| 金属铝在冰晶石氧化铝熔液中的溶解度测定 |
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| 引用本文： | 杨振海,高炳亮,邱竹贤.金属铝在冰晶石氧化铝熔液中的溶解度测定[J].东北大学学报(自然科学版),2001,22(1):64-66. |
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| 作者姓名： | 杨振海 高炳亮 邱竹贤 |
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| 作者单位： | 东北大学材料与冶金学院!辽宁沈阳110004;东北大学材料与冶金学院!辽宁沈阳110004;东北大学材料与冶金学院!辽宁沈阳110004 |
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| 基金项目： | 国家自然科学基金资助项目(59974008) |
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| 摘 要： | 研究了金属铝在冰晶石氧化铝熔液中的溶解现象,并通过实验测得铝在通电和不通电两种状态下的溶解度·实验结果表明在通电时铝在冰晶石氧化铝熔液中的溶解度明显减小,认为这是阴极极化所产生的保护作用所致·
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| 关 键 词： | 溶解度 冰晶石氧化铝熔液 阴极保护 |
| 文章编号： | 1005-3026(2001)01-0064-03 |
| 修稿时间： | 2000年5月8日 |
Solubility of Aluminium in Molten Cryolite-Alumina |
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| YANG Zhen-hai,GAO Bing-liang,QIU Zhu-xian.Solubility of Aluminium in Molten Cryolite-Alumina[J].Journal of Northeastern University(Natural Science),2001,22(1):64-66. |
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| Authors: | YANG Zhen-hai GAO Bing-liang QIU Zhu-xian |
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| Abstract: | A study was carried out to investigate the solubility of aluminium in molten cryolite-alumina which is important in aluminium production. The solubility of aluminium was measurated at about 950℃ and the molten electrolyte consists of Na3AlF6(molar ratio=2.15),Al2O3(2.83 mass%) and CaF6(2.83 mass%). In condition of no energizing,the solubility of aluminium was found out about 0.117%. In condition of faint DC(12.5mA),the solubility of aluminium drops to only about 0.095%. It was found that the solubility decreases significantly by addition of faint DC because of the protection effect of cathode polarizing. The phenomena that the concentration of aluminium is so low(＜0.007%)in industry can be explained by present study. |
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| Keywords: | solubility molten cryolite alumina cathode protection |
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