火法精炼是指在高温熔化金属的条件下，用各种方法除去粗金属中杂质的精炼过程。根据金属和杂质的不同特性，火法精炼有下列一些方法，如加剂法、熔析法、精馏等。火法精炼主要用于重有色金属和某些轻有色金属的精炼。
试验表明，锑火法精炼中再生除铅剂的除铅效果与普通除铅剂基本相同，可替代普通除铅剂使用。
The experiment results prove that regenerative removal agent could replace normal removal agent in antimony fire refining.
对影响电解银的工艺因素进行了分析，并对高杂质铅阳级泥采用火法冶炼和电解精炼相结合的方法进行处理。
The factors of effect on the techniques of the electrolytic silver were analyzed. The lead 'anode mud were treated with the fire metallurgy and electrolytic refining.
结果表明，在受试样品中以镍精炼烟尘（取自火法处理硫化镍锍的镍精炼厂）的细胞毒性和吞噬活性为最强。
The results showed that both cytotoxicity of and phagocytosis activity to nickel refinery dust (from pyrometallurgical sulfide nickel matte refinery) were the strongest among the tested samples.
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