Title

Characteristics Of Iron Corrosion Scales Established Under Blending Of Ground, Surface, And Saline Waters And Their Impacts On Iron Release In The Pipe Distribution System

Keywords

Iron corrosion; RMS; Siderite; Water blending; XPS; XRD

Abstract

Interior scales on PVC, lined ductile iron (LDI), unlined cast iron (UCI) and galvanized steel (G) were analyzed by XRD, RMS, and XPS after contact with varying water quality for 1 year. FeCO3, α-FeOOH, β-FeOOH, γ-Fe2O3, Fe3O4 were identified as primary UCI corrosion products. No FeCO3 was found on G. The order of Fe release was UCI > G ≥ LDI > PVC. For UCI, Fe release decreased as % Fe3O4 increased and as % Fe 2O3 decreased in scale. Soluble Fe and FeCO3 transformation indicated FeCO3 solid was controlling Fe release. FeCO3 model and pilot data showed Fe increased as alkalinity and pH decreased. © 2005 Elsevier Ltd. All rights reserved.

Publication Date

2-1-2006

Publication Title

Corrosion Science

Volume

48

Issue

2

Number of Pages

322-342

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1016/j.corsci.2005.02.005

Socpus ID

29244433722 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/29244433722

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