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An advanced oxidation process for DBP control.

J M Symons, K L Worley

    Journal - American Water Works Association
    |November 1, 1995
    PubMed
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    This study presents a simple advanced oxidation process for small water utilities, using hydrogen peroxide and UV lamps. A predictive model accurately forecasts the removal of organic contaminants and their precursors.

    Area of Science:

    • Environmental Engineering
    • Water Treatment Technologies
    • Oxidation Processes

    Background:

    • Small water utilities face challenges with complex treatment systems.
    • Advanced oxidation processes offer potential for efficient contaminant removal.
    • Need for simplified, effective water treatment solutions.

    Purpose of the Study:

    • To evaluate a simplified advanced oxidation process for small water systems.
    • To assess the efficacy of hydrogen peroxide and UV light for water treatment.
    • To validate a predictive model for contaminant degradation.

    Main Methods:

    • Implementation of a straightforward advanced oxidation process using a pump for hydrogen peroxide addition and a power supply for UV lamps.
    • Experimental investigation of contaminant removal.

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  • Application of the photon-flux-driven pseudo-first-order model (Prengle-Shimoda rate model).

    • Main Results:

    • The investigated advanced oxidation process is simple to operate and produces no solid residuals.
    • The Prengle-Shimoda rate model accurately predicted the destruction of total organic carbon.
    • The model also effectively predicted the reduction of dissolved organic halogen and its precursors.

    Conclusions:

    • The studied advanced oxidation process is a viable and simple solution for small water utilities.
    • The Prengle-Shimoda rate model provides a reliable tool for predicting treatment efficiency.
    • This approach can improve water quality by removing organic contaminants effectively.