Contributions of biofilm and suspended sludge to nitrogen transformation and nitrous oxide emission in hybrid sequencing batch system
Hybrid system combines the nature of suspended growth and attached growth has been widely applied to wastewater treatment. In this research, the contributions to N transformation and N2O emission by biofilm and suspended sludge in the hybrid sequencing- batch reactor for a simultaneous nitrification...
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| Veröffentlicht in: | Journal of environmental sciences (China) 2010-07, Vol.22 (7), p.953-960 |
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| creator | Lo, Ingwei Wayne Lo, Kwang Victor Mavinic, Don S Shiskowski, Dean Ramey, William |
| description | Hybrid system combines the nature of suspended growth and attached growth has been widely applied to wastewater treatment. In this research, the contributions to N transformation and N2O emission by biofilm and suspended sludge in the hybrid sequencing- batch reactor for a simultaneous nitrification, denitrification and phosphorus removal process were investigated. For the hybrid system, nitrification occurred mostly in the suspended sludge, while the biofilm played the major role in denitrification. The interaction of the biofilm and the suspended sludge in the same reactor resulted in a better overall nitrogen removal performance with simultaneous nitrification and denitrification. However, N2O emission was the main end product of nitrogen removal for the hybrid system; while it was N2 for the biofilm. The relative low N2O emissions from the pure biofilm and the pure suspended sludge corresponded to the relatively high nitrate at the end of the aeration period compared with the hybrid system. |
| doi_str_mv | 10.1016/S1001-0742(09)60204-7 |
| format | Article |
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In this research, the contributions to N transformation and N2O emission by biofilm and suspended sludge in the hybrid sequencing- batch reactor for a simultaneous nitrification, denitrification and phosphorus removal process were investigated. For the hybrid system, nitrification occurred mostly in the suspended sludge, while the biofilm played the major role in denitrification. The interaction of the biofilm and the suspended sludge in the same reactor resulted in a better overall nitrogen removal performance with simultaneous nitrification and denitrification. However, N2O emission was the main end product of nitrogen removal for the hybrid system; while it was N2 for the biofilm. The relative low N2O emissions from the pure biofilm and the pure suspended sludge corresponded to the relatively high nitrate at the end of the aeration period compared with the hybrid system.</description><identifier>ISSN: 1001-0742</identifier><identifier>EISSN: 1878-7320</identifier><identifier>DOI: 10.1016/S1001-0742(09)60204-7</identifier><identifier>PMID: 21174983</identifier><language>eng</language><publisher>Netherlands: Elsevier B.V</publisher><subject>biofilm ; Biofilms ; Biofilms - growth & development ; Emission ; hybrid system ; Hybrid systems ; N 2O emission ; N2O排放 ; Nitrification ; Nitrogen - metabolism ; Nitrogen Oxides - metabolism ; Nitrogen removal ; Nitrous oxides ; Sewage - microbiology ; Sludge ; suspended sludge ; Transformations ; 反硝化生物膜 ; 反硝化除磷工艺 ; 序批式 ; 悬浮污泥 ; 氧化亚氮排放 ; 氮转化 ; 混合动力系统</subject><ispartof>Journal of environmental sciences (China), 2010-07, Vol.22 (7), p.953-960</ispartof><rights>2010 The Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences</rights><rights>Copyright © Wanfang Data Co. 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All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c553t-4eccd12fd9acc1c7108abe3dc2ca906b6595d12e707ed4ebaa08d973fcd0c4d63</citedby><cites>FETCH-LOGICAL-c553t-4eccd12fd9acc1c7108abe3dc2ca906b6595d12e707ed4ebaa08d973fcd0c4d63</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85265X/85265X.jpg</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/S1001-0742(09)60204-7$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21174983$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Lo, Ingwei Wayne</creatorcontrib><creatorcontrib>Lo, Kwang Victor</creatorcontrib><creatorcontrib>Mavinic, Don S</creatorcontrib><creatorcontrib>Shiskowski, Dean</creatorcontrib><creatorcontrib>Ramey, William</creatorcontrib><title>Contributions of biofilm and suspended sludge to nitrogen transformation and nitrous oxide emission in hybrid sequencing batch system</title><title>Journal of environmental sciences (China)</title><addtitle>Journal of Environmental Sciences</addtitle><description>Hybrid system combines the nature of suspended growth and attached growth has been widely applied to wastewater treatment. In this research, the contributions to N transformation and N2O emission by biofilm and suspended sludge in the hybrid sequencing- batch reactor for a simultaneous nitrification, denitrification and phosphorus removal process were investigated. For the hybrid system, nitrification occurred mostly in the suspended sludge, while the biofilm played the major role in denitrification. The interaction of the biofilm and the suspended sludge in the same reactor resulted in a better overall nitrogen removal performance with simultaneous nitrification and denitrification. However, N2O emission was the main end product of nitrogen removal for the hybrid system; while it was N2 for the biofilm. The relative low N2O emissions from the pure biofilm and the pure suspended sludge corresponded to the relatively high nitrate at the end of the aeration period compared with the hybrid system.</description><subject>biofilm</subject><subject>Biofilms</subject><subject>Biofilms - growth & development</subject><subject>Emission</subject><subject>hybrid system</subject><subject>Hybrid systems</subject><subject>N 2O emission</subject><subject>N2O排放</subject><subject>Nitrification</subject><subject>Nitrogen - metabolism</subject><subject>Nitrogen Oxides - metabolism</subject><subject>Nitrogen removal</subject><subject>Nitrous oxides</subject><subject>Sewage - microbiology</subject><subject>Sludge</subject><subject>suspended sludge</subject><subject>Transformations</subject><subject>反硝化生物膜</subject><subject>反硝化除磷工艺</subject><subject>序批式</subject><subject>悬浮污泥</subject><subject>氧化亚氮排放</subject><subject>氮转化</subject><subject>混合动力系统</subject><issn>1001-0742</issn><issn>1878-7320</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkstu1DAUhiMEoqXwCCCLBZRF4DiO42SFqhE3qRILYG059smMh4k9tRPoPADvzZlLWdKVj3S-c_t_F8VzDm858ObdNw7AS1B1dQndmwYqqEv1oDjnrWpLJSp4SPEdclY8yXkNALUE-bg4qzhXddeK8-LPIoYp-X6efAyZxYH1Pg5-MzITHMtz3mJwSNFmdktkU2TBTykuMbApmZCHmEazrz3wh9xMbW69Q4ajz3mf8oGtdn3y1AZvZgzWhyXrzWRXLO_yhOPT4tFgNhmfnd6L4sfHD98Xn8vrr5--LK6uSyulmMoarXW8GlxnrOVWcWhNj8LZypoOmr6RnaQ8KlDoauyNgdZ1SgzWga1dIy6KV8e-v00YTFjqdZxToIl6jVljBaSYItEIfH0EtynSxnnSdIvFzcYEpAN1Swp2TV3Je0klRdNKAUDk5X9JrhRdVCneEiqPqE0x54SD3iY_mrTTHPTefn2wX--91dDpg_1aUd2L04i5H9H9q7rzm4D3RwBJ5V8ek87WkyHofEI7aRf9vSNenlZbxbC8ISd1b-xP-jKoRS3p-4lG_AX8r81c</recordid><startdate>201007</startdate><enddate>201007</enddate><creator>Lo, Ingwei Wayne</creator><creator>Lo, Kwang Victor</creator><creator>Mavinic, Don S</creator><creator>Shiskowski, Dean</creator><creator>Ramey, William</creator><general>Elsevier B.V</general><general>Department of Civil Engineering, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada%Associated Engineering Ltd., Burnaby, BC, V5G 4M5, Canada%Department of Microbiology & Immunology, University of British Columbia, Vancouver, BC, V6T 1Z4, Canada</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</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>7SU</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>7QO</scope><scope>7ST</scope><scope>7TV</scope><scope>P64</scope><scope>SOI</scope><scope>7X8</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>201007</creationdate><title>Contributions of biofilm and suspended sludge to nitrogen transformation and nitrous oxide emission in hybrid sequencing batch system</title><author>Lo, Ingwei Wayne ; Lo, Kwang Victor ; Mavinic, Don S ; Shiskowski, Dean ; Ramey, William</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c553t-4eccd12fd9acc1c7108abe3dc2ca906b6595d12e707ed4ebaa08d973fcd0c4d63</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>biofilm</topic><topic>Biofilms</topic><topic>Biofilms - growth & development</topic><topic>Emission</topic><topic>hybrid system</topic><topic>Hybrid systems</topic><topic>N 2O emission</topic><topic>N2O排放</topic><topic>Nitrification</topic><topic>Nitrogen - metabolism</topic><topic>Nitrogen Oxides - metabolism</topic><topic>Nitrogen removal</topic><topic>Nitrous oxides</topic><topic>Sewage - microbiology</topic><topic>Sludge</topic><topic>suspended sludge</topic><topic>Transformations</topic><topic>反硝化生物膜</topic><topic>反硝化除磷工艺</topic><topic>序批式</topic><topic>悬浮污泥</topic><topic>氧化亚氮排放</topic><topic>氮转化</topic><topic>混合动力系统</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lo, Ingwei Wayne</creatorcontrib><creatorcontrib>Lo, Kwang Victor</creatorcontrib><creatorcontrib>Mavinic, Don S</creatorcontrib><creatorcontrib>Shiskowski, Dean</creatorcontrib><creatorcontrib>Ramey, William</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Environmental Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Biotechnology Research Abstracts</collection><collection>Environment Abstracts</collection><collection>Pollution Abstracts</collection><collection>Biotechnology and BioEngineering Abstracts</collection><collection>Environment Abstracts</collection><collection>MEDLINE - Academic</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Journal of environmental sciences (China)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lo, Ingwei Wayne</au><au>Lo, Kwang Victor</au><au>Mavinic, Don S</au><au>Shiskowski, Dean</au><au>Ramey, William</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Contributions of biofilm and suspended sludge to nitrogen transformation and nitrous oxide emission in hybrid sequencing batch system</atitle><jtitle>Journal of environmental sciences (China)</jtitle><addtitle>Journal of Environmental Sciences</addtitle><date>2010-07</date><risdate>2010</risdate><volume>22</volume><issue>7</issue><spage>953</spage><epage>960</epage><pages>953-960</pages><issn>1001-0742</issn><eissn>1878-7320</eissn><abstract>Hybrid system combines the nature of suspended growth and attached growth has been widely applied to wastewater treatment. In this research, the contributions to N transformation and N2O emission by biofilm and suspended sludge in the hybrid sequencing- batch reactor for a simultaneous nitrification, denitrification and phosphorus removal process were investigated. For the hybrid system, nitrification occurred mostly in the suspended sludge, while the biofilm played the major role in denitrification. The interaction of the biofilm and the suspended sludge in the same reactor resulted in a better overall nitrogen removal performance with simultaneous nitrification and denitrification. However, N2O emission was the main end product of nitrogen removal for the hybrid system; while it was N2 for the biofilm. The relative low N2O emissions from the pure biofilm and the pure suspended sludge corresponded to the relatively high nitrate at the end of the aeration period compared with the hybrid system.</abstract><cop>Netherlands</cop><pub>Elsevier B.V</pub><pmid>21174983</pmid><doi>10.1016/S1001-0742(09)60204-7</doi><tpages>8</tpages></addata></record> |
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| ispartof | Journal of environmental sciences (China), 2010-07, Vol.22 (7), p.953-960 |
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| source | MEDLINE; ScienceDirect Journals (5 years ago - present); Alma/SFX Local Collection |
| subjects | biofilm Biofilms Biofilms - growth & development Emission hybrid system Hybrid systems N 2O emission N2O排放 Nitrification Nitrogen - metabolism Nitrogen Oxides - metabolism Nitrogen removal Nitrous oxides Sewage - microbiology Sludge suspended sludge Transformations 反硝化生物膜 反硝化除磷工艺 序批式 悬浮污泥 氧化亚氮排放 氮转化 混合动力系统 |
| title | Contributions of biofilm and suspended sludge to nitrogen transformation and nitrous oxide emission in hybrid sequencing batch system |
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