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简要介绍了现行处理硬锌提取锌的工艺及存在问题，论述了用真空蒸馏法处理多元合金硬锌提取锌和富集锗铟的可能住，通过试验确定了硬锌真空蒸馏条件和冷凝条件，研制出适合于处理硬锌的真空炉型，生产实践说明，采用真空技术处理硬锌前景广阔．
The present process and existing problems of zinc extraction from hard zinc are briefly introduced. It is discussed that it is possible to extract zinc and enrich indium germanium by using vacuum distillation. The vacuum distillation conditions and condensation conditions of hard zinc are determined. Developed a vacuum furnace suitable for handling hard zinc, production practice shows that the use of vacuum technology has a bright future prospects of hard zinc.