High-temperature EBPR process: The performance, analysis of PAOs and GAOs and the fine-scale population study of Candidatus “Accumulibacter phosphatis”
The applicability of the enhanced biological phosphorus removal (EBPR) process for the removal of phosphorus in warm climates is uncertain due to frequent reports of EBPR deterioration at temperature higher than 25 °C. Nevertheless, a recent report on a stable and efficient EBPR process at 28 °C has...
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| Veröffentlicht in: | Water research (Oxford) 2014-11, Vol.64, p.102-112 |
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| creator | Ong, Ying Hui Chua, Adeline Seak May Fukushima, Toshikazu Ngoh, Gek Cheng Shoji, Tadashi Michinaka, Atsuko |
| description | The applicability of the enhanced biological phosphorus removal (EBPR) process for the removal of phosphorus in warm climates is uncertain due to frequent reports of EBPR deterioration at temperature higher than 25 °C. Nevertheless, a recent report on a stable and efficient EBPR process at 28 °C has inspired the present study to examine the performance of EBPR at 24 °C–32 °C, as well as the PAOs and GAOs involved, in greater detail. Two sequencing batch reactors (SBRs) were operated for EBPR in parallel at different temperatures, i.e., SBR-1 at 28 °C and SBR-2 first at 24 °C and subsequently at 32 °C. Both SBRs exhibited high phosphorus removal efficiencies at all three temperatures and produced effluents with phosphorus concentrations less than 1.0 mg/L during the steady state of reactor operation. Real-time quantitative polymerase chain reaction (qPCR) revealed Accumulibacter-PAOs comprised 64% of the total bacterial population at 24 °C, 43% at 28 °C and 19% at 32 °C. Based on fluorescent in situ hybridisation (FISH), the abundance of Competibacter-GAOs at both 24 °C and 28 °C was rather low ( |
| doi_str_mv | 10.1016/j.watres.2014.06.038 |
| format | Article |
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[Display omitted]
•EBPR was achieved at relatively high temperatures of 24 °C, 28 °C and 32 °C.•Excellence P removal efficiency of >95% was shown in these temperatures.•EBPR activity sustained despite the drop in Accumulibacter with temperature rise.•Good P removal maintained with predominance of GAOs at 32 °C.•Accumulibacter clade IIF are able to persist in high temperatures, 24–32 °C.</description><identifier>ISSN: 0043-1354</identifier><identifier>EISSN: 1879-2448</identifier><identifier>DOI: 10.1016/j.watres.2014.06.038</identifier><identifier>PMID: 25046374</identifier><identifier>CODEN: WATRAG</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Accumulibacter clades ; Applied sciences ; Bacteria ; Bacteria, Aerobic - metabolism ; Bacteria, Anaerobic - metabolism ; Biological and medical sciences ; Biological treatment of waters ; Bioreactors ; Biotechnology ; Cladding ; Deterioration ; Enhanced biological phosphorus removal ; Environment and pollution ; Exact sciences and technology ; Filtering ; Fundamental and applied biological sciences. Psychology ; General purification processes ; Glycogen accumulating organisms ; Hot Temperature ; Industrial applications and implications. Economical aspects ; Kinases ; Phosphorus ; Phosphorus - metabolism ; Phosphorus removal ; Phosphotransferases (Phosphate Group Acceptor) - metabolism ; Pollution ; Polyphosphate accumulating organisms ; ppk1 ; Proteobacteria - isolation & purification ; Proteobacteria - metabolism ; Reactors ; RNA, Ribosomal, 16S - metabolism ; Sewage - microbiology ; Temperature ; Waste Disposal, Fluid - methods ; Wastewaters ; Water treatment and pollution</subject><ispartof>Water research (Oxford), 2014-11, Vol.64, p.102-112</ispartof><rights>2014 Elsevier Ltd</rights><rights>2015 INIST-CNRS</rights><rights>Copyright © 2014 Elsevier Ltd. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c524t-c466ea6172b6b76bebd5022749717c68adc26c89369e516271dfe29d32e598023</citedby><cites>FETCH-LOGICAL-c524t-c466ea6172b6b76bebd5022749717c68adc26c89369e516271dfe29d32e598023</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.watres.2014.06.038$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=28704188$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/25046374$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Ong, Ying Hui</creatorcontrib><creatorcontrib>Chua, Adeline Seak May</creatorcontrib><creatorcontrib>Fukushima, Toshikazu</creatorcontrib><creatorcontrib>Ngoh, Gek Cheng</creatorcontrib><creatorcontrib>Shoji, Tadashi</creatorcontrib><creatorcontrib>Michinaka, Atsuko</creatorcontrib><title>High-temperature EBPR process: The performance, analysis of PAOs and GAOs and the fine-scale population study of Candidatus “Accumulibacter phosphatis”</title><title>Water research (Oxford)</title><addtitle>Water Res</addtitle><description>The applicability of the enhanced biological phosphorus removal (EBPR) process for the removal of phosphorus in warm climates is uncertain due to frequent reports of EBPR deterioration at temperature higher than 25 °C. Nevertheless, a recent report on a stable and efficient EBPR process at 28 °C has inspired the present study to examine the performance of EBPR at 24 °C–32 °C, as well as the PAOs and GAOs involved, in greater detail. Two sequencing batch reactors (SBRs) were operated for EBPR in parallel at different temperatures, i.e., SBR-1 at 28 °C and SBR-2 first at 24 °C and subsequently at 32 °C. Both SBRs exhibited high phosphorus removal efficiencies at all three temperatures and produced effluents with phosphorus concentrations less than 1.0 mg/L during the steady state of reactor operation. Real-time quantitative polymerase chain reaction (qPCR) revealed Accumulibacter-PAOs comprised 64% of the total bacterial population at 24 °C, 43% at 28 °C and 19% at 32 °C. Based on fluorescent in situ hybridisation (FISH), the abundance of Competibacter-GAOs at both 24 °C and 28 °C was rather low (<10%), while it accounted for 40% of the total bacterial population at 32 °C. However, the smaller Accumulibacter population and larger population of Competibacter at 32 °C did not deteriorate the phosphorus removal performance. A polyphosphate kinase 1 (ppk1)-based qPCR analysis on all studied EBPR processes detected only Accumulibacter clade IIF. The Accumulibacter population shown by 16S rRNA and ppk1 was not significantly different. This finding confirmed the existence of single clade IIF in the processes and the specificity of the clade IIF primer sets designed in this study. Habitat filtering related to temperature could have contributed to the presence of a unique clade. The clade IIF was hypothesised to be able to perform the EBPR activity at high temperatures. The clade's robustness most likely helps it to fit the high-temperature EBPR sludge best and allows it not only to outcompete other Accumulibacter clades but coexist with GAOs without compromising EBPR activity.
[Display omitted]
•EBPR was achieved at relatively high temperatures of 24 °C, 28 °C and 32 °C.•Excellence P removal efficiency of >95% was shown in these temperatures.•EBPR activity sustained despite the drop in Accumulibacter with temperature rise.•Good P removal maintained with predominance of GAOs at 32 °C.•Accumulibacter clade IIF are able to persist in high temperatures, 24–32 °C.</description><subject>Accumulibacter clades</subject><subject>Applied sciences</subject><subject>Bacteria</subject><subject>Bacteria, Aerobic - metabolism</subject><subject>Bacteria, Anaerobic - metabolism</subject><subject>Biological and medical sciences</subject><subject>Biological treatment of waters</subject><subject>Bioreactors</subject><subject>Biotechnology</subject><subject>Cladding</subject><subject>Deterioration</subject><subject>Enhanced biological phosphorus removal</subject><subject>Environment and pollution</subject><subject>Exact sciences and technology</subject><subject>Filtering</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General purification processes</subject><subject>Glycogen accumulating organisms</subject><subject>Hot Temperature</subject><subject>Industrial applications and implications. Economical aspects</subject><subject>Kinases</subject><subject>Phosphorus</subject><subject>Phosphorus - metabolism</subject><subject>Phosphorus removal</subject><subject>Phosphotransferases (Phosphate Group Acceptor) - metabolism</subject><subject>Pollution</subject><subject>Polyphosphate accumulating organisms</subject><subject>ppk1</subject><subject>Proteobacteria - isolation & purification</subject><subject>Proteobacteria - metabolism</subject><subject>Reactors</subject><subject>RNA, Ribosomal, 16S - metabolism</subject><subject>Sewage - microbiology</subject><subject>Temperature</subject><subject>Waste Disposal, Fluid - methods</subject><subject>Wastewaters</subject><subject>Water treatment and pollution</subject><issn>0043-1354</issn><issn>1879-2448</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2014</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqNkc9u1DAQhyMEotvCGyDkCxKHJtiO_yQcKi2r0iJVaoXK2XKcCetVsgmeBLS3vgfwcn0SHO0WbsDJlv39Zjz-kuQFoxmjTL3ZZN_sGAAzTpnIqMpoXjxKFqzQZcqFKB4nC0pFnrJciqPkGHFDKeU8L58mR1xSoXItFsn3S_95nY7QDRDsOAUg5-9uPpIh9A4Q35LbNZB41fShs1sHp8RubbtDj6RvyM3yGuNBTS4eNmPEG7-FFJ1tY7IfptaOvt8SHKd6N4dWkfN17IXk_u7H0rmpm1pfWTdCIMO6x2EdE3h_9_NZ8qSxLcLzw3qSfHp_fru6TK-uLz6sllepk1yMqRNKgVVM80pVWlVQ1TIOqkWpmXaqsLXjyhVlrkqQTHHN6gZ4WeccZFlQnp8kr_d149RfJsDRdB4dtK3dQj-hYUqyXJe8LP4DFTrKoUz_G5VSKq5oKSMq9qgLPWKAxgzBdzbsDKNmlm02Zi_bzLINVSbKjrGXhw5T1UH9O_RgNwKvDoCdfTQhKvT4hys0FayYC53tOYi__NVDMOg8RN21D-BGU_f-7y_5BTVXy8U</recordid><startdate>20141101</startdate><enddate>20141101</enddate><creator>Ong, Ying Hui</creator><creator>Chua, Adeline Seak May</creator><creator>Fukushima, Toshikazu</creator><creator>Ngoh, Gek Cheng</creator><creator>Shoji, Tadashi</creator><creator>Michinaka, Atsuko</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>7QH</scope><scope>7ST</scope><scope>7UA</scope><scope>C1K</scope><scope>F1W</scope><scope>H97</scope><scope>L.G</scope><scope>SOI</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope></search><sort><creationdate>20141101</creationdate><title>High-temperature EBPR process: The performance, analysis of PAOs and GAOs and the fine-scale population study of Candidatus “Accumulibacter phosphatis”</title><author>Ong, Ying Hui ; Chua, Adeline Seak May ; Fukushima, Toshikazu ; Ngoh, Gek Cheng ; Shoji, Tadashi ; Michinaka, Atsuko</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c524t-c466ea6172b6b76bebd5022749717c68adc26c89369e516271dfe29d32e598023</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2014</creationdate><topic>Accumulibacter clades</topic><topic>Applied sciences</topic><topic>Bacteria</topic><topic>Bacteria, Aerobic - metabolism</topic><topic>Bacteria, Anaerobic - metabolism</topic><topic>Biological and medical sciences</topic><topic>Biological treatment of waters</topic><topic>Bioreactors</topic><topic>Biotechnology</topic><topic>Cladding</topic><topic>Deterioration</topic><topic>Enhanced biological phosphorus removal</topic><topic>Environment and pollution</topic><topic>Exact sciences and technology</topic><topic>Filtering</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General purification processes</topic><topic>Glycogen accumulating organisms</topic><topic>Hot Temperature</topic><topic>Industrial applications and implications. Economical aspects</topic><topic>Kinases</topic><topic>Phosphorus</topic><topic>Phosphorus - metabolism</topic><topic>Phosphorus removal</topic><topic>Phosphotransferases (Phosphate Group Acceptor) - metabolism</topic><topic>Pollution</topic><topic>Polyphosphate accumulating organisms</topic><topic>ppk1</topic><topic>Proteobacteria - isolation & purification</topic><topic>Proteobacteria - metabolism</topic><topic>Reactors</topic><topic>RNA, Ribosomal, 16S - metabolism</topic><topic>Sewage - microbiology</topic><topic>Temperature</topic><topic>Waste Disposal, Fluid - methods</topic><topic>Wastewaters</topic><topic>Water treatment and pollution</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ong, Ying Hui</creatorcontrib><creatorcontrib>Chua, Adeline Seak May</creatorcontrib><creatorcontrib>Fukushima, Toshikazu</creatorcontrib><creatorcontrib>Ngoh, Gek Cheng</creatorcontrib><creatorcontrib>Shoji, Tadashi</creatorcontrib><creatorcontrib>Michinaka, Atsuko</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>Aqualine</collection><collection>Environment Abstracts</collection><collection>Water Resources Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Water research (Oxford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ong, Ying Hui</au><au>Chua, Adeline Seak May</au><au>Fukushima, Toshikazu</au><au>Ngoh, Gek Cheng</au><au>Shoji, Tadashi</au><au>Michinaka, Atsuko</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High-temperature EBPR process: The performance, analysis of PAOs and GAOs and the fine-scale population study of Candidatus “Accumulibacter phosphatis”</atitle><jtitle>Water research (Oxford)</jtitle><addtitle>Water Res</addtitle><date>2014-11-01</date><risdate>2014</risdate><volume>64</volume><spage>102</spage><epage>112</epage><pages>102-112</pages><issn>0043-1354</issn><eissn>1879-2448</eissn><coden>WATRAG</coden><abstract>The applicability of the enhanced biological phosphorus removal (EBPR) process for the removal of phosphorus in warm climates is uncertain due to frequent reports of EBPR deterioration at temperature higher than 25 °C. Nevertheless, a recent report on a stable and efficient EBPR process at 28 °C has inspired the present study to examine the performance of EBPR at 24 °C–32 °C, as well as the PAOs and GAOs involved, in greater detail. Two sequencing batch reactors (SBRs) were operated for EBPR in parallel at different temperatures, i.e., SBR-1 at 28 °C and SBR-2 first at 24 °C and subsequently at 32 °C. Both SBRs exhibited high phosphorus removal efficiencies at all three temperatures and produced effluents with phosphorus concentrations less than 1.0 mg/L during the steady state of reactor operation. Real-time quantitative polymerase chain reaction (qPCR) revealed Accumulibacter-PAOs comprised 64% of the total bacterial population at 24 °C, 43% at 28 °C and 19% at 32 °C. Based on fluorescent in situ hybridisation (FISH), the abundance of Competibacter-GAOs at both 24 °C and 28 °C was rather low (<10%), while it accounted for 40% of the total bacterial population at 32 °C. However, the smaller Accumulibacter population and larger population of Competibacter at 32 °C did not deteriorate the phosphorus removal performance. A polyphosphate kinase 1 (ppk1)-based qPCR analysis on all studied EBPR processes detected only Accumulibacter clade IIF. The Accumulibacter population shown by 16S rRNA and ppk1 was not significantly different. This finding confirmed the existence of single clade IIF in the processes and the specificity of the clade IIF primer sets designed in this study. Habitat filtering related to temperature could have contributed to the presence of a unique clade. The clade IIF was hypothesised to be able to perform the EBPR activity at high temperatures. The clade's robustness most likely helps it to fit the high-temperature EBPR sludge best and allows it not only to outcompete other Accumulibacter clades but coexist with GAOs without compromising EBPR activity.
[Display omitted]
•EBPR was achieved at relatively high temperatures of 24 °C, 28 °C and 32 °C.•Excellence P removal efficiency of >95% was shown in these temperatures.•EBPR activity sustained despite the drop in Accumulibacter with temperature rise.•Good P removal maintained with predominance of GAOs at 32 °C.•Accumulibacter clade IIF are able to persist in high temperatures, 24–32 °C.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>25046374</pmid><doi>10.1016/j.watres.2014.06.038</doi><tpages>11</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Water research (Oxford), 2014-11, Vol.64, p.102-112 |
| issn | 0043-1354 1879-2448 |
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| subjects | Accumulibacter clades Applied sciences Bacteria Bacteria, Aerobic - metabolism Bacteria, Anaerobic - metabolism Biological and medical sciences Biological treatment of waters Bioreactors Biotechnology Cladding Deterioration Enhanced biological phosphorus removal Environment and pollution Exact sciences and technology Filtering Fundamental and applied biological sciences. Psychology General purification processes Glycogen accumulating organisms Hot Temperature Industrial applications and implications. Economical aspects Kinases Phosphorus Phosphorus - metabolism Phosphorus removal Phosphotransferases (Phosphate Group Acceptor) - metabolism Pollution Polyphosphate accumulating organisms ppk1 Proteobacteria - isolation & purification Proteobacteria - metabolism Reactors RNA, Ribosomal, 16S - metabolism Sewage - microbiology Temperature Waste Disposal, Fluid - methods Wastewaters Water treatment and pollution |
| title | High-temperature EBPR process: The performance, analysis of PAOs and GAOs and the fine-scale population study of Candidatus “Accumulibacter phosphatis” |
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