For prolonged manned spaceflight, recycling of wastewater is critical to minimize payload costs. We have constructed a pilot-scale, closed-loop water recycling system (CLWRS). Due to slow process dynamics, evaluation of multiple experimental scenarios is very time-consuming. To accelerate evaluation, we have developed mathematical models of the individual reactors, as well as a process model of the pilot plant, which combines nitrification, denitrification, recycle, and degassing steps. The simulation accurately reproduces the 35% total nitrogen (TN) reduction observed experimentally at a 20/1 recycle ratio. Both experiments and simulations indicate that biological CLWRS have significant potential for long-duration manned space flight.


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    Titel :

    Modeling a Biological Closed Loop Water Recycling System for Prolonged Manned Space Flight


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Carey, Alison (Autor:in) / Jackson, Andrew (Autor:in) / Morse, Audra (Autor:in) / Xia, Shu (Autor:in) / Wiesner, Theodore F. (Autor:in)

    Kongress:

    International Conference On Environmental Systems ; 2004



    Erscheinungsdatum :

    19.07.2004




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Modeling a Biological Closed Loop Water Recycling System for Prolonged Manned Space Flight

    Xia, S. / Carey, A. / Wiesner, T. F. et al. | British Library Conference Proceedings | 2004




    Manned Space Flight

    Holmes, Brainerd | NTRS | 1962


    Manned space flight

    Woolford, Barbara J. | NTRS | 1986