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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Payne, Sarah Jane Kogo, Aki Andrews, Robert C. |
| Description | Country affiliation: Canada Author Affiliation: Kogo A ( Department of Civil Engineering, University of Toronto,35 St. George Street, Toronto, ON M5S 1A4, Canada.); Payne SJ ( Department of Civil Engineering, University of Toronto,35 St. George Street, Toronto, ON M5S 1A4, Canada. Electronic address: sjo.payne@utoronto.ca.); Andrews RC ( Department of Civil Engineering, University of Toronto,35 St. George Street, Toronto, ON M5S 1A4, Canada.) |
| Abstract | Partial lead service line replacements (PLSLR) were simulated using five recirculating pipe loops treated with either zinc orthophosphate (1mg/L as P), orthophosphate (1mg/L as P) or sodium silicate (10mg/L). Two pipe loops served as â¿¿inhibitor-freeâ¿¿ (Pb-Cu) and â¿¿galvanic freeâ¿¿ (Pb-PVC) controls. Changes in water quality (CSMR [0.2 or 1], conductivity [â¿¿330mS/cm or â¿¿560mS/cm], chlorine [1.4mg/L]) were not observed to provide a significant impact on lead or copper release, although galvanic corrosion was shown to be a driving factor. Generally, both orthophosphate and zinc orthophosphate provided better corrosion control for both total and dissolved lead (30min, 6h, 65h) and copper (30min, 6h), when compared to either the inhibitor-free control or the sodium silicate treated system. This work highlights the importance of understanding the complex interplay of corrosion inhibitors on particulate and dissolved species when considering both lead and copper. |
| ISSN | 03043894 |
| Journal | Journal of Hazardous Materials |
| Volume Number | 329 |
| e-ISSN | 18733336 |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2017-05-05 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Environmental Science Discipline Environmental Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Pollution Waste Management and Disposal Health, Toxicology and Mutagenesis Environmental Engineering |
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