Abstract The filtrate of non-catalytical wet-oxidized sewage sludge was wet-oxidized again at 290 °C and 300 °C with a RuRh catalyst. At each temperature, repeated batch tests were carried out. Both oxidation and denitrification efficiency of organic matter in the raw material were studied. In the 16 times batch tests at 300 °C, high and stable oxidation occurred. 98.0% of organic carbon in the raw material was oxidized and 98.3% of organic nitrogen was denitrified. At 290 °C, though high and stable denitrification occurred, oxidation did not occur highly and stably. A catalytic wet-oxidation system studied at 300 °C will be useful as a waste management system for a human life support system, where almost all food is resupplied from the earth. This system can prevent organic waste accumulation in the life support system.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Catalytic wet-oxidation of human wastes produced in space: The effects of temperature elevation


    Contributors:
    Takeda, N. (author) / Takahashi, Y. (author)

    Published in:

    Publication date :

    1991-01-01


    Size :

    4 pages




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Space disposal of nuclear wastes

    Perlich, W. F. | NTRS | 1975


    Elevation-controllable sub-space bearing flight power device

    SUN ZHIGANG | European Patent Office | 2022

    Free access

    Catalytic filter for diesel soot low temperature oxidation

    Ciambelli, P. / Russo, P. / Vaccaro, S. et al. | SAE Technical Papers | 1999


    Destruction of Propellant Wastes Using Molten Salt Oxidation

    Flanagan, J. E. / Stewart, A. E. / Weber, J. F. et al. | British Library Conference Proceedings | 1995


    Planning the High Elevation/High Temperature Airport

    Beatty, John P. / Francillon, Rene J. | SAE Technical Papers | 1978