Sorption of transition metals on manganese and iron oxides,and silicate minerals |
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| Authors: | Noburu Takematsu |
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| Institution: | (1) The Institute of Physical and Chemical Research, Wako-shi, 351 Saitama, Japan |
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| Abstract: | Experiments of sorption of Mn, Co, Ni, Cu and Zn on manganese oxides, hydrated ferric oxide, Na-montmorillonite and treated red clay are carried out in connection with the mechanisms by which transition metals are removed from seawater in marine environments.The order of sorption affinities of transition metals for Na-montmorillonite, treated red clay and hydrated ferric oxide is MnCu.From the distribution coefficients of transition metals for manganese and iron oxides, and silicate minerals, it is inferred that manganese oxides play a more important role than iron oxides and silicate minerals in removing transition metals from seawater and interstitial water in deep-sea environments. |
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