评述了几种由氧化钽还原制取钽粉的新工艺。并阐述了不同方法的工艺原理、特点和产品特性。钠还原法反应时间短，还原温度范围广，能过得到高纯度高比表面的钽粉。FFC法具有工艺简单，污染小，成本低的特点，可以用来制备电容器级粉末。SOM法电解速度快，具有很好的发展前景。采用镁蒸汽还原能够得到性能好的钽粉，但是还原时间长，还原装置复杂。
This paper introduces the methods of tantalum powder production technology by reducing Ta2O5 are de- scribed, as well as different methods of principle, features and product quality. The sodium reduction method can obtain high purity, high surface area powder in wide temperature range and short reaction period. The characteristic of FFC process are craftwork simple, non-pollution and low cost and can be applying to make the electrolytic Ta powder. The SOM process can get the great electrolysis speed and has a pleasant future. The process of reduction with gaseous magnesium can preparing high performance tantalum powder, but the reaction list long and need complicated equipments.
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