removal.
| Medienart: |
E-Artikel |
|---|
| Erscheinungsjahr: |
2022 |
|---|---|
| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:352 |
|---|---|
| Enthalten in: |
Bioresource technology - 352(2022) vom: 15. Mai, Seite 127061 |
| Sprache: |
Englisch |
|---|
| Beteiligte Personen: |
Shi, Shuohui [VerfasserIn] |
|---|
| Links: |
|---|
| Themen: |
7664-41-7 |
|---|
| Anmerkungen: |
Date Completed 19.04.2022 Date Revised 19.04.2022 published: Print-Electronic Citation Status MEDLINE |
|---|
| doi: |
10.1016/j.biortech.2022.127061 |
|---|
| funding: |
|
|---|---|
| Förderinstitution / Projekttitel: |
|
| PPN (Katalog-ID): |
NLM338816380 |
|---|
| LEADER | 01000naa a22002652 4500 | ||
|---|---|---|---|
| 001 | NLM338816380 | ||
| 003 | DE-627 | ||
| 005 | 20231226001524.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 231226s2022 xx |||||o 00| ||eng c | ||
| 024 | 7 | |a 10.1016/j.biortech.2022.127061 |2 doi | |
| 028 | 5 | 2 | |a pubmed24n1129.xml |
| 035 | |a (DE-627)NLM338816380 | ||
| 035 | |a (NLM)35351554 | ||
| 035 | |a (PII)S0960-8524(22)00390-X | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rakwb | ||
| 041 | |a eng | ||
| 100 | 1 | |a Shi, Shuohui |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Response of nitrogen removal performance and microbial community to a wide range of pH in thermophilic denitrification system |
| 264 | 1 | |c 2022 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
| 338 | |a ƒa Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Date Completed 19.04.2022 | ||
| 500 | |a Date Revised 19.04.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2022 Elsevier Ltd. All rights reserved. | ||
| 520 | |a Thermophilic biological nitrogen removal would be a promising alternative to conventional approaches for the treatment of high-temperature wastewater. In this study, the response of thermophilic denitrification system (50 °C) to a wide range of pH (3-11) was investigated. The results showed that thermophilic denitrification could adapt to pH 5-11, but suffered from obvious nitrite and ammonia accumulation at pH 3. Microbial insights indicated that the enrichment of specific functional thermophiles has contributed to the tolerance towards unfavorable pH. Besides, the potential selecting advantage of nitrate reducing bacteria over nitrite reducing bacteria and the enrichment of dissimilatory nitrate reduction to ammonium (DNRA) bacteria could be responsible for the nitrite and ammonia accumulation at pH 3. Moreover, the functional gene prediction denoted higher narG/(nirK + nirS) and nrfA at pH 3, which could facilitate partial denitrification and DNRA. These findings could provide new insight into the application of thermophilic biological nitrogen removal | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Denitrification | |
| 650 | 4 | |a High temperature | |
| 650 | 4 | |a Microbial community structure | |
| 650 | 4 | |a Nitrate respiration | |
| 650 | 4 | |a Nitrogen removal | |
| 650 | 7 | |a Ammonium Compounds |2 NLM | |
| 650 | 7 | |a Nitrates |2 NLM | |
| 650 | 7 | |a Nitrites |2 NLM | |
| 650 | 7 | |a Ammonia |2 NLM | |
| 650 | 7 | |a 7664-41-7 |2 NLM | |
| 650 | 7 | |a Nitrogen |2 NLM | |
| 650 | 7 | |a N762921K75 |2 NLM | |
| 700 | 1 | |a He, Lei |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Ying |e verfasserin |4 aut | |
| 700 | 1 | |a Fan, Xing |e verfasserin |4 aut | |
| 700 | 1 | |a Lin, Ziyuan |e verfasserin |4 aut | |
| 700 | 1 | |a He, Xuejie |e verfasserin |4 aut | |
| 700 | 1 | |a Zhou, Jian |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Bioresource technology |d 1998 |g 352(2022) vom: 15. Mai, Seite 127061 |w (DE-627)NLM098247727 |x 1873-2976 |7 nnns |
| 773 | 1 | 8 | |g volume:352 |g year:2022 |g day:15 |g month:05 |g pages:127061 |
| 856 | 4 | 0 | |u http://dx.doi.org/10.1016/j.biortech.2022.127061 |3 Volltext |
| 912 | |a GBV_USEFLAG_A | ||
| 912 | |a GBV_NLM | ||
| 951 | |a AR | ||
| 952 | |d 352 |j 2022 |b 15 |c 05 |h 127061 | ||