It was aimed to develop a system to treat emulsified oil discharged from ship's engine rooms. The efficiency of the targeted system was to reduce the oil content of the drain to 15 ppm or less so that the drain could be discharged into the sea. A biological treatment system was developed using a fluidized bed in which the drain and sludge are efficiently mixed by aeration and stirring. A specific sludge with enhanced oil decomposing ability is used in the system. Shipboard tests were performed using a pilot test system, the capacity of the reaction chamber of which is 0.5 m3 and oil volume load, 0.4 kg-oil/(m3.d), and future possible applications to the treatment system for ships were confirmed. This would bring great reduction in the load on existing oil separators, saving its overall maintenance cost.


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    Titel :

    Development of bio-treatment system of oily bilge drained from ship engine room


    Weitere Titelangaben:

    Entwicklung eines Biobehandlungssystems für Ölbilge, die aus dem Schiffsmaschinenraum abgelassen wird


    Beteiligte:
    Nakamura, H.K. (Autor:in) / Tabata, M. (Autor:in) / Ogawa, N. (Autor:in) / Zaitsu, A. (Autor:in) / Hirata, T. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    1996


    Format / Umfang :

    5 Seiten, 6 Bilder, 2 Tabellen, 7 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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    Nakamura, H.K. / Zaitsu, A. / Nobeyama, N. et al. | Tema Archiv | 1995


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