Lithium is an ideal metal material for batteries that have been widely used in portable electronics such as cell phones, notebook computers and digital cameras. It is predicted that the lithium mineral resources will be insufficient in future demands for lithium as an energy source on making large capacity of batteries for electric vehicles, wind or solar electricity generation systems, aerospace developments, etc. The possible future resources will be seawater. During 1999 to 2000, a large research and development project, 'Development of Floating System for Recovery of Lithium from Seawater', was carried out sponsored by Japanese Ship and Ocean Foundation. The project was divided into two stages: feasibility study in 1999 and model test at sea in 2000. From 2003 to 2004, another large project was conducted as a part of the 'Research Project for New Regional Consortium 2003-2004' sponsored by the Japanese Ministry of Economy, Trade and Industry. In the present study, a floating system for recovery of lithium from seawater is presented. The floating system consists of adsorbent tanks with double hull and double bottom structures. Several key technologies are developed for the system, such as non-return valve, adsorbent tank, swash bulkheads in adsorbent tanks, double hull structures with inlet holes on inner bottom and ballast tanks in side hulls. Seawater flows into double bottom structures from suction holes on the bilge, then flows into the adsorbent tanks through the non-return valves on inner bottom, and passes through the piled adsorbent. Finally seawater is discharged out of the adsorbent tanks from drain holes on the sheer strake by drain pumps. A floating tank integrated with the key technologies was modeled and the model test was carried out at sea. In addition, an economic assessment on the system has been made. The study results demonstrate that the proposed floating system is promising and the system technologies are reliable.


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    Titel :

    Development of floating system for recovery of lithium from seawater


    Weitere Titelangaben:

    Entwicklung eines schwimmenden Systems zur Wiedergewinnung von Lithium aus Meerwasser


    Beteiligte:
    Zhou, Guoqiang (Autor:in) / Yao, Xiongliang (Autor:in) / Sun, Liping (Autor:in)


    Erscheinungsdatum :

    2006


    Format / Umfang :

    7 Seiten, 6 Bilder, 11 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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