Conversion of full nitritation to partial nitritation/anammox in a continuous granular reactor for low-strength ammonium wastewater treatment at 20 °C
The feasibility of converting full nitritation to partial nitritation/anammox (PN/A) at ambient temperature (20 °C) was investigated in a continuous granular reactor. The process was conducted without anammox bacteria inoculation for the treatment of 70 mg L −1 of low-strength ammonium nitrogen wast...
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| Veröffentlicht in: | Biodegradation (Dordrecht) 2021-02, Vol.32 (1), p.87-98 |
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| creator | Qian, Feiyue Huang, Ziheng Liu, Yuxin Grace, Olatidoye Omo wumi Wang, Jianfang Shi, Guangyu |
| description | The feasibility of converting full nitritation to partial nitritation/anammox (PN/A) at ambient temperature (20 °C) was investigated in a continuous granular reactor. The process was conducted without anammox bacteria inoculation for the treatment of 70 mg L
−1
of low-strength ammonium nitrogen wastewater. Following the stepwise increase of the nitrogen loading rate from 0.84 to 1.30 kg N m
−3
d
−1
in 320 days of operation, the removal efficiency of total inorganic nitrogen (TIN) exceeded 80% under oxygen-limiting conditions. The mature PN/A granules, which had a compact structure and abundant biomass, exhibited a specific TIN removal rate of 0.11 g N g
−1
VSS d
−1
and a settling velocity of 70.2 m h
−1
. This was comparable with that obtained at above 30 °C in previous reports. High-throughput pyrosequencing results revealed that the co-enrichment of aerobic and anaerobic ammonium-oxidizing bacteria identified as genera
Nitrosomonas
and
Candidatus
Kuenenia, which prompted a hybrid competition for oxygen and nitrite with nitrite-oxidizing bacteria (NOB). However, the overgrowth of novel NOB
Candidatus
Nitrotoga adapted to low temperatures and low nitrite concentration could potentially deteriorate the one-stage PN/A process by exhausting residual bulk ammonium under long-term excessive aeration. |
| doi_str_mv | 10.1007/s10532-020-09923-w |
| format | Article |
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−1
of low-strength ammonium nitrogen wastewater. Following the stepwise increase of the nitrogen loading rate from 0.84 to 1.30 kg N m
−3
d
−1
in 320 days of operation, the removal efficiency of total inorganic nitrogen (TIN) exceeded 80% under oxygen-limiting conditions. The mature PN/A granules, which had a compact structure and abundant biomass, exhibited a specific TIN removal rate of 0.11 g N g
−1
VSS d
−1
and a settling velocity of 70.2 m h
−1
. This was comparable with that obtained at above 30 °C in previous reports. High-throughput pyrosequencing results revealed that the co-enrichment of aerobic and anaerobic ammonium-oxidizing bacteria identified as genera
Nitrosomonas
and
Candidatus
Kuenenia, which prompted a hybrid competition for oxygen and nitrite with nitrite-oxidizing bacteria (NOB). However, the overgrowth of novel NOB
Candidatus
Nitrotoga adapted to low temperatures and low nitrite concentration could potentially deteriorate the one-stage PN/A process by exhausting residual bulk ammonium under long-term excessive aeration.</description><identifier>ISSN: 0923-9820</identifier><identifier>EISSN: 1572-9729</identifier><identifier>DOI: 10.1007/s10532-020-09923-w</identifier><identifier>PMID: 33449262</identifier><language>eng</language><publisher>Dordrecht: Springer Netherlands</publisher><subject>Aeration ; Ambient temperature ; Ammonia-oxidizing bacteria ; Ammonium ; Ammonium Compounds ; Aquatic Pollution ; Bacteria ; Biodegradation, Environmental ; Biomedical and Life Sciences ; Bioreactors ; Candidatus Kuenenia ; Candidatus Nitrotoga ; Exhausting ; Feasibility studies ; Geochemistry ; Inoculation ; Life Sciences ; Load distribution ; Loading rate ; Low temperature ; Microbiology ; Nitrification ; Nitrites ; Nitrogen ; Nitrosomonas ; Original Paper ; Oxidation ; Oxidation-Reduction ; Oxygen ; Purification ; Reactors ; Removal ; Settling rate ; Settling velocity ; Sewage ; Soil Science & Conservation ; Terrestrial Pollution ; Waste Management/Waste Technology ; Waste Water ; Waste Water Technology ; Wastewater treatment ; Water Management ; Water Pollution Control ; Water Purification</subject><ispartof>Biodegradation (Dordrecht), 2021-02, Vol.32 (1), p.87-98</ispartof><rights>The Author(s), under exclusive licence to Springer Nature B.V. part of Springer Nature 2021</rights><rights>COPYRIGHT 2021 Springer</rights><rights>The Author(s), under exclusive licence to Springer Nature B.V. part of Springer Nature 2021.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c366w-f97c1ebf95f45b6a32ffa8100e2cdeb9fe80d44515fc86eae6216931daff44183</citedby><cites>FETCH-LOGICAL-c366w-f97c1ebf95f45b6a32ffa8100e2cdeb9fe80d44515fc86eae6216931daff44183</cites><orcidid>0000-0002-8096-3143</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10532-020-09923-w$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10532-020-09923-w$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27903,27904,41467,42536,51297</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/33449262$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Qian, Feiyue</creatorcontrib><creatorcontrib>Huang, Ziheng</creatorcontrib><creatorcontrib>Liu, Yuxin</creatorcontrib><creatorcontrib>Grace, Olatidoye Omo wumi</creatorcontrib><creatorcontrib>Wang, Jianfang</creatorcontrib><creatorcontrib>Shi, Guangyu</creatorcontrib><title>Conversion of full nitritation to partial nitritation/anammox in a continuous granular reactor for low-strength ammonium wastewater treatment at 20 °C</title><title>Biodegradation (Dordrecht)</title><addtitle>Biodegradation</addtitle><addtitle>Biodegradation</addtitle><description>The feasibility of converting full nitritation to partial nitritation/anammox (PN/A) at ambient temperature (20 °C) was investigated in a continuous granular reactor. The process was conducted without anammox bacteria inoculation for the treatment of 70 mg L
−1
of low-strength ammonium nitrogen wastewater. Following the stepwise increase of the nitrogen loading rate from 0.84 to 1.30 kg N m
−3
d
−1
in 320 days of operation, the removal efficiency of total inorganic nitrogen (TIN) exceeded 80% under oxygen-limiting conditions. The mature PN/A granules, which had a compact structure and abundant biomass, exhibited a specific TIN removal rate of 0.11 g N g
−1
VSS d
−1
and a settling velocity of 70.2 m h
−1
. This was comparable with that obtained at above 30 °C in previous reports. High-throughput pyrosequencing results revealed that the co-enrichment of aerobic and anaerobic ammonium-oxidizing bacteria identified as genera
Nitrosomonas
and
Candidatus
Kuenenia, which prompted a hybrid competition for oxygen and nitrite with nitrite-oxidizing bacteria (NOB). However, the overgrowth of novel NOB
Candidatus
Nitrotoga adapted to low temperatures and low nitrite concentration could potentially deteriorate the one-stage PN/A process by exhausting residual bulk ammonium under long-term excessive aeration.</description><subject>Aeration</subject><subject>Ambient temperature</subject><subject>Ammonia-oxidizing bacteria</subject><subject>Ammonium</subject><subject>Ammonium Compounds</subject><subject>Aquatic Pollution</subject><subject>Bacteria</subject><subject>Biodegradation, Environmental</subject><subject>Biomedical and Life Sciences</subject><subject>Bioreactors</subject><subject>Candidatus Kuenenia</subject><subject>Candidatus Nitrotoga</subject><subject>Exhausting</subject><subject>Feasibility studies</subject><subject>Geochemistry</subject><subject>Inoculation</subject><subject>Life Sciences</subject><subject>Load distribution</subject><subject>Loading rate</subject><subject>Low temperature</subject><subject>Microbiology</subject><subject>Nitrification</subject><subject>Nitrites</subject><subject>Nitrogen</subject><subject>Nitrosomonas</subject><subject>Original Paper</subject><subject>Oxidation</subject><subject>Oxidation-Reduction</subject><subject>Oxygen</subject><subject>Purification</subject><subject>Reactors</subject><subject>Removal</subject><subject>Settling rate</subject><subject>Settling velocity</subject><subject>Sewage</subject><subject>Soil Science & Conservation</subject><subject>Terrestrial Pollution</subject><subject>Waste Management/Waste Technology</subject><subject>Waste Water</subject><subject>Waste Water Technology</subject><subject>Wastewater treatment</subject><subject>Water Management</subject><subject>Water Pollution Control</subject><subject>Water 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Guangyu</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Conversion of full nitritation to partial nitritation/anammox in a continuous granular reactor for low-strength ammonium wastewater treatment at 20 °C</atitle><jtitle>Biodegradation (Dordrecht)</jtitle><stitle>Biodegradation</stitle><addtitle>Biodegradation</addtitle><date>2021-02-01</date><risdate>2021</risdate><volume>32</volume><issue>1</issue><spage>87</spage><epage>98</epage><pages>87-98</pages><issn>0923-9820</issn><eissn>1572-9729</eissn><abstract>The feasibility of converting full nitritation to partial nitritation/anammox (PN/A) at ambient temperature (20 °C) was investigated in a continuous granular reactor. The process was conducted without anammox bacteria inoculation for the treatment of 70 mg L
−1
of low-strength ammonium nitrogen wastewater. Following the stepwise increase of the nitrogen loading rate from 0.84 to 1.30 kg N m
−3
d
−1
in 320 days of operation, the removal efficiency of total inorganic nitrogen (TIN) exceeded 80% under oxygen-limiting conditions. The mature PN/A granules, which had a compact structure and abundant biomass, exhibited a specific TIN removal rate of 0.11 g N g
−1
VSS d
−1
and a settling velocity of 70.2 m h
−1
. This was comparable with that obtained at above 30 °C in previous reports. High-throughput pyrosequencing results revealed that the co-enrichment of aerobic and anaerobic ammonium-oxidizing bacteria identified as genera
Nitrosomonas
and
Candidatus
Kuenenia, which prompted a hybrid competition for oxygen and nitrite with nitrite-oxidizing bacteria (NOB). However, the overgrowth of novel NOB
Candidatus
Nitrotoga adapted to low temperatures and low nitrite concentration could potentially deteriorate the one-stage PN/A process by exhausting residual bulk ammonium under long-term excessive aeration.</abstract><cop>Dordrecht</cop><pub>Springer Netherlands</pub><pmid>33449262</pmid><doi>10.1007/s10532-020-09923-w</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-8096-3143</orcidid></addata></record> |
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| issn | 0923-9820 1572-9729 |
| language | eng |
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| source | MEDLINE; Springer Nature - Complete Springer Journals |
| subjects | Aeration Ambient temperature Ammonia-oxidizing bacteria Ammonium Ammonium Compounds Aquatic Pollution Bacteria Biodegradation, Environmental Biomedical and Life Sciences Bioreactors Candidatus Kuenenia Candidatus Nitrotoga Exhausting Feasibility studies Geochemistry Inoculation Life Sciences Load distribution Loading rate Low temperature Microbiology Nitrification Nitrites Nitrogen Nitrosomonas Original Paper Oxidation Oxidation-Reduction Oxygen Purification Reactors Removal Settling rate Settling velocity Sewage Soil Science & Conservation Terrestrial Pollution Waste Management/Waste Technology Waste Water Waste Water Technology Wastewater treatment Water Management Water Pollution Control Water Purification |
| title | Conversion of full nitritation to partial nitritation/anammox in a continuous granular reactor for low-strength ammonium wastewater treatment at 20 °C |
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