Occurrence of trace inorganic contaminants in drinking water distribution systems

被引：52

作者：

Peng, Ching-Yu ^{[1
]}

Hill, Andrew S. ^{[1
]}

Friedman, Melinda J. ^{[1
]}

Valentine, Richard L. ^{[1
]}

Larson, Gregory S. ^{[1
]}

Romero, Angela M. Y. ^{[1
]}

Reiber, Steve H. ^{[1
]}

Korshin, Gregory V. ^{[1
]}

机构：

[1] Univ Washington, Dept Civil & Environm Engn, Seattle, WA 98105 USA

来源：

JOURNAL AMERICAN WATER WORKS ASSOCIATION | 2012年 / 104卷 / 03期

基金：

美国国家科学基金会;

关键词：

D O I：

10.5942/jawwa.2012.104.0042

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Many trace inorganic contaminants (e.g., lead, arsenic, nickel, vanadium, and uranium) can accumulate on the surface of or be occluded within corrosion scales formed in drinking water distribution systems (DWDSs). However, few data are available on the actual concentrations of these contaminants beyond system entry points. An investigation was conducted to determine the occurrence levels and patterns of 11 trace inorganic contaminants in DWDSs. Among the trace inorganic contaminants found in practically all studied samples of intact corrosion scales and solids mobilized during hydrant flushing, barium was the most concentrated on a mass basis, followed by, in decreasing order, lead, nickel, vanadium, arsenic, chromium, uranium, cadmium, antimony, selenium, and thallium.

引用

页码：53 / 54

页数：2

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