③ 火法精炼 ( Fire refining )： 在高温下进一步处理熔炼、吹炼所得含有少量 杂质的精金属，以提高其纯度。如熔炼铁矿石得到 的生铁，再氧化精炼成钢。
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... 过精炼 overrefinement 火精炼 fire refining; pyro-refining 金精炼 gold refining; gold-refining ...
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fire refining of copper 铜火法精炼
fire refining of antimony 锑火法精炼
fire refining of crude lead 粗铅火法精炼
preliminary fire refining 预先火法精炼
Fire-refining 火法精炼
the fire-refining 火法精炼
fire-refining copper 火法精炼铜
fire refining of tin 锡火法精炼
copper by fire-refining 铜火法精炼
The experiment results prove that regenerative removal agent could replace normal removal agent in antimony fire refining.
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 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.
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。
This paper introduces the general situation of Waste Copper polluted by lead and the current domestic method for clearing out lead from Waste Copper by Fire-refining.
本文在介绍了杂铜含铅概况，以及目前国内除铅工艺现状。
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