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Radioactive cesium removal from nuclear wastewater by novel inorganic and conjugate adsorbents

無機吸着剤および共役系吸着剤による放射性汚染水からのセシウム除去

Awual, M. R.; 鈴木 伸一; 田口 富嗣; 塩飽 秀啓; 岡本 芳浩; 矢板 毅

Awual, M. R.; Suzuki, Shinichi; Taguchi, Tomitsugu; Shiwaku, Hideaki; Okamoto, Yoshihiro; Yaita, Tsuyoshi

This work was focused on the promising inorganic and ligand immobilized conjugate materials for selective and high capacity of radioactive cesium (Cs) removal from radioactive liquid waste in Fukushima after an accident at Daiichi Nuclear Power Plant hit by the Great East Japan Earthquake and tsunami on 11 March 2011. The conjugate adsorbent was prepared by direct immobilization of crown ether onto mesoporous silica monoliths. The Cs sorption behavior was investigated using batch equilibrium technique. The effective pH range for high Cs capacity was possible within the neutral pH region and the maximum sorption capacities were 50.23 and 27.40 mg/g for conjugate adsorbent and inorganic adsorbent, respectively.

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パーセンタイル:0.67

分野:Engineering, Environmental

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