Abstract In CELSS (Controlled Ecological Life Support System), utilization of photosynthetic algae is an effective means for obtaining food and oxygen at the same time. We have chosen Spirulina , a blue-green alga, and have studied possibilities of algae utilization. We have developed an advanced algae cultivation system, which is able to produce algae continuously in a closed condition. Major features of the new system are as follows. o (1)In order to maintain homogeneous culture conditions, the cultivator was designed so as to cause a swirl on medium circulation. (2)Oxygen gas separation and carbon dioxide supply are conducted by a newly designed membrane module. (3)Algae mass and medium are separated by a specially designed harvester. (4)Cultivation conditions, such as pH, temperature, algae growth rate, light intensity and quanlity of generated oxygen gas are controlled by a computer system and the data are automatically recorded. This equipment is a primary model for ground experiments in order to obtain some design data for space use. A feasibility of algae cultivation in a closed condition is discussed on the basis of data obtained by use of this new system.


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    Titel :

    Closed and continuous algae cultivation system for food production and gas exchange in CELSS


    Beteiligte:
    Oguchi, Mitsuo (Autor:in) / Otsubo, Koji (Autor:in) / Nitta, Keiji (Autor:in) / Shimada, Atsuhiro (Autor:in) / Fujii, Shigeo (Autor:in) / Koyano, Takashi (Autor:in) / Miki, Keizaburo (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    01.01.1989


    Format / Umfang :

    9 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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