A solid-amine water (steam) desorbed (SAWD) carbon dioxide removal subsystem is a candidate for use on the proposed U.S. Space Station for removing carbon dioxide (CO2) from the spacecraft cabin atmosphere. To evaluate the long-term stability of the solid amine resin, IRA-45, with respect to repeated CO2 absorption and steam desorption cycling, an automated laboratory flowtest facility was assembled. Packed columns of IRA-45 resin were tested under simulated Space Station cabin conditions for 569 cycles to determine the decrease in CO2 absorption capacity as a function of the number of cycles and the volatile organic compounds released by steam desorption cycling. Carbon dioxide capatcity was measured in real-time during each cycle. Organic volatiles in the resin-desorbed CO2 and in the simulated cabin air flow were trapped on graphitic carbon adsorbents. Analyses of the trapped volatiles were performed using gas chromatography (GC) and mass spectrometry (MS).


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    Title :

    Stability of IRA-45 solid amine resin as a function of carbon dioxide absorption and steam desorption cycling


    Additional title:

    Stabilitaet des festen Aminharzes IRA-45 als Funktion der Kohlendioxid-Absorption und des Dampfdesorptionskreislaufes


    Contributors:
    Wood, P.C. (author) / Wydeven, T. (author)

    Published in:

    SAE-Papers ; Jul ; 1-14


    Publication date :

    1987


    Size :

    14 Seiten, 8 Bilder, 3 Tabellen, 14 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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