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    Influence of Planetary Protection Guidelines on Waste Management Operations

    Hogan, John A. / Fisher, John W. / Levri, Julie A. et al. | SAE Technical Papers | 2005
    Newly outlined missions in the Vision for U.S. Space Exploration include extended human habitation on Mars. During these missions, large ...
    Schlagwörter: Research and development

    Loading Balance and Influent pH in a Solids Thermophilic Aerobic Reactor

    Whitaker, Dawn R. / Alleman, James E. / Lane, John W. et al. | SAE Technical Papers | 2005
    investigation as part of the NASA Center of Research and Training (NSCORT) at Purdue University. Processing in the solids thermophilic aerobic reactor ...
    Schlagwörter: Research and development

    Solids Thermophilic Aerobic Reactor for Solid Waste Management in Advanced Life Support Systems

    Whitaker, Dawn R. / Alleman, James E. / Lane, John W. et al. | SAE Technical Papers | 2004
    Schlagwörter: Research and development

    Considerations in Selection of Solid Waste Management Approaches in Long-Duration Space Missions

    Hogan, John A. / Fisher, John W. / Levri, Julie A. et al. | SAE Technical Papers | 2002
    collection, storage and return to Earth. NASA's long-term objectives, however, will likely include human-rated missions that are longer in both ...

    Gaseous Ammonia Removal in Biofilters: Effect of Biofilter Media on Products of Nitrification

    Joshi, Jitendra A. / Hogan, John A. / Finstein, Melvin S. et al. | SAE Technical Papers | 1998
    The use of biofilters for the control of air contaminants in Advanced Life Support (ALS) systems is currently being investigated by the ...

    Water Recovery from Wastes in Space Habitats-a Comparative Evaluation of SBIR Prototypes

    Pace, Gregory / Hogan, John A. / Fisher, John W. et al. | SAE Technical Papers | 2009
    urine and humidity condensate and processes it to potable water specifications. However, there is more recoverable water in solid wastes such as ...

    Biological Processes for Air Trace Contaminant Control in ALS

    Joshi, Jitendra A. / Finstein, Melvin S. / Strom, Peter F. et al. | SAE Technical Papers | 1997
    or in complex mixtures, is provided. A brief summary of our current research on the removal of ethylene and ammonia (model compounds) through ...

    Preliminary Study of Greenhouse Grown Swiss Chard in Mixtures of Compost and Mars Regolith Simulant

    Hogan, John A. / Logendra, Logan S. / Gilrain, Matthew R. et al. | SAE Technical Papers | 1999
    The growth of Swiss chard in compost, Mars regolith simulant, and mixtures thereof, was studied for application in Advanced Life Support ...

    Modeling Ammonia Removal in Biofilters: Physical and Chemical Calibration

    Vaccari, David A. / Russell, James F. / Joshi, Jitendra A. et al. | SAE Technical Papers | 1998
    The use of air treatment biofilters for the control of trace air contaminants in advanced life support (ALS) systems is currently being ...

    Air Biofilter Design and Integration in ALS Systems: Effect of Inlet Gas Carbon and Nitrogen Properties

    Qiao, Feng / Hogan, John A. / Strom, Peter F. | SAE Technical Papers | 2003
    of biofilters are tightly coupled with waste stream characteristics. In particular, the inlet gas carbon to nitrogen ratio (C:N) will ...