The Trace Contaminant Control System (TCCS) removes most hazardous contaminants from the space station atmosphere using a carbon bed, but some must be destroyed in a high atmosphere catalytic oxidizer. While the oxidizer is protected from catalyst poisons by the carbon bed, if contaminant loads are greater than anticipated, the catalyst may be exposed to a variety of poisons. Thus, we studied the effect of halocarbons, sulfides and nitrogen compounds on the catalytic activity and the products produced. We found that even if poisoning occurs, the catalyst will recover, and will not produce toxic partial oxidation products.


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    Title :

    An investigation of International Space Station trace contaminant oxidation catalyst poisoning


    Additional title:

    Eine Untersuchung der Vergiftung des Oxidationskatalysators für Verunreinigungsspuren in der internationalen Raumstation


    Contributors:
    Wright, J.D. (author) / Chen, B. (author) / Wang, C. (author) / Perry, J. (author) / Tatara, J.D. (author)

    Published in:

    Publication date :

    1996


    Size :

    7 Seiten, 9 Bilder, 4 Quellen



    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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