报道了锂盐在铝电解中的作用.阐述了其提高熔体的电导率,降低电解质的熔点,减少铝的溶解损失,减小极化电压,降低电解质的蒸气压及延长阴极寿命等优点.提出锂盐与其它添加剂的有机结合,可获得更大经济效益和社会效益的构想.
参考文献
[1] | 邱竹贤.预醅槽炼铝[M].北京:冶金工业出版社,2005 |
[2] | Haupin Warren .Defining bath ratio in the presence of LiF and MgF2[J].Light Metals,1996,219 |
[3] | 格罗泰姆;威尔奇.铝电解厂技术[M].沈阳:轻金属编辑部,1997 |
[4] | 杨振海 .工业铝电解质相关物理化学参数的研究及测定[D].东北大学,2000. |
[5] | Chrenkova M;Danek V;Silny A .Density,electrical conductivity and viscosity of low melting baths for aluminium electrolysis[J].Light Metals,1996,227 |
[6] | 胡开华;邱竹贤.工业铝电解添加碳酸锂的经验和建议[J].轻金属,1999(02):38. |
[7] | Pietrzyk S;Oblakowski R .Electrical conductivity of cryolite electrolytes during the liqiud-solid phase transition[J].Light Metals,2002,231 |
[8] | Fellner R;Midtlyng S .Electrical conductivity of low melting baths for aluminium electrolysis:the system Na3 AlF6Li3 AlF6-AlF3 and the influence of additions of Al2 O3 、CaF2,and MgF2[J].Journal of Applied Electrochemistry,1993,23:78. |
[9] | Grjotheim K;Kvande H;Welch B J .Low-melting baths in aluminium electrolysis[J].Metallurgical Soc AIME,1986,2:417. |
[10] | Beck Theodore R .Production of aluminum with low temperature fluoridemelts[J].Light Metals,1994,417 |
[11] | Fellner R;Hives J;Korenko M .Cathodic overvoltage and the content of sodium and lithium in molten aluminium during electrolysis of cryolite-based melts[J].Electrochimica Acta,2001,46(04):2379. |
[12] | Vujasinovic Ljubomir .Results of an experimental use of LiF in industrial pots (E-14)[J].Light Metals,1990,341 |
[13] | Haarberg G M;Thonstad J;Pietryk S .The role of dissolved metal during electrodeposition of aluminium from cryolite-alumina melts[J].Light Metals,2002,1083 |
[14] | Wang X W;Peterson R D;Richards N E .Dissolved metals in cryolitic melts[J].Light Metals,1990,323 |
[15] | Wendt.铝电解过程中添加锂盐的操作经验[J].轻金属,1986(03):28. |
[16] | Фyvind T G;Terjeψstvold .Effect of LiF on the vapour pressure over cryolite containing melts[J].Light Metals,2001,357 |
[17] | Naas T;Oye H A .Interactions of alkali metal with cathode carbon[J].Light Metals,1999,193 |
[18] | V. Danielik;P. Fellner;J. Thonstad .Content of sodium and lithium in aluminium during electrolysis of cryolite-based melts[J].Journal of Applied Electrochemistry,1998(11):1265-1268. |
[19] | Solheim A;Rolseth S;Skybakmoen E .Liquidus temperature and alumina solubility in the system Na3AlF6-AlF3-LiFCaF2-MgF2[J].Light Metals,1995,451 |
[20] | Peterson R D;Tabereaux A T .Effect of bath additives on aluminium metal purity[J].Metallurgical Soc AIME,1986,2:491. |
[21] | Sadoway;Donald R .Perfluorocarbon (PFC) generation in laboratory-scale aluminum reduction cells[J].Light Metals,1997,159 |
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