Chlorite and Chlorate ion variability IN DISTRIBUTION SYSTEMS
This study tracked changes in chlorite ion (ClO2–) and chlorate ion (ClO3–) concentrations in the distribution system of the City of Laval, Québec, following use of chlorine dioxide (ClO2) or free chlorine. Water was collected in small‐ and large‐diameter pipes with respect to the residence time of...
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| Veröffentlicht in: | Journal - American Water Works Association 2002-07, Vol.94 (7), p.96-105 |
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| creator | BARIBEAU, HÉLÈNE PRÉVOST, MICHÈLE DESJARDINS, RAYMOND LAFRANCE, PIERRE GATES, DONALD J. |
| description | This study tracked changes in chlorite ion (ClO2–) and chlorate ion (ClO3–) concentrations in the distribution system of the City of Laval, Québec, following use of chlorine dioxide (ClO2) or free chlorine. Water was collected in small‐ and large‐diameter pipes with respect to the residence time of each sampling point. In the network fed by a treatment plant using ClO2 in postdisinfection, ClO2– concentrations decreased with increasing water residence time. In the networks fed by treatment plants using free chlorine in postdisinfection, ClO2– levels remained below the method detection limit (MDL). ClO3– concentrations measured in the network following ClO2 postdisinfection were found to be either below the MDL or stable at a low level (0.09 mg/L) in cold water; ClO3– levels decreased slightly in warm water with increasing residence time. In the networks using free chlorine as a postdisinfectant, ClO3– levels showed significant variations in their overall concentrations during different samplings or with specific changes in their concentration related to residence time. |
| doi_str_mv | 10.1002/j.1551-8833.2002.tb09510.x |
| format | Article |
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Water was collected in small‐ and large‐diameter pipes with respect to the residence time of each sampling point. In the network fed by a treatment plant using ClO2 in postdisinfection, ClO2– concentrations decreased with increasing water residence time. In the networks fed by treatment plants using free chlorine in postdisinfection, ClO2– levels remained below the method detection limit (MDL). ClO3– concentrations measured in the network following ClO2 postdisinfection were found to be either below the MDL or stable at a low level (0.09 mg/L) in cold water; ClO3– levels decreased slightly in warm water with increasing residence time. In the networks using free chlorine as a postdisinfectant, ClO3– levels showed significant variations in their overall concentrations during different samplings or with specific changes in their concentration related to residence time.</description><identifier>ISSN: 0003-150X</identifier><identifier>EISSN: 1551-8833</identifier><identifier>DOI: 10.1002/j.1551-8833.2002.tb09510.x</identifier><identifier>CODEN: JAWWA5</identifier><language>eng</language><publisher>Denver, CO: American Water Works Association</publisher><subject>Alternative Disinfectants ; Antiseptics ; Applied sciences ; Bacteria ; Buildings. Public works ; Chemicals ; Chemistry ; Chlorates ; Chlorine ; Chromatography ; Compliance ; Dioxides ; Disinfection ; Disinfection & disinfectants ; Disinfection Byproducts ; Distribution Systems ; Distribution. Storage ; Drinking water ; Drinking water and swimming-pool water. Desalination ; Exact sciences and technology ; Observational research ; Pollution ; Potable water ; Regulations ; Treatment Plants ; Waste byproducts ; Water distribution systems ; Water Quality ; Water supply. Pipings. Water treatment ; Water treatment ; Water treatment and pollution ; Water utilities</subject><ispartof>Journal - American Water Works Association, 2002-07, Vol.94 (7), p.96-105</ispartof><rights>Copyright© 2002 AWWA</rights><rights>2002 American Water Works Association</rights><rights>2002 INIST-CNRS</rights><rights>Copyright American Water Works Association Jul 2002</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4290-e0fff9e0d2ed36821c70099468a03c1a76b654a535b26cc87cf993858a5e56863</citedby><cites>FETCH-LOGICAL-c4290-e0fff9e0d2ed36821c70099468a03c1a76b654a535b26cc87cf993858a5e56863</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://www.jstor.org/stable/pdf/41298419$$EPDF$$P50$$Gjstor$$H</linktopdf><linktohtml>$$Uhttps://www.jstor.org/stable/41298419$$EHTML$$P50$$Gjstor$$H</linktohtml><link.rule.ids>314,780,784,803,1417,27923,27924,45573,45574,58016,58249</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13785722$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>BARIBEAU, HÉLÈNE</creatorcontrib><creatorcontrib>PRÉVOST, MICHÈLE</creatorcontrib><creatorcontrib>DESJARDINS, RAYMOND</creatorcontrib><creatorcontrib>LAFRANCE, PIERRE</creatorcontrib><creatorcontrib>GATES, DONALD J.</creatorcontrib><title>Chlorite and Chlorate ion variability IN DISTRIBUTION SYSTEMS</title><title>Journal - American Water Works Association</title><description>This study tracked changes in chlorite ion (ClO2–) and chlorate ion (ClO3–) concentrations in the distribution system of the City of Laval, Québec, following use of chlorine dioxide (ClO2) or free chlorine. Water was collected in small‐ and large‐diameter pipes with respect to the residence time of each sampling point. In the network fed by a treatment plant using ClO2 in postdisinfection, ClO2– concentrations decreased with increasing water residence time. In the networks fed by treatment plants using free chlorine in postdisinfection, ClO2– levels remained below the method detection limit (MDL). ClO3– concentrations measured in the network following ClO2 postdisinfection were found to be either below the MDL or stable at a low level (0.09 mg/L) in cold water; ClO3– levels decreased slightly in warm water with increasing residence time. In the networks using free chlorine as a postdisinfectant, ClO3– levels showed significant variations in their overall concentrations during different samplings or with specific changes in their concentration related to residence time.</description><subject>Alternative Disinfectants</subject><subject>Antiseptics</subject><subject>Applied sciences</subject><subject>Bacteria</subject><subject>Buildings. Public works</subject><subject>Chemicals</subject><subject>Chemistry</subject><subject>Chlorates</subject><subject>Chlorine</subject><subject>Chromatography</subject><subject>Compliance</subject><subject>Dioxides</subject><subject>Disinfection</subject><subject>Disinfection & disinfectants</subject><subject>Disinfection Byproducts</subject><subject>Distribution Systems</subject><subject>Distribution. Storage</subject><subject>Drinking water</subject><subject>Drinking water and swimming-pool water. Desalination</subject><subject>Exact sciences and technology</subject><subject>Observational research</subject><subject>Pollution</subject><subject>Potable water</subject><subject>Regulations</subject><subject>Treatment Plants</subject><subject>Waste byproducts</subject><subject>Water distribution systems</subject><subject>Water Quality</subject><subject>Water supply. Pipings. 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American Water Works Association</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>BARIBEAU, HÉLÈNE</au><au>PRÉVOST, MICHÈLE</au><au>DESJARDINS, RAYMOND</au><au>LAFRANCE, PIERRE</au><au>GATES, DONALD J.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Chlorite and Chlorate ion variability IN DISTRIBUTION SYSTEMS</atitle><jtitle>Journal - American Water Works Association</jtitle><date>2002-07</date><risdate>2002</risdate><volume>94</volume><issue>7</issue><spage>96</spage><epage>105</epage><pages>96-105</pages><issn>0003-150X</issn><eissn>1551-8833</eissn><coden>JAWWA5</coden><abstract>This study tracked changes in chlorite ion (ClO2–) and chlorate ion (ClO3–) concentrations in the distribution system of the City of Laval, Québec, following use of chlorine dioxide (ClO2) or free chlorine. Water was collected in small‐ and large‐diameter pipes with respect to the residence time of each sampling point. In the network fed by a treatment plant using ClO2 in postdisinfection, ClO2– concentrations decreased with increasing water residence time. In the networks fed by treatment plants using free chlorine in postdisinfection, ClO2– levels remained below the method detection limit (MDL). ClO3– concentrations measured in the network following ClO2 postdisinfection were found to be either below the MDL or stable at a low level (0.09 mg/L) in cold water; ClO3– levels decreased slightly in warm water with increasing residence time. In the networks using free chlorine as a postdisinfectant, ClO3– levels showed significant variations in their overall concentrations during different samplings or with specific changes in their concentration related to residence time.</abstract><cop>Denver, CO</cop><pub>American Water Works Association</pub><doi>10.1002/j.1551-8833.2002.tb09510.x</doi><tpages>10</tpages></addata></record> |
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| subjects | Alternative Disinfectants Antiseptics Applied sciences Bacteria Buildings. Public works Chemicals Chemistry Chlorates Chlorine Chromatography Compliance Dioxides Disinfection Disinfection & disinfectants Disinfection Byproducts Distribution Systems Distribution. Storage Drinking water Drinking water and swimming-pool water. Desalination Exact sciences and technology Observational research Pollution Potable water Regulations Treatment Plants Waste byproducts Water distribution systems Water Quality Water supply. Pipings. Water treatment Water treatment Water treatment and pollution Water utilities |
| title | Chlorite and Chlorate ion variability IN DISTRIBUTION SYSTEMS |
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