Extraction of Co(II) ions from aqueous solutions with thermally activated dolomite |
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| Authors: | A I Ivanets I L Shashkova N V Kitikova N V Drozdova |
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| Institution: | 1. Institute of General and Inorganic Chemistry, Belarussian Academy of Sciences, ul. Surganova 9/1, Minsk, BY-220072, Belarus
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| Abstract: | It was found that thermal activation of dolomite at 700–900°C may increase the sorption capacity of the samples up to 520 mg g?1. It was shown that the most effective sorbent for Co2+ ions may be obtained by calcination of dolomite at 800°C, which allows under dynamic conditions (20 m h?1) purifi cation of 500 column volumes of an aqueous solution with a Co(II) concentration of 10 mg L?1 to the maximum allowable concentration. |
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