The collection of uranium from sea water with hydrous metal oxide. IV. Physical properties and uranium adsorption of hydrous titanium(IV) oxide.
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概要
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The adsorption of uranium from sea water with hydrous titanium(IV) oxide(HTO) was studied. HTO was prepared by mixing titanium(IV) chloride and aqueous ammonia at different pHs and temperatures. The fundamental property of HTO was investigated for apparent crystal size, specific surface area, and pore size. The uranium uptake of HTO was found to depend more strongly on the temperature than on the pH in the preparation. HTO prepared at higher temperatures exhibited larger pores and a higher uranium uptake. A kinetic study of the uranium adsorption revealed that the rate of adsorption was controlled by the particle diffusion. The diffusion coefficients were calculated.
- 公益社団法人 日本化学会の論文
著者
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NAKAJIMA Fumito
Hitachi Research Laboratory, Hitachi Ltd.
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OZAWA Yoshihiro
Energy Research Laboratory, Hitachi Ltd.
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MURATA Toshifumi
Energy Research Laboratory, Hitachi Ltd.
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YAMASHITA Hisao
Hitachi Research Laboratory, Hitachi Ltd.
関連論文
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- The collection of uranium from sea water with hydrous metal oxide. II. The mechanism of uranium adsorption on hydrous titanium (IV) oxide.
- Uranium extraction from sea water with composite adsorbents. II. Uranium adsorption on composite hydrous titanium(IV)-iron(II) oxide.:Uranium Adsorption on Composite Hydrous Titanium (IV) -Iron (II) Oxide
- Uranium extraction from sea water with composite adsorbents. IV. Uranium adsorption on composite hydrous titanium(IV)-iron(II) oxides prepared by precipitation from homogeneous solutions.:Uranium Adsorption on Composite Hydrous Titanium(IV)-Iron(II) Oxide
- The collection of uranium from sea water with hydrous metal oxide. IV. Physical properties and uranium adsorption of hydrous titanium(IV) oxide.
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