{"refrec":{"BRefID":339932,"RR":"<b>Xie, Y.; Giammar, D.E.</b> (2011). Effects of flow and water chemistry on lead release rates from pipe scales. <i>Wat. Res. 45(19)</i>: 6525-6534. <a href=\"https://dx.doi.org/10.1016/j.watres.2011.09.050\" target=\"_blank\">https://dx.doi.org/10.1016/j.watres.2011.09.050</a>","BEntID":336567,"PublicFlag":1,"CheckedFlag":0,"wosflag":1,"vabbflag":1,"RefStringPartII":". <i>Wat. Res. 45(19)</i>: 6525-6534. <a href=\"https://dx.doi.org/10.1016/j.watres.2011.09.050\" target=\"_blank\">https://dx.doi.org/10.1016/j.watres.2011.09.050</a>","DocTypID":8,"DocType":"Journal article","MarineFlag":0,"FreshFlag":0,"BrackishFlag":0,"TerrestrialFlag":0,"Authorstring":"Xie, Y.; Giammar, D.E.","OrigTitleTranslFlag":0,"Authorstringtrunc":"Xie, Y.; Giammar, D.E.","Englishabstract":"Lead release from pipe scales was investigated under different water compositions, stagnation times, and flow regimes. Pipe scales containing PbO<sub>2</sub> and hydrocerussite (Pb<sub>3</sub>(OH)<sub>2</sub>(CO<sub>3</sub>)<sub>2</sub>) were developed on lead pipes by conditioning the pipes with water containing free chlorine for eight months. Water chemistry and the composition of the pipe scales are two key factors affecting lead release from pipe scales. The water rarely reached equilibrium with pipe scales within one day, which makes solid-water contact time and corrosion product dissolution rates the controlling factors of lead concentrations for the conditions tested. Among five water compositions studied, a solution with orthophosphate had the lowest dissolved lead release rate and highest particulate lead release rate. Free chlorine also decreased the dissolved lead release rate at stagnant conditions. Water flow increased rates of release of both dissolved and particulate lead by accelerating the mass transfer of lead out of the porous pipe scales and by physically destabilizing pipe scales. Dissolved lead comprised the majority of the lead released at both stagnant and laminar flow conditions.","AbstractOtherLang":null,"BibLvlCode":"AS","StandardTitle":"Effects of flow and water chemistry on lead release rates from pipe scales","OrigTitleLangCode":"en","OrigTitleLangCodeExtended":"eng","OrigTitleLangID":15,"DateLastModified":{"date":"2026-06-16 01:33:26.501077","timezone_type":1,"timezone":"+02:00"},"UserAccessRight":null,"UserAccID":null,"AuthorKeywords":"Lead release rates; Lead pipe scale; Lead(IV) oxide; Water chemistry; Water distribution; Corrosion","OtherDescriptors":null,"Notes":null,"AnaPub":2011,"MonPub":null,"DateUpdate":"2021-07-09","DateCreate":"2021-07-09","SecASFANote":null,"ConfID":null,"PeerRev":1,"VlizCoreFlag":1,"WoScode":"WOS:000297485600024","VABBcode":null,"OpenAcc":0,"DOI":"10.1016/j.watres.2011.09.050"},"refs":null,"anarec":{"AnaID":339932,"PubliDate":2011,"Pagination":"6525-6534","XtraPublOfAnaID":null,"ISBN":null,"Volume":"45","Issue":"19","BRefMon":null,"BRefMonRR":null,"BRefXtra":null,"BRefXtraRR":null,"SerBRefID":44009,"SerRR":"Water Research. 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