Effects of blending on surface characteristics of copper corrosion products in drinking water distribution systems

被引：33
|
作者：
Xiao, Weizhong
Hong, Seungkwan
Tang, Zhijian
Seal, Sudipta
Taylor, James S.
机构：
[1] Korea Univ, Dept Civil & Environm Engn, Seoul 136701, South Korea
[2] ZFI, Water Engn & Sci, Orlando, FL 32826 USA
[3] Penn State Harrisburg, Environm Engn, Middletown, PA 17057 USA
[4] Univ Cent Florida, Adv Mat Proc & Anal Ctr, Orlando, FL 32816 USA
[5] Univ Cent Florida, Nanosci & Technol Ctr, NSTC, Orlando, FL 32816 USA
[6] Univ Cent Florida, Dept Civil & Environm Engn, Orlando, FL 32816 USA
来源：
CORROSION SCIENCE | 2007年 / 49卷 / 02期
关键词：
copper; modelling studies; XPS; XRD; corrosion potential;
D O I：
10.1016/j.corsci.2006.04.018
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Copper scales formed over 6-months during exposure to ground, surface and saline waters were characterized by EDS, XRD and XPS. Scale color and hardness were light red-brown-black/hard for high alkalinity and blue-green/soft for high SO4 or Cl waters. Cl was present in surface or saline copper scales. The Cu/Cu2O ratio decreased with time indicating an e transfer copper corrosion mechanism. Cu2O, CuO, and Cu(OH)(2) dominated the top 0.5-1 A degrees scale indicating continuous corrosion. Cu2O oxidation to CuO increased with alkalinity, and depended on time and pH. Total copper release was predicted using a Cu(OH)(2) model. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：449 / 468
页数：20
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