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    Waste Management Options for Long-Duration Space Missions: When to Reject, Reuse, or Recycle

    Waste Management Options for Long-Duration Space Missions: When to Reject, Reuse, or Recycle


    The amount of waste generated on long-duration space missions away from Earth orbit creates the daunting challenge of how to manage the waste through reuse, rejection, or recycle. The option to merely dispose of the solid waste through an airlock to space was studied for both Earth-moon libration point missions and crewed Mars missions. Although the unique dynamic characteristics of an orbit around L2 might allow some discarded waste to intersect the lunar surface before re-impacting the spacecraft, the large amount of waste needed to be managed and potential hazards associated with volatiles recondensing on the spacecraft surfaces make this option problematic. A second option evaluated is to process the waste into useful gases to be either vented to space or used in various propulsion systems. These propellants could then be used to provide the yearly station-keeping needs at an L2 orbit, or if processed into oxygen and methane propellants, could be used to augment science exploration by enabling lunar mini landers to the far side of the moon.

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    Titel :

    Waste Management Options for Long-Duration Space Missions: When to Reject, Reuse, or Recycle

    Beteiligte:
    D. L. Linne (Autor:in) / B. A. Palaszewski (Autor:in) / S. Gokoglu (Autor:in) / C. A. Gallo (Autor:in) / R. Balasubramaniam (Autor:in) / U. G. Hegde (Autor:in)
    Erscheinungsdatum :

    2014

    Format / Umfang :

    9 pages

    Medientyp :

    Report

    Format :

    Keine Angabe

    Sprache :

    Englisch

    Schlagwörter :

    Life Support Systems , Waste utilization , Waste disposal , Long duration space flight , Ejection , Space processing , Propellants , Resistojet engines , Gas mixtures , Manned space flight , Liquid wastes , Solid wastes , Human wastes , International space station

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