介绍了利用固体电解质进行金属熔体无污染脱氧的技术.分析表明,其实质是氧离子在异相间的可控流动.根据炉渣的电化学特性,探讨了渣-金属间外加电场脱氧的可行性及特点.此外,提出了用固体氧离子膜技术从氧化物、熔渣中回收有价金属的可能性,并讨论了在MgCl2-NdCl3-MgO熔盐电解过程中,以MgO作为主要原料用固体氧离子渗透膜生产金属镁的环保新技术.确认冶金过程的带电粒子控制将是十分有前途的研究领域.
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