A novel denitrifying phosphorus removal and partial nitrification, anammox (DPR-PNA) process for advanced nutrients removal from high-strength wastewater
This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total ino...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhang, Xingxing [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: MPI vs Fortran coarrays beyond 100k cores: 3D cellular automata - Shterenlikht, Anton ELSEVIER, 2019, chemistry, biology and toxicology as related to environmental problems, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:265 ; year:2021 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.chemosphere.2020.129165 |
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ELV052548619 |
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| 245 | 1 | 0 | |a A novel denitrifying phosphorus removal and partial nitrification, anammox (DPR-PNA) process for advanced nutrients removal from high-strength wastewater |
| 264 | 1 | |c 2021transfer abstract | |
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| 520 | |a This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. | ||
| 520 | |a This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. | ||
| 650 | 7 | |a Denitrifying phosphorus removal (DPR) |2 Elsevier | |
| 650 | 7 | |a Biological nutrient removal |2 Elsevier | |
| 650 | 7 | |a Anammox |2 Elsevier | |
| 650 | 7 | |a Partial nitrification (PN) |2 Elsevier | |
| 650 | 7 | |a Low C/N ratio |2 Elsevier | |
| 700 | 1 | |a Wang, Chaochao |4 oth | |
| 700 | 1 | |a Wu, Peng |4 oth | |
| 700 | 1 | |a Xia, Yunkang |4 oth | |
| 700 | 1 | |a Chen, Ya |4 oth | |
| 700 | 1 | |a Liu, Wenru |4 oth | |
| 700 | 1 | |a Xu, Lezhong |4 oth | |
| 700 | 1 | |a Faustin, Fangnigbe |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Shterenlikht, Anton ELSEVIER |t MPI vs Fortran coarrays beyond 100k cores: 3D cellular automata |d 2019 |d chemistry, biology and toxicology as related to environmental problems |g Amsterdam [u.a.] |w (DE-627)ELV002112701 |
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10.1016/j.chemosphere.2020.129165 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001330.pica (DE-627)ELV052548619 (ELSEVIER)S0045-6535(20)33362-2 DE-627 ger DE-627 rakwb eng 004 620 VZ 54.25 bkl Zhang, Xingxing verfasserin aut A novel denitrifying phosphorus removal and partial nitrification, anammox (DPR-PNA) process for advanced nutrients removal from high-strength wastewater 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. Denitrifying phosphorus removal (DPR) Elsevier Biological nutrient removal Elsevier Anammox Elsevier Partial nitrification (PN) Elsevier Low C/N ratio Elsevier Wang, Chaochao oth Wu, Peng oth Xia, Yunkang oth Chen, Ya oth Liu, Wenru oth Xu, Lezhong oth Faustin, Fangnigbe oth Enthalten in Elsevier Science Shterenlikht, Anton ELSEVIER MPI vs Fortran coarrays beyond 100k cores: 3D cellular automata 2019 chemistry, biology and toxicology as related to environmental problems Amsterdam [u.a.] (DE-627)ELV002112701 volume:265 year:2021 pages:0 https://doi.org/10.1016/j.chemosphere.2020.129165 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.25 Parallele Datenverarbeitung VZ AR 265 2021 0 |
| spelling |
10.1016/j.chemosphere.2020.129165 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001330.pica (DE-627)ELV052548619 (ELSEVIER)S0045-6535(20)33362-2 DE-627 ger DE-627 rakwb eng 004 620 VZ 54.25 bkl Zhang, Xingxing verfasserin aut A novel denitrifying phosphorus removal and partial nitrification, anammox (DPR-PNA) process for advanced nutrients removal from high-strength wastewater 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. Denitrifying phosphorus removal (DPR) Elsevier Biological nutrient removal Elsevier Anammox Elsevier Partial nitrification (PN) Elsevier Low C/N ratio Elsevier Wang, Chaochao oth Wu, Peng oth Xia, Yunkang oth Chen, Ya oth Liu, Wenru oth Xu, Lezhong oth Faustin, Fangnigbe oth Enthalten in Elsevier Science Shterenlikht, Anton ELSEVIER MPI vs Fortran coarrays beyond 100k cores: 3D cellular automata 2019 chemistry, biology and toxicology as related to environmental problems Amsterdam [u.a.] (DE-627)ELV002112701 volume:265 year:2021 pages:0 https://doi.org/10.1016/j.chemosphere.2020.129165 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.25 Parallele Datenverarbeitung VZ AR 265 2021 0 |
| allfields_unstemmed |
10.1016/j.chemosphere.2020.129165 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001330.pica (DE-627)ELV052548619 (ELSEVIER)S0045-6535(20)33362-2 DE-627 ger DE-627 rakwb eng 004 620 VZ 54.25 bkl Zhang, Xingxing verfasserin aut A novel denitrifying phosphorus removal and partial nitrification, anammox (DPR-PNA) process for advanced nutrients removal from high-strength wastewater 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. Denitrifying phosphorus removal (DPR) Elsevier Biological nutrient removal Elsevier Anammox Elsevier Partial nitrification (PN) Elsevier Low C/N ratio Elsevier Wang, Chaochao oth Wu, Peng oth Xia, Yunkang oth Chen, Ya oth Liu, Wenru oth Xu, Lezhong oth Faustin, Fangnigbe oth Enthalten in Elsevier Science Shterenlikht, Anton ELSEVIER MPI vs Fortran coarrays beyond 100k cores: 3D cellular automata 2019 chemistry, biology and toxicology as related to environmental problems Amsterdam [u.a.] (DE-627)ELV002112701 volume:265 year:2021 pages:0 https://doi.org/10.1016/j.chemosphere.2020.129165 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.25 Parallele Datenverarbeitung VZ AR 265 2021 0 |
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10.1016/j.chemosphere.2020.129165 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001330.pica (DE-627)ELV052548619 (ELSEVIER)S0045-6535(20)33362-2 DE-627 ger DE-627 rakwb eng 004 620 VZ 54.25 bkl Zhang, Xingxing verfasserin aut A novel denitrifying phosphorus removal and partial nitrification, anammox (DPR-PNA) process for advanced nutrients removal from high-strength wastewater 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. Denitrifying phosphorus removal (DPR) Elsevier Biological nutrient removal Elsevier Anammox Elsevier Partial nitrification (PN) Elsevier Low C/N ratio Elsevier Wang, Chaochao oth Wu, Peng oth Xia, Yunkang oth Chen, Ya oth Liu, Wenru oth Xu, Lezhong oth Faustin, Fangnigbe oth Enthalten in Elsevier Science Shterenlikht, Anton ELSEVIER MPI vs Fortran coarrays beyond 100k cores: 3D cellular automata 2019 chemistry, biology and toxicology as related to environmental problems Amsterdam [u.a.] (DE-627)ELV002112701 volume:265 year:2021 pages:0 https://doi.org/10.1016/j.chemosphere.2020.129165 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.25 Parallele Datenverarbeitung VZ AR 265 2021 0 |
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10.1016/j.chemosphere.2020.129165 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001330.pica (DE-627)ELV052548619 (ELSEVIER)S0045-6535(20)33362-2 DE-627 ger DE-627 rakwb eng 004 620 VZ 54.25 bkl Zhang, Xingxing verfasserin aut A novel denitrifying phosphorus removal and partial nitrification, anammox (DPR-PNA) process for advanced nutrients removal from high-strength wastewater 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. Denitrifying phosphorus removal (DPR) Elsevier Biological nutrient removal Elsevier Anammox Elsevier Partial nitrification (PN) Elsevier Low C/N ratio Elsevier Wang, Chaochao oth Wu, Peng oth Xia, Yunkang oth Chen, Ya oth Liu, Wenru oth Xu, Lezhong oth Faustin, Fangnigbe oth Enthalten in Elsevier Science Shterenlikht, Anton ELSEVIER MPI vs Fortran coarrays beyond 100k cores: 3D cellular automata 2019 chemistry, biology and toxicology as related to environmental problems Amsterdam [u.a.] (DE-627)ELV002112701 volume:265 year:2021 pages:0 https://doi.org/10.1016/j.chemosphere.2020.129165 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U 54.25 Parallele Datenverarbeitung VZ AR 265 2021 0 |
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a novel denitrifying phosphorus removal and partial nitrification, anammox (dpr-pna) process for advanced nutrients removal from high-strength wastewater |
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A novel denitrifying phosphorus removal and partial nitrification, anammox (DPR-PNA) process for advanced nutrients removal from high-strength wastewater |
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This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. |
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This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. |
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This study developed a novel DPR-PNA (denitrifying phosphorus removal, partial nitrification and anammox) process for sustaining high-strength wastewater treatment in a modified continuous flow reactor without external carbon source. After 259-days operation, a synchronous highly-efficient total inorganic nitrogen, PO4 3--P and CODcr removal efficiencies of 88.5%, 89.5% and 90.1% were obtained, respectively even influent nitrogen loading rate up to 3.2 kg m−3 d−1. Batch tests revealed that denitrifying phosphorus accumulating organisms (DPAOs) using NO3 −-N as electron acceptors significantly enriched (74% in total PAOs), which emerged remarkable positive impacts on deep-level nutrient removal as the key limiting factor. Furthermore, the NO2 −-N inhibitory threshold value (∼20.0 mg L−1) for DPAOs was identified, which demonstrated as an inhibitory component in excessive recycling NOx −-N. From the molecular biology perspective, Dechloromonas-DPAOs group (18.59%) dominated the excellent dephosphatation performance, while Nitrosomonas-AOB (ammonia oxidizing bacteria) group (16.26%) and Candidatus_Brocadia-AnAOB (anammox bacteria) group (15.12%) were responsible for the desirable nitrogen loss process. Overall, the present work highlighted the novel DPR-PNA process for nutrients removal is a promising alternation for wastewater of high nitrogen but low carbon. |
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