Determination of the total iodide content in desalinated seawater permeate

    Authors

    S. J. Duranceau

    Comments

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    Abbreviated Journal Title

    Desalination

    Keywords

    Desalination; Synthetic membrane processes; Permeate iodide; concentration; Seawater; Catalytic reduction analysis; DISINFECTION BY-PRODUCTS; SPECIATION; WATERS; OXIDATION; Engineering, Chemical; Water Resources

    Abstract

    An investigation was conducted to determine the iodide content of permeate collected from several operating facilities reliant upon synthetic membrane processes for seawater desalination. A possible, yet unintentional impact for communities that employ synthetic membrane processes for seawater desalination is the introduction of permeate streams containing iodide into their water supply, that then may result in the formation of iodinated disinfection by-products. To evaluate this potential, the iodide content of desalinated seawater permeate streams were measured using an analytical procedure based on the catalytic reduction of ceric sulfate by arsenious acid in a sulfuric acid solution. It was determined that iodide concentrations in permeate samples collected from seawater desalination facilities were less than the catalytic reduction method detection limit of 4.0 mu g/L for membrane feed seawaters that ranged between 51.1 mu g/L and 35.8 mu g/L of total iodide. Results of this investigation indicated that synthetic membrane processes can remove greater than 89% of the total iodide from the feedwater of seawater based on an iodide detection limit of 4.0 mu g/L. (c) 2010 Elsevier B.V. All rights reserved.

    Journal Title

    Desalination

    Volume

    261

    Issue/Number

    3

    Publication Date

    1-1-2010

    Document Type

    Article

    Language

    English

    First Page

    251

    Last Page

    254

    WOS Identifier

    WOS:000282203200007

    ISSN

    0011-9164

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