Modelling Escherichia coli concentration in a wastewater reservoir using an operational parameter MRT%FE and first order kinetics
The operational parameter MRT%FE, representing the mean residence time of different ages fractions of effluent within a completely mixed reactor, was evaluated and integrated with first order kinetics. The parameter was used to model Escherichia coli concentrations in a municipal wastewater reservoi...
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| Veröffentlicht in: | Journal of environmental management 2009, Vol.90 (1), p.604-614 |
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| creator | Cirelli, Giuseppe Luigi Consoli, Simona Juanicó, Marcelo |
| description | The operational parameter MRT%FE, representing the mean residence time of different ages fractions of effluent within a completely mixed reactor, was evaluated and integrated with first order kinetics. The parameter was used to model
Escherichia coli concentrations in a municipal wastewater reservoir managed under different operating conditions (continuous and discontinuous).
The study was conducted during 2004–2005 in a reservoir receiving effluents from the activated sludge treatment plant of Caltagirone (Eastern Sicily – Italy). The analytical approach is applied to the hydraulic state variables of the system (daily stored volumes, inlet and outlet flows), and the physical–chemical (pH, temperature, EC, TSS, BOD
5, COD) and bacteriological wastewater parameters (
E. coli, FC, FS). In order to evaluate the reliability of the proposed approach, predicted
E. coli concentrations within the reservoir were compared with measured ones by the correlation coefficient,
F-test and Sperman's index. The study included the evaluation of die-off coefficient
K
T
(d
−1), light extinction coefficient
K (m
−1) and their relationships with climatic factors.
Results of the study confirm that
E. coli removal is related to the fractions of fresh effluent remaining each day within the reservoir with MRT%FE of about 5–8
d, significantly lower than the nominal detention time (about 27
d). The
E. coli die-off coefficient (
K
T
) was higher during system discontinuous operations and correlated with incident solar radiation and water temperature. |
| doi_str_mv | 10.1016/j.jenvman.2007.12.015 |
| format | Article |
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Escherichia coli concentrations in a municipal wastewater reservoir managed under different operating conditions (continuous and discontinuous).
The study was conducted during 2004–2005 in a reservoir receiving effluents from the activated sludge treatment plant of Caltagirone (Eastern Sicily – Italy). The analytical approach is applied to the hydraulic state variables of the system (daily stored volumes, inlet and outlet flows), and the physical–chemical (pH, temperature, EC, TSS, BOD
5, COD) and bacteriological wastewater parameters (
E. coli, FC, FS). In order to evaluate the reliability of the proposed approach, predicted
E. coli concentrations within the reservoir were compared with measured ones by the correlation coefficient,
F-test and Sperman's index. The study included the evaluation of die-off coefficient
K
T
(d
−1), light extinction coefficient
K (m
−1) and their relationships with climatic factors.
Results of the study confirm that
E. coli removal is related to the fractions of fresh effluent remaining each day within the reservoir with MRT%FE of about 5–8
d, significantly lower than the nominal detention time (about 27
d). The
E. coli die-off coefficient (
K
T
) was higher during system discontinuous operations and correlated with incident solar radiation and water temperature.</description><identifier>ISSN: 0301-4797</identifier><identifier>EISSN: 1095-8630</identifier><identifier>DOI: 10.1016/j.jenvman.2007.12.015</identifier><identifier>PMID: 18222594</identifier><identifier>CODEN: JEVMAW</identifier><language>eng</language><publisher>Kidlington: Elsevier Ltd</publisher><subject>Animal, plant and microbial ecology ; Applied ecology ; Bacteria removal ; Biological and medical sciences ; Conservation, protection and management of environment and wildlife ; E coli ; Effluents ; Escherichia coli ; Escherichia coli - isolation & purification ; extraction ; Feces - microbiology ; Fundamental and applied biological sciences. Psychology ; General aspects ; General aspects. Techniques ; Humans ; Italy ; Kinetics ; mathematical models ; Mean residence time ; Methods and techniques (sampling, tagging, trapping, modelling...) ; Modelling ; MRT%FE ; Operational parameters ; PFE ; Population Density ; reaction kinetics ; Reservoirs ; Sewage ; Sludge ; Waste Disposal, Fluid - methods ; Wastewater storage ; wastewater treatment ; Water Microbiology ; Water Pollution - prevention & control ; Water Purification - methods ; Water treatment plants</subject><ispartof>Journal of environmental management, 2009, Vol.90 (1), p.604-614</ispartof><rights>2007 Elsevier Ltd</rights><rights>2009 INIST-CNRS</rights><rights>Copyright Academic Press Ltd. Jan 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c444t-9d3dcc1eb661f087be3b2da0fa88c9d4d08b0022b03e04e2b6a7f6b17f9042803</citedby><cites>FETCH-LOGICAL-c444t-9d3dcc1eb661f087be3b2da0fa88c9d4d08b0022b03e04e2b6a7f6b17f9042803</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0301479707004252$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,4010,27900,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=20956112$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/18222594$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Cirelli, Giuseppe Luigi</creatorcontrib><creatorcontrib>Consoli, Simona</creatorcontrib><creatorcontrib>Juanicó, Marcelo</creatorcontrib><title>Modelling Escherichia coli concentration in a wastewater reservoir using an operational parameter MRT%FE and first order kinetics</title><title>Journal of environmental management</title><addtitle>J Environ Manage</addtitle><description>The operational parameter MRT%FE, representing the mean residence time of different ages fractions of effluent within a completely mixed reactor, was evaluated and integrated with first order kinetics. The parameter was used to model
Escherichia coli concentrations in a municipal wastewater reservoir managed under different operating conditions (continuous and discontinuous).
The study was conducted during 2004–2005 in a reservoir receiving effluents from the activated sludge treatment plant of Caltagirone (Eastern Sicily – Italy). The analytical approach is applied to the hydraulic state variables of the system (daily stored volumes, inlet and outlet flows), and the physical–chemical (pH, temperature, EC, TSS, BOD
5, COD) and bacteriological wastewater parameters (
E. coli, FC, FS). In order to evaluate the reliability of the proposed approach, predicted
E. coli concentrations within the reservoir were compared with measured ones by the correlation coefficient,
F-test and Sperman's index. The study included the evaluation of die-off coefficient
K
T
(d
−1), light extinction coefficient
K (m
−1) and their relationships with climatic factors.
Results of the study confirm that
E. coli removal is related to the fractions of fresh effluent remaining each day within the reservoir with MRT%FE of about 5–8
d, significantly lower than the nominal detention time (about 27
d). The
E. coli die-off coefficient (
K
T
) was higher during system discontinuous operations and correlated with incident solar radiation and water temperature.</description><subject>Animal, plant and microbial ecology</subject><subject>Applied ecology</subject><subject>Bacteria removal</subject><subject>Biological and medical sciences</subject><subject>Conservation, protection and management of environment and wildlife</subject><subject>E coli</subject><subject>Effluents</subject><subject>Escherichia coli</subject><subject>Escherichia coli - isolation & purification</subject><subject>extraction</subject><subject>Feces - microbiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General aspects</subject><subject>General aspects. Techniques</subject><subject>Humans</subject><subject>Italy</subject><subject>Kinetics</subject><subject>mathematical models</subject><subject>Mean residence time</subject><subject>Methods and techniques (sampling, tagging, trapping, modelling...)</subject><subject>Modelling</subject><subject>MRT%FE</subject><subject>Operational parameters</subject><subject>PFE</subject><subject>Population Density</subject><subject>reaction kinetics</subject><subject>Reservoirs</subject><subject>Sewage</subject><subject>Sludge</subject><subject>Waste Disposal, Fluid - methods</subject><subject>Wastewater storage</subject><subject>wastewater treatment</subject><subject>Water Microbiology</subject><subject>Water Pollution - prevention & control</subject><subject>Water Purification - methods</subject><subject>Water treatment plants</subject><issn>0301-4797</issn><issn>1095-8630</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkU1v1DAQhi0EokvhJwAWUo8JY-f7hFC1BaRWSNCerYk9aR2y9mJnt-LIP8dRVnDkYkv2M6OZ52XstYBcgKjfj_lI7rhDl0uAJhcyB1E9YRsBXZW1dQFP2QYKEFnZdM0ZexHjCACFFM1zdiZaKWXVlRv2-8Ybmibr7vk26gcKVj9Y5NpPNh1Ok5sDztY7bh1H_ohxpkecKfBAkcLR28APcSlHx_2eVhgnvseAO1rAm2-3F1fb9G_4YEOcuQ8mPf-wjmar40v2bMAp0qvTfc7urra3l5-z66-fvlx-vM50WZZz1pnCaC2or2sxQNv0VPTSIAzYtrozpYG2B5Cyh4KgJNnX2Ax1L5qhg1K2UJyzd2vfffA_DxRnNfpDSKNGJbqqLmRXNAmqVkgHH2OgQe2D3WH4pQSoxbsa1cm7WrwrIVXynurenJof-h2Zf1Un0Qm4OAEYNU5DQKdt_MvJlFothEzc25Ub0Cu8D4m5-y5BpCSrupXNsseHlaAk62gpqKgtpaSMDaRnZbz9z7B_APxArrA</recordid><startdate>2009</startdate><enddate>2009</enddate><creator>Cirelli, Giuseppe Luigi</creator><creator>Consoli, Simona</creator><creator>Juanicó, Marcelo</creator><general>Elsevier Ltd</general><general>Elsevier</general><general>Academic Press Ltd</general><scope>FBQ</scope><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>7QH</scope><scope>7SN</scope><scope>7ST</scope><scope>7UA</scope><scope>8BJ</scope><scope>C1K</scope><scope>F1W</scope><scope>FQK</scope><scope>H97</scope><scope>JBE</scope><scope>L.G</scope><scope>SOI</scope></search><sort><creationdate>2009</creationdate><title>Modelling Escherichia coli concentration in a wastewater reservoir using an operational parameter MRT%FE and first order kinetics</title><author>Cirelli, Giuseppe Luigi ; Consoli, Simona ; Juanicó, Marcelo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c444t-9d3dcc1eb661f087be3b2da0fa88c9d4d08b0022b03e04e2b6a7f6b17f9042803</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Animal, plant and microbial ecology</topic><topic>Applied ecology</topic><topic>Bacteria removal</topic><topic>Biological and medical sciences</topic><topic>Conservation, protection and management of environment and wildlife</topic><topic>E coli</topic><topic>Effluents</topic><topic>Escherichia coli</topic><topic>Escherichia coli - isolation & purification</topic><topic>extraction</topic><topic>Feces - microbiology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General aspects</topic><topic>General aspects. Techniques</topic><topic>Humans</topic><topic>Italy</topic><topic>Kinetics</topic><topic>mathematical models</topic><topic>Mean residence time</topic><topic>Methods and techniques (sampling, tagging, trapping, modelling...)</topic><topic>Modelling</topic><topic>MRT%FE</topic><topic>Operational parameters</topic><topic>PFE</topic><topic>Population Density</topic><topic>reaction kinetics</topic><topic>Reservoirs</topic><topic>Sewage</topic><topic>Sludge</topic><topic>Waste Disposal, Fluid - methods</topic><topic>Wastewater storage</topic><topic>wastewater treatment</topic><topic>Water Microbiology</topic><topic>Water Pollution - prevention & control</topic><topic>Water Purification - methods</topic><topic>Water treatment plants</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cirelli, Giuseppe Luigi</creatorcontrib><creatorcontrib>Consoli, Simona</creatorcontrib><creatorcontrib>Juanicó, Marcelo</creatorcontrib><collection>AGRIS</collection><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>Aqualine</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Water Resources Abstracts</collection><collection>International Bibliography of the Social Sciences (IBSS)</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>International Bibliography of the Social Sciences</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 3: Aquatic Pollution & Environmental Quality</collection><collection>International Bibliography of the Social Sciences</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environment Abstracts</collection><jtitle>Journal of environmental management</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cirelli, Giuseppe Luigi</au><au>Consoli, Simona</au><au>Juanicó, Marcelo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Modelling Escherichia coli concentration in a wastewater reservoir using an operational parameter MRT%FE and first order kinetics</atitle><jtitle>Journal of environmental management</jtitle><addtitle>J Environ Manage</addtitle><date>2009</date><risdate>2009</risdate><volume>90</volume><issue>1</issue><spage>604</spage><epage>614</epage><pages>604-614</pages><issn>0301-4797</issn><eissn>1095-8630</eissn><coden>JEVMAW</coden><abstract>The operational parameter MRT%FE, representing the mean residence time of different ages fractions of effluent within a completely mixed reactor, was evaluated and integrated with first order kinetics. The parameter was used to model
Escherichia coli concentrations in a municipal wastewater reservoir managed under different operating conditions (continuous and discontinuous).
The study was conducted during 2004–2005 in a reservoir receiving effluents from the activated sludge treatment plant of Caltagirone (Eastern Sicily – Italy). The analytical approach is applied to the hydraulic state variables of the system (daily stored volumes, inlet and outlet flows), and the physical–chemical (pH, temperature, EC, TSS, BOD
5, COD) and bacteriological wastewater parameters (
E. coli, FC, FS). In order to evaluate the reliability of the proposed approach, predicted
E. coli concentrations within the reservoir were compared with measured ones by the correlation coefficient,
F-test and Sperman's index. The study included the evaluation of die-off coefficient
K
T
(d
−1), light extinction coefficient
K (m
−1) and their relationships with climatic factors.
Results of the study confirm that
E. coli removal is related to the fractions of fresh effluent remaining each day within the reservoir with MRT%FE of about 5–8
d, significantly lower than the nominal detention time (about 27
d). The
E. coli die-off coefficient (
K
T
) was higher during system discontinuous operations and correlated with incident solar radiation and water temperature.</abstract><cop>Kidlington</cop><pub>Elsevier Ltd</pub><pmid>18222594</pmid><doi>10.1016/j.jenvman.2007.12.015</doi><tpages>11</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0301-4797 |
| ispartof | Journal of environmental management, 2009, Vol.90 (1), p.604-614 |
| issn | 0301-4797 1095-8630 |
| language | eng |
| recordid | cdi_proquest_journals_195632937 |
| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Animal, plant and microbial ecology Applied ecology Bacteria removal Biological and medical sciences Conservation, protection and management of environment and wildlife E coli Effluents Escherichia coli Escherichia coli - isolation & purification extraction Feces - microbiology Fundamental and applied biological sciences. Psychology General aspects General aspects. Techniques Humans Italy Kinetics mathematical models Mean residence time Methods and techniques (sampling, tagging, trapping, modelling...) Modelling MRT%FE Operational parameters PFE Population Density reaction kinetics Reservoirs Sewage Sludge Waste Disposal, Fluid - methods Wastewater storage wastewater treatment Water Microbiology Water Pollution - prevention & control Water Purification - methods Water treatment plants |
| title | Modelling Escherichia coli concentration in a wastewater reservoir using an operational parameter MRT%FE and first order kinetics |
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