Removal of Antimony from Liquid Copper by Using CuCl-Na_2CO_3 Fluxes at 1423K
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概要
- 論文の詳細を見る
The removal rate of antimony from liquid copper by using CuCl–Na2CO3 fluxes was measured at 1423 K with argon gas atmosphere. The addition of Na2CO3 to CuCl flux was relatively effective for the removal of antimony. The concentration of antimony in liquid copper largely decreased with time or with increasing Na2CO3 content in flux. About 99.8% of antimony was removed from liquid copper during 15 min. The metal weight and oxygen content of metal increased with time and with increasing Na2CO3 content in flux. These behaviors were mainly due to the decomposition of Cu2O formed in flux. The antimony in copper was oxidized.According to the mass balance, about 60% of the removed antimony from liquid copper vaporized from the CuCl–23.8mass%Na2CO3 flux. The chlorination reaction between formed antimony oxide and CuCl might result in the vaporization of antimony from flux.According to the above-mentioned experimental results, the CuCl–Na2CO3 fluxes were effective for the removal and recycling of antimony from liquid copper.
- 社団法人 日本鉄鋼協会の論文
- 2008-01-15
著者
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MATSUURA Hiroyuki
Department of Physics, Niigata University
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TSUKIHASHI Fumitaka
Department of Advanced Materials Science, Graduate School of Frontier Sciences, The University of To
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Matsuura Hiroyuki
Dep. Of Advanced Materials Sci. Graduate School Of Frontier Sciences The Univ. Of Tokyo
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Matsuura Hiroyuki
Department Of Advanced Materials Science Graduate School Of Frontier Sciences The University Of Toky
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Tsukihashi Fumitaka
Department Of Advanced Materials Science Graduate School Of Frontier Sciences The University Of Toky
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Tsukihashi Fumitaka
Department Of Advanced Materials Graduate School Of Frontier Science The University Of Tokyo
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Cui Yang
Department Of Advanced Materials Science Graduate School Of Frontier Sciences The University Of Toky
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Hamano Tasuku
School Of Materials Science And Engineering University Of New South Wales
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Tsukihashi Fumitaka
Graduate School Of Frontier Sciences The Univ. Of Tokyo
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Tsukihashi Fumitaka
Department Of Advanced Materials Science Graduate School Of Frontier Sciences The University Of Toky
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Tsukihashi Fumitaka
Department Of Advanced Material Science The University Of Tokyo
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