The Microbial Check Valve (MCV) is used on the Space Shuttle to impart an iodine residual to the drinking water to maintain microbial control. Approximately twenty MCV locations have been identified in the Space Station Freedom design, each with a 90-day life. This translates to 2400 replacement units in 30 years of operation. An in situ regeneration concept has been demonstrated that will reduce this replacement requirement to less than 300 units based on data to date. A totally automated system will result in significant savings in crew time, resupply requirements, and replacement costs. An additional feature of the device is the ability to provide a concentrated biocide source (200 mg/liter of I2) that can be used to superiodinate systems routinely or after a microbial upset.


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    Title :

    Regenerable biocide delivery unit


    Contributors:

    Conference:

    International Conference on Environmental Systems ; 1991 ; San Francisco, CA, United States


    Publication date :

    1991-01-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




    Regenerable Biocide Delivery Unit

    Jolly, Clifford D. / Colombo, Gerald V. / Sauer, Richard L. | SAE | 1991


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