2010
DOI: 10.2495/wp100061
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Pollution of drinking water transported by corroded metallic pipelines

Abstract: Corrosion of metallic water pipelines is a function of the pipe's surrounding environment (soil and water). This means that it is important to know the physical and chemical characteristics of the pipe's surrounding environment. The corrosion of externally unprotected metallic water pipelines, particularly ductile iron pipes, in localities with aggressive soil conditions is becoming a significant problem: repair and replacement costs are high, and failures cause supply interruptions to customers and inconvenie… Show more

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Cited by 4 publications
(7 citation statements)
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“…As with installation, maintenance should only be carried out by trained personnel, which helps avoid the introduction of parts with unsafe TM levels and the application of modifications that do not meet system specifications [ 9 , 37 ]. To prevent excessive damage to and corrosion of water system parts, maintenance should be conducted on a consistent preventive schedule, instead of only in response to problems [ 37 , 49 ].…”
Section: Resultsmentioning
confidence: 99%
See 1 more Smart Citation
“…As with installation, maintenance should only be carried out by trained personnel, which helps avoid the introduction of parts with unsafe TM levels and the application of modifications that do not meet system specifications [ 9 , 37 ]. To prevent excessive damage to and corrosion of water system parts, maintenance should be conducted on a consistent preventive schedule, instead of only in response to problems [ 37 , 49 ].…”
Section: Resultsmentioning
confidence: 99%
“…Another option is to line or coat parts with materials such as epoxy, resin, or polytetrafluoroethylene (“Teflon ® ”) to reduce exposed metal surface area over which corrosion can occur [ 45 , 49 , 63 ]. The effectiveness of this method is inconsistent.…”
Section: Resultsmentioning
confidence: 99%
“…Different soil types existed based on the texture of the soil and grain size such as clay, sandy, gravel, sand clay loam, clay loam, silty clay loam, silty clay and silt loam sand, and clay silt, among others 28 . Soil with high alkalinity such as in sandy soil may impose the general corrosion problem 29 . The soil particle size is an understudied factor related to the soil types and can influence the corrosion behavior 17 .…”
Section: Environmental Factorsmentioning
confidence: 99%
“…The process began with the contact of bacterial organisms to the pipe-surface caused by chemical and environmental changes in the soil. This interaction will produce several corrosive substances, including carbon dioxide, hydrogen sulphide, ammonia, and organic and inorganic acids 29 . The MIC and pitting corrosion will occur where these substances are present.…”
Section: Microbial Activitiesmentioning
confidence: 99%
“…2 Industries are required to control their discharge by using some measures for environmental protection. 3,4 Generally, the effluents from textile industries contain various chemicals, primarily dyes, employed for treatments such as scouring, dyeing and finishing of textiles. Lubricants used in waving equipment, spinning equipment and knitting and other equipment also reach these effluents along with additive chemicals.…”
Section: Introductionmentioning
confidence: 99%