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- W4254385616 abstract "Experiments have been performed in a mechanically agitated molten metal bath to extract strontium from strontium carbonate by aluminothermic reduction. The molten bath was formed by an excess of molten aluminum reductant with additions of magnesium or bismuth. Magnesium was added to the melt for two reasons: 1) changing the melt chemistry to increase the oxygen affinity and 2) lowering the surface tension. Bismuth was added to lower the surface tension without increasing the oxygen affinity. The experimental conditions were: temperature; 1000 °C, pressure; 1 atm and time; 1 hour. Results showed that with a Mg:Sr molar ratio of 10:1, strontium recovery to the excess aluminium was greater than 50%. Comparison between experiments with magnesium and bitsmuth showed that the chemical effect of magnesium was predominant over the surface tension effect of bismuth or magnesium." @default.
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- W4254385616 date "1991-01-01" @default.
- W4254385616 modified "2023-09-27" @default.
- W4254385616 title "Strontium extraction by aluminothermic reduction" @default.
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- W4254385616 doi "https://doi.org/10.1016/b978-0-08-041444-7.50019-6" @default.
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