Effects of earthworms and substrate on diversity and abundance of denitrifying genes (nirS and nirK) and denitrifying rate during rural domestic wastewater treatment
This study investigated the performance of an ecological filter (EF) and vermifiltration (VF) system, the effects of substrate and earthworms on the diversity and abundance of denitrifying genes coding for nitrite (nirS and nirK) reductases and on denitrifying rate, and the factors influencing denit...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Wang, Longmian [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Rechteinformationen: |
Nutzungsrecht: © Elsevier Ltd Copyright © 2016 Elsevier Ltd. All rights reserved. |
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| Übergeordnetes Werk: |
Enthalten in: Bioresource technology - Barking, Essex : Elsevier Applied Science, 1991, 212(2016), Seite 174-181 |
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| Übergeordnetes Werk: |
volume:212 ; year:2016 ; pages:174-181 |
| Links: |
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| DOI / URN: |
10.1016/j.biortech.2016.04.044 |
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| 520 | |a This study investigated the performance of an ecological filter (EF) and vermifiltration (VF) system, the effects of substrate and earthworms on the diversity and abundance of denitrifying genes coding for nitrite (nirS and nirK) reductases and on denitrifying rate, and the factors influencing denitrification. The majority of organic matter, ammonia nitrogen and total nitrogen from sewage was removed by the soil layer in both reactors, and their total removal efficiencies increased in VF compared with those in EF. Additionally, substrate in the reactors significantly influenced the Shannon diversity index and abundance of nirS and nirK, as well as the denitrifying rate. However, the earthworms only significantly influenced nirS diversity. Furthermore, evaluation of the factors controlling denitrification implied that increasing NH3-N availability, diversity and abundance of nirS and nirK or decreasing available NO3-N might be responsible for the enhanced denitrification activity obtained using VF for rural domestic wastewater treatment. | ||
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| 700 | 1 | |a Zhang, Yimin |4 oth | |
| 700 | 1 | |a Zhang, Jibiao |4 oth | |
| 700 | 1 | |a Luo, Xingzhang |4 oth | |
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10.1016/j.biortech.2016.04.044 doi PQ20160720 (DE-627)OLC1978967608 (DE-599)GBVOLC1978967608 (PRQ)c1562-5eda282651c02a92691507439249ab81b44ed70f783d34804bfdf0b87ebfa3860 (KEY)0052499920160000212000000174effectsofearthwormsandsubstrateondiversityandabund DE-627 ger DE-627 rakwb eng 570 DNB 58.00 bkl 50.00 bkl 43.00 bkl Wang, Longmian verfasserin aut Effects of earthworms and substrate on diversity and abundance of denitrifying genes (nirS and nirK) and denitrifying rate during rural domestic wastewater treatment 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier This study investigated the performance of an ecological filter (EF) and vermifiltration (VF) system, the effects of substrate and earthworms on the diversity and abundance of denitrifying genes coding for nitrite (nirS and nirK) reductases and on denitrifying rate, and the factors influencing denitrification. The majority of organic matter, ammonia nitrogen and total nitrogen from sewage was removed by the soil layer in both reactors, and their total removal efficiencies increased in VF compared with those in EF. Additionally, substrate in the reactors significantly influenced the Shannon diversity index and abundance of nirS and nirK, as well as the denitrifying rate. However, the earthworms only significantly influenced nirS diversity. Furthermore, evaluation of the factors controlling denitrification implied that increasing NH3-N availability, diversity and abundance of nirS and nirK or decreasing available NO3-N might be responsible for the enhanced denitrification activity obtained using VF for rural domestic wastewater treatment. Nutzungsrecht: © Elsevier Ltd Copyright © 2016 Elsevier Ltd. All rights reserved. Zhang, Yimin oth Zhang, Jibiao oth Luo, Xingzhang oth Zheng, Zheng oth Enthalten in Bioresource technology Barking, Essex : Elsevier Applied Science, 1991 212(2016), Seite 174-181 (DE-627)130957631 (DE-600)1065195-0 (DE-576)025181963 0960-8524 nnns volume:212 year:2016 pages:174-181 http://dx.doi.org/10.1016/j.biortech.2016.04.044 Volltext http://www.sciencedirect.com/science/article/pii/S0960852416305314 http://www.ncbi.nlm.nih.gov/pubmed/27099942 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-FOR GBV_ILN_70 GBV_ILN_4219 58.00 AVZ 50.00 AVZ 43.00 AVZ AR 212 2016 174-181 |
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10.1016/j.biortech.2016.04.044 doi PQ20160720 (DE-627)OLC1978967608 (DE-599)GBVOLC1978967608 (PRQ)c1562-5eda282651c02a92691507439249ab81b44ed70f783d34804bfdf0b87ebfa3860 (KEY)0052499920160000212000000174effectsofearthwormsandsubstrateondiversityandabund DE-627 ger DE-627 rakwb eng 570 DNB 58.00 bkl 50.00 bkl 43.00 bkl Wang, Longmian verfasserin aut Effects of earthworms and substrate on diversity and abundance of denitrifying genes (nirS and nirK) and denitrifying rate during rural domestic wastewater treatment 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier This study investigated the performance of an ecological filter (EF) and vermifiltration (VF) system, the effects of substrate and earthworms on the diversity and abundance of denitrifying genes coding for nitrite (nirS and nirK) reductases and on denitrifying rate, and the factors influencing denitrification. The majority of organic matter, ammonia nitrogen and total nitrogen from sewage was removed by the soil layer in both reactors, and their total removal efficiencies increased in VF compared with those in EF. Additionally, substrate in the reactors significantly influenced the Shannon diversity index and abundance of nirS and nirK, as well as the denitrifying rate. However, the earthworms only significantly influenced nirS diversity. Furthermore, evaluation of the factors controlling denitrification implied that increasing NH3-N availability, diversity and abundance of nirS and nirK or decreasing available NO3-N might be responsible for the enhanced denitrification activity obtained using VF for rural domestic wastewater treatment. Nutzungsrecht: © Elsevier Ltd Copyright © 2016 Elsevier Ltd. All rights reserved. Zhang, Yimin oth Zhang, Jibiao oth Luo, Xingzhang oth Zheng, Zheng oth Enthalten in Bioresource technology Barking, Essex : Elsevier Applied Science, 1991 212(2016), Seite 174-181 (DE-627)130957631 (DE-600)1065195-0 (DE-576)025181963 0960-8524 nnns volume:212 year:2016 pages:174-181 http://dx.doi.org/10.1016/j.biortech.2016.04.044 Volltext http://www.sciencedirect.com/science/article/pii/S0960852416305314 http://www.ncbi.nlm.nih.gov/pubmed/27099942 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-FOR GBV_ILN_70 GBV_ILN_4219 58.00 AVZ 50.00 AVZ 43.00 AVZ AR 212 2016 174-181 |
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10.1016/j.biortech.2016.04.044 doi PQ20160720 (DE-627)OLC1978967608 (DE-599)GBVOLC1978967608 (PRQ)c1562-5eda282651c02a92691507439249ab81b44ed70f783d34804bfdf0b87ebfa3860 (KEY)0052499920160000212000000174effectsofearthwormsandsubstrateondiversityandabund DE-627 ger DE-627 rakwb eng 570 DNB 58.00 bkl 50.00 bkl 43.00 bkl Wang, Longmian verfasserin aut Effects of earthworms and substrate on diversity and abundance of denitrifying genes (nirS and nirK) and denitrifying rate during rural domestic wastewater treatment 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier This study investigated the performance of an ecological filter (EF) and vermifiltration (VF) system, the effects of substrate and earthworms on the diversity and abundance of denitrifying genes coding for nitrite (nirS and nirK) reductases and on denitrifying rate, and the factors influencing denitrification. The majority of organic matter, ammonia nitrogen and total nitrogen from sewage was removed by the soil layer in both reactors, and their total removal efficiencies increased in VF compared with those in EF. Additionally, substrate in the reactors significantly influenced the Shannon diversity index and abundance of nirS and nirK, as well as the denitrifying rate. However, the earthworms only significantly influenced nirS diversity. Furthermore, evaluation of the factors controlling denitrification implied that increasing NH3-N availability, diversity and abundance of nirS and nirK or decreasing available NO3-N might be responsible for the enhanced denitrification activity obtained using VF for rural domestic wastewater treatment. Nutzungsrecht: © Elsevier Ltd Copyright © 2016 Elsevier Ltd. All rights reserved. Zhang, Yimin oth Zhang, Jibiao oth Luo, Xingzhang oth Zheng, Zheng oth Enthalten in Bioresource technology Barking, Essex : Elsevier Applied Science, 1991 212(2016), Seite 174-181 (DE-627)130957631 (DE-600)1065195-0 (DE-576)025181963 0960-8524 nnns volume:212 year:2016 pages:174-181 http://dx.doi.org/10.1016/j.biortech.2016.04.044 Volltext http://www.sciencedirect.com/science/article/pii/S0960852416305314 http://www.ncbi.nlm.nih.gov/pubmed/27099942 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-CHE SSG-OLC-PHA SSG-OLC-DE-84 SSG-OPC-FOR GBV_ILN_70 GBV_ILN_4219 58.00 AVZ 50.00 AVZ 43.00 AVZ AR 212 2016 174-181 |
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effects of earthworms and substrate on diversity and abundance of denitrifying genes (nirs and nirk) and denitrifying rate during rural domestic wastewater treatment |
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Effects of earthworms and substrate on diversity and abundance of denitrifying genes (nirS and nirK) and denitrifying rate during rural domestic wastewater treatment |
| abstract |
This study investigated the performance of an ecological filter (EF) and vermifiltration (VF) system, the effects of substrate and earthworms on the diversity and abundance of denitrifying genes coding for nitrite (nirS and nirK) reductases and on denitrifying rate, and the factors influencing denitrification. The majority of organic matter, ammonia nitrogen and total nitrogen from sewage was removed by the soil layer in both reactors, and their total removal efficiencies increased in VF compared with those in EF. Additionally, substrate in the reactors significantly influenced the Shannon diversity index and abundance of nirS and nirK, as well as the denitrifying rate. However, the earthworms only significantly influenced nirS diversity. Furthermore, evaluation of the factors controlling denitrification implied that increasing NH3-N availability, diversity and abundance of nirS and nirK or decreasing available NO3-N might be responsible for the enhanced denitrification activity obtained using VF for rural domestic wastewater treatment. |
| abstractGer |
This study investigated the performance of an ecological filter (EF) and vermifiltration (VF) system, the effects of substrate and earthworms on the diversity and abundance of denitrifying genes coding for nitrite (nirS and nirK) reductases and on denitrifying rate, and the factors influencing denitrification. The majority of organic matter, ammonia nitrogen and total nitrogen from sewage was removed by the soil layer in both reactors, and their total removal efficiencies increased in VF compared with those in EF. Additionally, substrate in the reactors significantly influenced the Shannon diversity index and abundance of nirS and nirK, as well as the denitrifying rate. However, the earthworms only significantly influenced nirS diversity. Furthermore, evaluation of the factors controlling denitrification implied that increasing NH3-N availability, diversity and abundance of nirS and nirK or decreasing available NO3-N might be responsible for the enhanced denitrification activity obtained using VF for rural domestic wastewater treatment. |
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This study investigated the performance of an ecological filter (EF) and vermifiltration (VF) system, the effects of substrate and earthworms on the diversity and abundance of denitrifying genes coding for nitrite (nirS and nirK) reductases and on denitrifying rate, and the factors influencing denitrification. The majority of organic matter, ammonia nitrogen and total nitrogen from sewage was removed by the soil layer in both reactors, and their total removal efficiencies increased in VF compared with those in EF. Additionally, substrate in the reactors significantly influenced the Shannon diversity index and abundance of nirS and nirK, as well as the denitrifying rate. However, the earthworms only significantly influenced nirS diversity. Furthermore, evaluation of the factors controlling denitrification implied that increasing NH3-N availability, diversity and abundance of nirS and nirK or decreasing available NO3-N might be responsible for the enhanced denitrification activity obtained using VF for rural domestic wastewater treatment. |
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Effects of earthworms and substrate on diversity and abundance of denitrifying genes (nirS and nirK) and denitrifying rate during rural domestic wastewater treatment |
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http://dx.doi.org/10.1016/j.biortech.2016.04.044 http://www.sciencedirect.com/science/article/pii/S0960852416305314 http://www.ncbi.nlm.nih.gov/pubmed/27099942 |
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Zhang, Yimin Zhang, Jibiao Luo, Xingzhang Zheng, Zheng |
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