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Thesis Advisor柯家骏
Degree Grantor中国科学院研究生院
Other AbstractAlumium is one kind of useful nonferrous metal. The production of alumina is an important process of alumium industry. The raw material of alumina almost is the bauxite, such as the diaspore, the gibbsite and boehmite, containing the compositions of silicon, titanium and iron oxides. Abundant bauxite resources are widely dispersed over China, but most of them are diaspore which is difficult to be leached. In order to make efficient use of abundant bauxite resources of China and resolve the problems in those traditional processes, this thesis has developed a new method - the pretreatment of the mixture of Pingguo diaspore and alkali in an alternative electric field and then leaching at normal pressure and room temperature. The purposes of this work are to intensify the reaction of diaspore and alkali by use of an alternative electric field and lighten the bad influence from anatase. In this new method, the pretreatment is proceeded in an open system and the leaching is proceeded at normal pressure and room temperature. it doesn't need high temperature and pressure. So its equipments are simplier. Titanium oxides also doesn't have influence on this process. Through further research and development, it may become a new process for the treatment of Pingguo bauxite and other bauxites which are difficult to be leached.
Document Type学位论文
Recommended Citation
GB/T 7714
王亚军. 一水硬铝石矿交变电场预处理及溶出过程的研究[D]. 中国科学院研究生院,1989.
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一水硬铝石矿交变电场预处理及溶出过程的研(8777KB) 限制开放CC BY-NC-SAApplication Full Text
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