Aquaculture of Uranium in Seawater by a Fabric-Adsorbent Submerged System

DOI Web Site 被引用文献7件
  • Noriaki Seko
    Japan Atomic Energy Research Institute Takasaki Radiation Chemistry Research Establishment 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
  • Akio Katakai
    Japan Atomic Energy Research Institute Takasaki Radiation Chemistry Research Establishment 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
  • Shin Hasegawa
    Japan Atomic Energy Research Institute Takasaki Radiation Chemistry Research Establishment 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
  • Masao Tamada
    Japan Atomic Energy Research Institute Takasaki Radiation Chemistry Research Establishment 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
  • Noboru Kasai
    Japan Atomic Energy Research Institute Takasaki Radiation Chemistry Research Establishment 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
  • Hayato Takeda
    Japan Atomic Energy Research Institute Takasaki Radiation Chemistry Research Establishment 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
  • Takanobu Sugo
    Japan Atomic Energy Research Institute Takasaki Radiation Chemistry Research Establishment 1233 Watanuki, Takasaki, Gunma 370-1292, Japan
  • Kyoichi Saito
    Chiba University, Department of Materials Technology 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan

書誌事項

公開日
2003-11
DOI
  • 10.13182/nt03-2
公開者
Informa UK Limited

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説明

The total amount of uranium dissolved in seawater at a uniform concentration of 3 mg U/m{sup 3} in the world's oceans is 4.5 billion tons. An adsorption method using polymeric adsorbents capable of specifically recovering uranium from seawater is reported to be economically feasible. A uranium-specific nonwoven fabric was used as the adsorbent packed in an adsorption cage 16 m{sup 2} in cross-sectional area and 16 cm in height. We submerged three adsorption cages in the Pacific Ocean at a depth of 20 m at 7 km offshore of Japan. The three adsorption cages consisted of stacks of 52 000 sheets of the uranium-specific non-woven fabric with a total mass of 350 kg. The total amount of uranium recovered by the nonwoven fabric was >1 kg in terms of yellow cake during a total submersion time of 240 days in the ocean.

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