• AWWA ACE59915

AWWA ACE59915

Oxidation and Adsorption of Fishy/Swampy/Grassy Odors in Drinking Water

American Water Works Association , 06/17/2004

Publisher: AWWA

File Format: PDF

$12.00$24.00


In order to comply with the regulations for disinfection byproducts, many utilities are utilizing alternative disinfectants, such as chlorine dioxide (ClO2) and chloramines, and are minimizing free chlorine (Cl2) contact time. This study investigated the ability or inability of ClO2, Cl2, and potassium permanganate to oxidize fishy/swampy/grassy odorants, and powdered activated carbon (PAC) to adsorb these compounds. ClO2 was found to be a selective oxidant for the control of these types of taste-and-odor problems, whereas maintaining some free Cl2 contact time (e.g., through the filters) or use of permanganate or PAC may be needed if prechlorination is eliminated. Includes 12 references, table, figures.

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