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。
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.
本文介绍了利用氨法处理杂质成分复杂的某大型冶炼厂炼铅系统烟化炉氧化锌烟灰制备高等级氧化锌的工艺。
The paper introduces the ammonia process of producing high-grade zinc oxide from impurities zinc oxide dust which produced by the smoked stoves in a large internal smelter.
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