Bioregenerative processes for the replenishment of plant nutrients in CELSS are being evaluated. Continuous operation of a breadboard-scale aerobic bioreactor (breadboard-scale aerobic bioreactor, 120 L working volume) has been used successfully to resupply partially the nutrients required for hydroponically grown wheat (4 m2 growing area, 57 days bioreactor operation) and potato (8 m2 growing area, 310 days bioreactor operation). Bioreactor performance, measured by reduction in volatile solids (27 to 37% wheat, ca. 51% potato) and mineralization of biomass C (24 to 37% wheat, 35 to 61% potato), depended on process parameters such as retention time.


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    Title :

    Recycling Plant Nutrients at NASA's KSC-CELSS Breadboard Project: Biological Performance of the Breadboard-Scale Aerobic Bioreactor During Two Runs


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Conference on Environmental Systems ; 1995



    Publication date :

    1995-07-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English