Modified Larsons ratio incorporating temperature, water age, and electroneutrality effects on red water release

    Authors

    S. A. Imran; J. D. Dietz; G. Mutoti; J. S. Taylor;A. A. Randall

    Comments

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    Abbreviated Journal Title

    J. Environ. Eng.-ASCE

    Keywords

    corrosion; water distribution; potable water; water treatment; water; temperature; water quality; color; cast iron; MILD-STEEL; CORROSION; Engineering, Environmental; Engineering, Civil; Environmental Sciences

    Abstract

    Corrosion indices have a historical as well as practical relevance in drinking water treatment. The development of reliable indicators of corrosion related problems, like red water, is an ongoing process in the drinking water industry. Due to the complexity of interaction among the physical, chemical, and biological reactions taking place within a typical distribution system, mechanistic models are difficult to formulate. Even if such a model was available, fitting it to actual field conditions would still be an empirical process. Corrosion indices give simplistic generalizations to complex corrosion phenomena. A modified form of the Larson Ratio that includes the effects of temperature and hydraulic retention time is proposed based on apparent color release data available from a 2 year pilot distribution system study.

    Journal Title

    Journal of Environmental Engineering-Asce

    Volume

    131

    Issue/Number

    11

    Publication Date

    1-1-2005

    Document Type

    Article

    Language

    English

    First Page

    1514

    Last Page

    1520

    WOS Identifier

    WOS:000232767000007

    ISSN

    0733-9372

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