采用氧离子导体氧化锆管与还原剂碳、含有电活性物质FeO的熔渣组成电化学体系,利用原电池短路方法从氧化物熔渣中电化学还原得到了无碳金属.实验电池组成为:石墨,[O]Fe-C(saturated)|ZrO2(MgO)|Cu(1)+(FeO)(slag),钼丝.利用电化学分析仪,通过测定外电路电流研究了渣中FeO含量、温度以及外电路电阻对熔渣中FeO电化学还原的影响.结果表明:在实验条件下,温度越高,渣中FeO含量越高,外电路电阻越小,熔渣电化学还原就越快.实际终还原率达95%以上.提出了可控氧流冶金中的一种还原方法,发展了可控氧流冶金理论.
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