metallothermic reduction

The present and several new reduction process of niobium and tantalum powder were reviewed . The electrochemically reaction mechanism in metallothermic reduction were introduced .

综述了铌粉和钽粉的现行生产工艺及几种新的还原方法，介绍了金属热还原反应中的电化学反应机理。

These methods come down to electrolysis process and metallothermic reduction process .

这些方法可归结为电解法和热还原法两类。

Recovery and utilization of metal chrome dust produced by metallothermic reduction

炉外法金属铬炉尘的回收利用

Abstract Process and tests on recovering chrome oxide in metal chrome dust by metallothermic reduction and then producing metal chrome in Hunan Ferroalloy Works are introduced .

本文介绍了湖南铁合金厂从炉外法冶炼金属铬收尘灰中回收氧化铬、再制取金属铬的工艺及试验情况。